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See detailSemantic externalism(s) and cognitive transparency
Leclercq, Bruno ULiege; De Brabanter, Philippe

Conference (2017, September 22)

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See detailNose and Sleep-disordered Breathing
POIRRIER, Anne-Lise ULiege

Conference (2017, September 22)

The nose is the input channel for the airflow. Its rigid and erectile structures determine the outline and the output of the airflow in the upper airway. Nose obstruction, due to reversible or non ... [more ▼]

The nose is the input channel for the airflow. Its rigid and erectile structures determine the outline and the output of the airflow in the upper airway. Nose obstruction, due to reversible or non reversible factors, produces collapsing forces that are manifest downstream in the collapsible pharynx. Moreover, nose pathologies result in unstable oral breathing, decreased activation of nasal-ventilatory reflex and reduced lung nitric oxide. Long-term oral breathing impacts on the craniofacial growth. The management of nose pathologies coud be medical, mechanical (nose dilators) or surgical. Nasal management should be integrated in a multimodal approach, considering the involvement of a multi-level obstruction, and truly reflecting the complexity of sleep disordered breathing. [less ▲]

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See detailTowards a covering aerospray method for quantitative analyses of pharmaceutical tablets using surface-enhanced Raman chemical imaging (SER-CI)
Cailletaud, Johan ULiege; De Bleye, Charlotte ULiege; Dumont, Elodie ULiege et al

Conference (2017, September 22)

In recent years, the use of SERS-CI in pharmaceutical sciences has increased in order to study the distribution of low-dose compounds in solid dosage forms [1]. This technique allows to improve the ... [more ▼]

In recent years, the use of SERS-CI in pharmaceutical sciences has increased in order to study the distribution of low-dose compounds in solid dosage forms [1]. This technique allows to improve the sensitivity of conventional Raman microscopy and to reduce significantly the image acquisition time by exalting the signal information. However, the applications of SERS-CI in the pharmaceutical field remain limited, especially due to the difficulty of obtaining a homogeneous deposit of metallic nanoparticles on the sample surface. Generally, the covering method used on the tablet is a drop casting deposition due to its simplicity and rapidity of implementation. Despite the colloidal solution deposit is not fully controlled. The inhomogeneous covering is the result of the “coffee-ring” effect that concentrates the nanoparticles at the edges of the droplet [2]. This implies remarkable variations of the SERS analyte signal’s intensity at different places. For a more reproducible and homogeneous coating, an aerospray method using a homemade apparatus was developed (Figure 1). The device is composed with a pair of coaxial tubes, the colloidal solution is pulled through the inner tube from a syringe pump and the outer tube is connected to a source of high pressure gas. Nitrogen, used as a nebulizing gas, creates a flow of small droplets of nanoparticles that are nearly dry when they hit the sample surface. The aerospray device is easy to implement and the entire surface of the tablet is covered by the SERS substrate in a homogeneous way. By using this covering method, the potential of SERS-CI is improved and making it a suitable technique for quantitative analyses of low drug concentrations or impurities in pharmaceutical tablets. [less ▲]

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See detailQuelques pistes pour relancer la foresterie sociale et la participation en Afrique centrale
Vermeulen, Cédric ULiege

Conference (2017, September 21)

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See detailThe Landscape And Evolution Of Somatic Mutations In Bovine Leukemia Virus Induced Tumors
Durkin, Keith ULiege; Artesi, Maria ULiege; Hahaut, Vincent ULiege et al

Conference (2017, September 21)

Bovine Leukemia Virus (BLV) is a deltaretrovirus that integrates into B-cells producing a lifelong infection in cattle. Like its close relative Human T-cell leukemia virus-1 (HTLV-1), BLV induces an ... [more ▼]

Bovine Leukemia Virus (BLV) is a deltaretrovirus that integrates into B-cells producing a lifelong infection in cattle. Like its close relative Human T-cell leukemia virus-1 (HTLV-1), BLV induces an aggressive leukemia/lymphoma in about ~5% of infected individuals. While not a natural host it is possible to infect sheep with BLV and in contrast to cattle, all infected sheep develop tumors at an accelerated rate (~18 months). Historically research into both viruses has primarily focused on their transcripts/proteins. However secondary somatic events are likely to be important as only a subset of infected individuals, following many decades of infection, develop a tumor. At the current time little is known about the landscape of somatic changes in BLV induced tumors and the timing of their occurrence. To address this we have carried out whole genome sequencing of BLV induced tumors from two cattle, and from five sheep with matched normal tissue. This revealed frequent aneuploidy, with orthologous regions of the genome involved in both species and elevated mitochondria DNA copy numbers in tumors. Recurrent structural variants (SVs) were seen affecting the tumor suppressors CDKN2A and ARID1A, both on OAR2. On average ~1400 somatic SNVs were observed in each ovine tumor, with high/moderate impact variants in known cancer drivers genes such as KMT2A, ATRX, RPL22 and KRAS. The five sheep were also sampled at regular time points, prior to leukemia onset, allowing us to examine tumor clone evolution. High throughput sequencing of proviral integration sites showed that the tumor clone represents only a small fraction of the infected cells for the majority of the disease, only expanding rapidly in the terminal stages. Low coverage sequencing of samples prior to tumor development indicates that aneuploidy of OAR9 is a feature of the majority of BLV infected clones. Preliminary nested PCR also showed that many SVs were present prior to tumor development. High throughput approaches are being developed to track both SVs and SNV in the preleukemic stages of the disease. [less ▲]

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See detailHealing effect of controlled anti-electromigration on conventional and high-Tc superconducting nanowires
Baumans, Xavier ULiege; Lombardo, Joseph ULiege; Brisbois, Jérémy ULiege et al

Conference (2017, September 21)

At the present time, electron beam lithography (EBL) is considered as the reference technique for nanoscale patterning. However, making nanostructures below the sub-10 nm scale is still challenging due to ... [more ▼]

At the present time, electron beam lithography (EBL) is considered as the reference technique for nanoscale patterning. However, making nanostructures below the sub-10 nm scale is still challenging due to broadening effects (forward electron scattering, backscattering, electrostatic charging…), and requires strong investment in terms of cost for state-of-the-art EBL systems. In this sense, alternative methods are continuously explored in order to make such nanofabrication easily reachable. A promising approach consists of inducing atomic diffusion by a large current density. This phenomenon, called electromigration (EM), and well known since the 60’s as a failure mechanism in metallic interconnections [1], still attracts interests from scientists and engineers for its great potential for fabrication of microstructures and for its reversibility character [2, 3]. In this work, we show that the combination of electromigration and anti-electromigration allows the precise tuning of superconducting properties of Al nanoconstrictions and we also observe the reversibility of electromigration failure for this material (see Fig. 1). The same process has been applied on Nb, leading to a more irreversible process, and La2 xCexCuO4. For the latter material, we show that selective migration of oxygen atoms and the consequent doping modification induces a transition from a superconducting state to an insulating state in a reversible way [4]. We also discussed the possibility to enhance the electromigration technique by replacing the complex feedback control by a technique of electropulsing. These researches have direct practical impact as a method to explore the dependence of the characteristic parameters on the exact oxygen content and pave the way for a reversible control of local properties of nanowires. [less ▲]

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See detailFacultative paedomorphosis in pond-breeding newts
Denoël, Mathieu ULiege

Conference (2017, September 21)

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See detail“Flippons nos classes de FLE !" : Le modèle de classe inversée adopté à l’université de Liège pour l’enseignement/apprentissage du FLE
Thonard, Audrey ULiege

Conference (2017, September 21)

Dix ans après la création d’un premier dispositif d’apprentissage en ligne, l’Institut Supérieur des Langues Vivantes a souhaité revoir son intégration du numérique dans les cours de FLE destiné aux ... [more ▼]

Dix ans après la création d’un premier dispositif d’apprentissage en ligne, l’Institut Supérieur des Langues Vivantes a souhaité revoir son intégration du numérique dans les cours de FLE destiné aux étudiants Erasmus « in ». Dans cette communication, nous présenterons les contraintes et les opportunités qui ont modifié, lentement mais sûrement, notre conception de l’enseignement en ligne et celle de la classe inversée. [less ▲]

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See detailDesigning MOOCs videos - A prompt for teachers and advisers' pedagogical development?
Van de Poël, Jean-François ULiege; Martin, Pierre ULiege; Harcq, Samuel ULiege et al

Conference (2017, September 21)

The use of online video is not new in education but it undergoes a new momentum. What is new is not the medium but its scale of deployment and availability (Van Gog, 2013). MOOCs have played their part in ... [more ▼]

The use of online video is not new in education but it undergoes a new momentum. What is new is not the medium but its scale of deployment and availability (Van Gog, 2013). MOOCs have played their part in this rise since these new modes of online learning deliver learning through a series of (short) videos. Both for teachers and Teaching & Learning Centers, like IFRES at the University of Liège, designing, shooting, editing, ornamenting, and locating such videos in the instructional design of a MOOC is a challenge. This presentation documents how this challenge was experienced on both sides. As for staff trainers, MOOCs imply the implementation of a particular technical infrastructure and pedagogical engineering. At the University of Liège, it also demanded to grapple with a corpus of new concerns such as: - Appropriate lengths of instructional videos (Guo, Kim, Rubin, 2014); - Cognitive load theory applied to multimedia components (Cooper, 1990; Barrett, 2006; Sweller, 2011) - Quality principles in instructional multimedia (Mayer, 2005) - Pedagogic strategies for the use of video (Zhang 2006; Hibbert; 2014, Thomson, Bridgstock, & Willems, 2014) - Inventories of videos styles in order to go beyond the seamless shot of teachers in front of blackboards or slideshows (Hansch, Newman, Hiller, Schildauer, Mc Conachie, & Schmidt, 2015; Van de Poël, Martin, & Verpoorten, 2015) Afterwards, an extra effort had to be made to convert these resources into a series of conceptual tools (storyboard framework, grid of qualitative criteria, etc.) usable by average teachers to their writing of the video sequences. The presentation will describe these processes intended to a) securing the video production of three MOOCs in a tight timeframe (institutional requirement) and b) fostering the pedagogical development of the involved teachers (“raison d’être” of a Teaching & Learning Center). As for teachers, the presentation will provide a report of the difficulties and surprises teachers came across when designing efficient videos. Some of these cognitive discrepancies suggest that the making of instructional videos calls for a different set of skills than those required for classroom teaching. Sometimes MOOCs instructors wrongly believed that they could translate their offline teaching experience to an online environment without much preparation and pedagogical novelty (Hansh & al., 2015). Lessons learnt show that it is critical for the writing process of the first video sequences to be an object of great care by the faculty support team. During this process, it is important that each comment, suggestion or decision be systematically explained to the teachers in order to create new beacons and tenets. A questionnaire survey of 10 participant teachers, coupled with 3 in-depth interviews conducted according to an appreciative mode of inquiry (Cockell & McArthur-Blair, 2012) will be administered. Protocol analyses will be applied on the interviews data in order to ascertain to what extent the making of MOOCs videos conveyed opportunities for pedagogical development. The presentation will report on the results. [less ▲]

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See detailNon-classical structures and association of the OXPHOS complexes in Euglena gracilis and Polytomella sp.
Miranda Astudillo, Héctor Vicente ULiege; Yadav, Sathish; Colina-Tenorio, Lilia et al

Conference (2017, September 21)

To date, the idea that the OXPHOS complexes can associate with each other in larger structures named supercomplexes [1] is generally accepted. This association can allow a more efficient transport of ... [more ▼]

To date, the idea that the OXPHOS complexes can associate with each other in larger structures named supercomplexes [1] is generally accepted. This association can allow a more efficient transport of electrons to minimize the generation of reactive oxygen species during electron transfer reactions and can also be involved in the regulation of the mitochondrial metabolism in response to different stimuli, carbon sources or stress conditions. Recently, the arising studies outside the classical models yeast and bovine mitochondria brought to light many unusual characteristics in the ATP synthase from a wide variety of organisms. Due to this, the dimer nature of the mitochondrial ATP synthase is no longer a matter of debate. Given the large structural differences among the peripheral stator and dimerization modules of mitochondrial ATP synthases described so far, it is of relevance to study a wider number of species to gain insight into the structural diversity of their OXPHOS complexes. Recently, our group showed that at least 41 of the non-canonical subunits reported in trypanosomes are also present in Euglena complexes along with 48 classical subunits described in other eukaryotes including green plants [2]. Further purification of the complexes I, III, IV and V by liquid chromatography after solubilization with n-β-dodecyl-maltoside and the subsequent analysis by single-particle analysis from transmission electron microscopy revealed some unusual features in Euglena respiratory complexes. In the case of complex V the structures of both the catalytic and central rotor parts are conserved while other structural features are original, including a large membrane-spanning region joining the monomers, an external peripheral stalk and a structure that goes through the membrane and reaches the inter membrane space below the c-ring [3]. Complex I also shows an unusually long matricial arm. Complex IV shows an atypical shape compared to that of the bovine one. An unusual association between complexes I and V can be observed when the membranes are extracted with the mild detergent digitonin. Other case of atypical subunit composition is the complex V of chlorophycean algae. Each monomer of the enzyme has 17 polypeptides, eight of which are the conserved, main functional components, and nine polypeptides (Asa1 to Asa9) unique to this lineage that form the robust peripheral stalk in this complex [4]. This complex presents highly stable dimeric and tetrameric structures, and the respiratory complexes have an unusual capacity to reassociate in vitro and restore the functional respirasome. [less ▲]

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See detailContinuing education with MOOCs. The case of children’s literature in French-speaking world
Dozo, Björn-Olav ULiege; Van de Poël, Jean-François ULiege; Centi, Valérie et al

Conference (2017, September 21)

1. Introduction Continuing education poses a challenge to the university: the objective is to allow professionals on the job market to enhance their competences through curricula adapted to their needs ... [more ▼]

1. Introduction Continuing education poses a challenge to the university: the objective is to allow professionals on the job market to enhance their competences through curricula adapted to their needs, both in terms of schedule and contents as well as teaching approaches applied. In its MOOCs policy, the University of Liège has identified this priority axis precisely to meet this requirement of schedule, contents and teaching approach. Already taught at the ULg, children's literature offered a perfect option for its pilot project. Popular culture studies are already one of the specificities of the Arts faculty program, and the University thought important to allow for a wider access to this teaching, responding to a growing interest from the civil society. 2. Problem description / challenges Up to now, there were, in French-speaking Belgium, only very few training opportunities on children's literature, based on cutting-edge scientific research, aimed at future or already established teachers. Although children's literature is one of the subject areas taught in secondary schools in French-speaking Belgium, it is not compulsory in the curriculum of aspiring French teachers at higher education institutions (whether universities or hautes écoles). Teaching children's literature thus depends on the teacher's good will: hence the importance of finding a way to train teachers in a subject area they have to teach to secondary school students by putting forward a large-scale but cost controlled solution, open to anyone looking for this specific training, and offering a certificate with a professional value. It was also important for the university to propose an innovative teaching format distinct from the practices generally in force and especially adapted to the adult-learning in terms of pedagogical approach (Thorpe,Edwards,Hanson, 1993). 3. MOOC Format Choosing the MOOC format was an important challenge: on the production level, above all, given the relative inexperience of the teaching staff, supported by a team of instructional designers and a production staff with experience in the creation of online contents for the University's online education platform; but also on the reception level, given that the expected audience is not particularly in line with digital technologies: MOOCs on literature are not the most common ones, and bookish readers are not known to be new technology buffs. The MOOC offers a selection of topics related to the field of children's literature, each under the responsibility of one team member, generally supported by experts. The MOOC tackles two main genres, the novel and the album, presents the publishing market, elaborates on digital literature and explores fictions beyond the book; it includes videos, quizzes, integrative activities, and feedback through forums. Each chapter of our MOOC adopts a modular and autonomous approach. These two characteristics allow learners to follow the MOOC according to their own needs or simply their interests. 4. Initial success The first session, in early March 2017, was a success, with more than 10000 subscribers, quite above the average for MOOCs in French. This is, for many subscribers, their first MOOC experience. Moreover, the motivation and investment of the community is remarkable: the forums are very active, the learners an-swer to and help each other. The feedback is extremely positive, showing a general willingness to partici-pate in the construction of collective knowledge useful for everyone. The information collected from participants is also an early success indicator in terms of population target. 5. Shaping Up for the Future Given this initial success, and in order to enhance this in-depth continued training, the teaching staff is envisioning for next year to develop a summer school linked to the MOOC and implement a blended learning element to our MOOC. The participants would first have to follow the MOOC and complete the required activities, in order to be granted certification. Afterwards, a limited number of these participants (probably around fifty) will be selected based on applications to participate in person to a course that would expand on the introduction to the subject offered by the MOOC. This training would highly benefit from the exceptional resources that the city of Liège holds for children's literature: the Michel Defourny archive, holding more than 30000 pieces, is indeed a unique site in Europe which deserves a better valorization from the University. [less ▲]

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See detailLegitimating innovation by foreign traditions: the case of the Roman Republican divination
Berthelet, Yann ULiege

Conference (2017, September 20)

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See detailThe Vedic Consecration and the Birth of the Hero in Sanskrit Epic
Swennen, Philippe ULiege

Conference (2017, September 20)

When they give birth to these heros, Arjuna's mother and Râma's mother are both compared to the Vedic goddess Aditi. This suggests that the author of the Mahâbhârata was comparing Arjuna to a Vedic ... [more ▼]

When they give birth to these heros, Arjuna's mother and Râma's mother are both compared to the Vedic goddess Aditi. This suggests that the author of the Mahâbhârata was comparing Arjuna to a Vedic sacrificer, which was perfectly clear for the author of the Râmâyana inspired by the Mahâbhârata. [less ▲]

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See detailÉmile de LAVELEYE (1822-1892) et le « bon » gouvernement
Grandjean, Geoffrey ULiege

Conference (2017, September 20)

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See detailWP1 - A summary
Sanchez, Christelle ULiege

Conference (2017, September 20)

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See detailRegional scale simulation of the forest resources evolution in Southern Belgium (Wallonia)
Perin, Jérôme ULiege; Lejeune, Philippe ULiege; Hebert, Jacques ULiege

Conference (2017, September 20)

The availability of forest resources is directly affected by forest composition and structure changes that can regularly occur in the context of intensive silviculture and plantation of fast-growing tree ... [more ▼]

The availability of forest resources is directly affected by forest composition and structure changes that can regularly occur in the context of intensive silviculture and plantation of fast-growing tree species. Since 2000, the total area covered by Norway spruce plantations has decreased by an estimated 25% in Southern Belgium (Wallonia), which is especially worrying as they yield almost half of the total timber volume of the region. In order to predict the evolution of our forest resources, we first used aerial photographic interpretation to update the data of the permanent regional inventory and provide a more accurate assessment of the current resources of Wallonia. We then developed harmonized distance independent growth and management models for the three most planted softwood species of Wallonia : Norway spruce (Picea abies), Douglas-fir (Pseudotsuga menziensii) and larches (Larix sp.). These models were then implemented in a simulation software that can operate at a regional scale. This presentation introduces our methodology, the operating of our simulator, our current progress to adapt it for other stand structures and compositions and examples of carried out simulations. [less ▲]

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See detailThe Cassini-Huygens mission: tale of a 13-year journey in the Saturnian system
Palmaerts, Benjamin ULiege

Conference (2017, September 19)

On the 15th of September 2017, the Cassini spacecraft will plunge into the atmosphere of Saturn, making the end of the successful Cassini-Huygens mission. During this unprecedented mission, Cassini will ... [more ▼]

On the 15th of September 2017, the Cassini spacecraft will plunge into the atmosphere of Saturn, making the end of the successful Cassini-Huygens mission. During this unprecedented mission, Cassini will have spent 13 years around Saturn, achieving almost 300 orbits around the planet and continuously collecting observations of Saturn, its rings, moons and space environment. In this talk, after a short introduction about the genesis of the Cassini mission, I will give a review of all the important results of the mission. The dynamics of Saturn's atmosphere and magnetosphere will be discussed, as well as the discoveries about the evolution of the rings. An important part of the presentation will be also devoted to the moons Titan and Enceladus which both exhibit striking characteristics. [less ▲]

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See detailIdentification and quantitation of intact virus-like particles of human papillomavirus (HPV-VLP) using capillary electrophoresis
Bettonville, Virginie ULiege; Nicol, Jérôme; Furst, Tania et al

Conference (2017, September 19)

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See detailChildren motor skills competencies in Wallonia: descriptive data and testing battery discrimination analysis
Jidovtseff, Boris ULiege; Vandeloise, Vérane; De Sousa Morgado, Liliane ULiege et al

Conference (2017, September 16)

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See detailFatigue resistant designs using stress-based topology optimization
Collet, Maxime ULiege; Bauduin, Simon ULiege; Fernandez Sanchez, Eduardo Felipe ULiege et al

Conference (2017, September 15)

Fatigue is an important mode of failure in mechanical engineering and accounting for it as soon as the early stage of design using topology optimization sounds primordial. Structures undergoing high-cycle ... [more ▼]

Fatigue is an important mode of failure in mechanical engineering and accounting for it as soon as the early stage of design using topology optimization sounds primordial. Structures undergoing high-cycle fatigue can be described by the stress-based approach and then a stress-based topology optimization framework, which has received great interest since almost 20 years because of the innovative designs that can be achieved to answer strength requirements, can be used. Literature reports many good results for shape optimization [Mrzyglod & Zielinsky(2006)] whereas in the eld of topology optimization several authors have shown that considering fatigue in an optimization framework leads to more relevant solutions where fluctuating loads are involved [Holmberg E.(2015), Collet et al(2016), Sv ard(2015)]. The good behaviour of the implementation of an advanced fatigue criterion, i.e. the multiaxial Dang Van criterion [Dang Van et al(1989)] is first investigated in the framework of a density-based topology optimization problem. The choice of this fatigue criterion is justifed by its good applicability in automotive or aeronautic industry as well as its relevancy with respect to experimental results. We present the sensitivity analysis with stress constraints and present some classical benchmarks to illustrate the behaviour of the optimized solution. In a second time, the fatigue resistance is introduced in the well-known microstructural design [Sigmund (2000)] also know as architectured material design which are now considered in mechanical engineering because of their manufacturability thanks to additive manufacturing processes. Ensuring the fatigue resistance of the cellular material will by extension ensure the structural integrity of the overall structure itself. The optimization is performed by using the MMA optimizer [Svanberg(1987)] whereas the singularity phenomenon of the stress constraints is circumvented by using the qp-relaxation [Bruggi(2008)]. Both types of optimization framework are evaluated in term of their numerical performances and are compared to classical results generated by a regular stress-based topology optimization. Finally, the results are 3D-printed to assess for their manufacturability. [less ▲]

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See detailCoronagraphy and Interferometry: Imaging the sky at high contrast and high-angular resolution
Defrere, Denis ULiege; Absil, Olivier ULiege

Conference (2017, September 15)

Short overview of the main activities related to exoplanet imaging at the STAR Institute

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See detailRuralité et mondialisation dans l'oeuvre de Josef Winkler
Neelsen, Sarah ULiege

Conference (2017, September 15)

Une œuvre à ce point enracinée dans le paysage, la culture et la langue de l’Autriche semblait peu propice à intégrer les bouleversements de l’ordre mondial après 1989 et son auteur bel et bien enfermé ... [more ▼]

Une œuvre à ce point enracinée dans le paysage, la culture et la langue de l’Autriche semblait peu propice à intégrer les bouleversements de l’ordre mondial après 1989 et son auteur bel et bien enfermé dans une certaine tradition nationale. Pourtant à partir de 1996, les récits de voyage, journaux intimes et romans sur l'Inde se multiplient. La mondialisation semble donc bien avoir eu un impact profond sur son travail et l'étude approfondie du roman Roppongi montre comment se construisent des effets de résonance entre rituels funéraires hindous et catholiques. Cette communication analyse les différences entre interculturalité et mondialisation, lieux et non-lieux et conclut sur la tension entre la mobilité des corps et l'obsession de l'image fixe. [less ▲]

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See detailIdentification of Signaling Pathways Regulating Beta Cell Regeneration in Zebrafish
Massoz, Laura; Bergemann, David ULiege; Lavergne, Arnaud ULiege et al

Conference (2017, September 15)

Diabetes is becoming a leading health issue worldwide. It occurs under insulin resistance/deficiency and when insulin-producing pancreatic beta-cell mass is dramatically reduced. Besides therapeutic ... [more ▼]

Diabetes is becoming a leading health issue worldwide. It occurs under insulin resistance/deficiency and when insulin-producing pancreatic beta-cell mass is dramatically reduced. Besides therapeutic strategies to preserve beta-cell mass and function and improve insulin treatments, beta-cell replacement constitutes a promising alternative to replenish the pancreas with functional beta-cells. Beta-cell neogenesis can be achieved from different pancreatic cell types leading to the hope that triggering regeneration could be harnessed in future therapies. Still, mammals show limited regenerative capabilities, making difficult the study of these mechanisms. In contrast, zebrafish is extensively used for regeneration studies notably of beta-cells. We recently showed that the adult zebrafish ducts display characteristics of embryonic pancreatic progenitors that give rise to beta-cells in physiological and induced diabetic condition*. To better understand the molecular mechanisms underlying this potential, genes and signaling pathways regulated in the zebrafish pancreatic ducts after beta-cell ablation have been identified by transcriptomic profiling. For functional studies, we have developed an assay using 7-20 days old larvae to investigate the role of selected candidate pathways in beta-cell regeneration with pharmacological inhibitors/activators and by transgenic overexpression of candidate signaling factors. These results should provide new hints to help improve regenerative competences in mammals. [less ▲]

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See detailPublic spaces, Mediation, and Scales of Visibility : the case of the representation of rural workers in post-Mao China
Florence, Eric ULiege

Conference (2017, September 15)

Woven into complex social, political and cultural fields, migrants’ experiences and narrations of mobility and of how they fare outside their hometown, of how they are more or less successful in their ... [more ▼]

Woven into complex social, political and cultural fields, migrants’ experiences and narrations of mobility and of how they fare outside their hometown, of how they are more or less successful in their attempts to negociate social hierarchies and the formation of their identities often closely articulate with major social norms and values, as well as with processes of state formation. In this contribution, I argue that in studying how migrants’ agency are at once enabling and shaped by structural forces there is a need to focus on processes of “mediation” as these processes enable to think seriously the relationship between institutions/organisations , people and meanings . Focusing on processes of mediation enables to deal with how people’s subjectivities and agency are shaped in complex and never totalizing ways by the very institutions (medias) through which they mediate their experiences. By documenting specifically how migrant workers in post-Mao China mediate their experiences of social hierarchies and social mobility via their engagement with a specific form of media (popular literature), I stress the relevance of intertextuality, of the notion of “genre” (Bakhtin), of “publics” and draw from Roseberry’s use of “hegemonic frameworks” for whom hegemony is helfpful to study “the ways in which the words, images, symbols, forms, organizations, institutions, and movements used by subordinate populations to talk about, understand, confront, accommodate themselves to, or resist their domination are shaped by the process of domination itself”. For Roseberry, “What hegemony constructs, then is not a shared ideology, but a common material and meaningful framework for living through, talking about, and acting upon social orders characterized by domination”. According to this approach, establishing such a framework rests on “prescribed forms of procedures” or “prescribed forms for expressing both acceptance and discontent”, as well as anger, disillusion, aspirations, desires, etc. (Roseberry, 1994, p. 360-361). [less ▲]

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See detailHow classroom teachers do take the ‘Physical Activity Pauses at School’ (PAPS)? A project implemented in Wallonia
Cloes, Marc ULiege; Cloes, Stéphanie

Conference (2017, September 15)

In Wallonia, special efforts are needed in order to respect the international recommendations on physical activity in youth. School is definitely considered as a central pillar in the promotion of an ... [more ▼]

In Wallonia, special efforts are needed in order to respect the international recommendations on physical activity in youth. School is definitely considered as a central pillar in the promotion of an active lifestyle. The aim of this study was to analyze the implementation process of daily activity breaks called ‘Physical Activity Pause at School’ (PAPS) in 6 primary schools of the Liege area. 23 classroom teachers were involved. They had to propose at least one PAPS/day during the 15-16 school year. Diary, questionnaires, focus groups and interviews were used for data collecting. Two thirds of the subjects continued until the end. The videos were not systematically used. Four teachers’ profiles were identified: Innovators, Invested, Careful, and Disengaged. 12 factors facilitating or limitating the involvement of the teachers have been analyzed. The study comes to a model of concrete actions to respect in order to increase the chances of success in the implementation of such project. [less ▲]

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See detailThe artistic patronage of Cardinal Charles II de Bourbon (1433-1488)
Laruelle, Anne-Sophie ULiege

Conference (2017, September 14)

As one of the most important political and religious figures of the mid-fifteenth century, Charles II de Bourbon (1433-1488) has not received the attention he deserves. Charles, archbishop of Lyon (1446 ... [more ▼]

As one of the most important political and religious figures of the mid-fifteenth century, Charles II de Bourbon (1433-1488) has not received the attention he deserves. Charles, archbishop of Lyon (1446), was made cardinal by the pope Sixtus IV in 1476. He was also an important courtier, and a confidant of King Louis XI of France, to whom he was related by marriage. Charles was present at the interview of Kings Louis XI and Edward IV of England in 1475 and in the signature of the peace treaty concluded between them, which formally ended the Hundred Years’ War. Among other posts, Charles held the governorship of Paris and was the head of the King’s Council. Grandson of John the Fearless and cousin to Charles the Bold, he also bore numerous connections with the Burgundian Court and the Southern Netherlands. This paper aims at re-appreciating the artistic patronage of the wealthy cardinal, in spite of the difficulties raised by the paucity of surviving artworks he commissioned. Charles was indeed an important patron, who founded a splendid funerary chapel in Lyon Cathedral, and had the archiepiscopal palace of Lyon built. The cardinal owned a lot of exceptional manuscripts, sculptures and tapestries. Due to his position, Charles may have influenced tastes of Louis XI for the arts, but also the future king Charles VIII’s (Charles de Bourbon was, along with Joan of Valois, Duchess of Bourbon and Edward of Westminster, godparent of the dauphin in 1470).Particular attention will be paid to his collection of tapestries, which have never received detailed analysis. Charles II de Bourbon’s arms (motto, initials, and his device of a flaming sword) appear on only three pieces today: “The Adoration of the Magi”, “The Three Coronations” (both preserved in Sens cathedral), and a scene from the “Story of Hercules” (Mobilier National, Paris). Woven with extremely high quality, probably in the Southern Netherlands, the cardinal’s tapestries are undoubtedly among the finest and most expensive pieces of the 15th century. [less ▲]

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See detailFrom one crisis (1929) to another (2008) : discussion of some critical issues in the framework of a long-term political economy of punishment
Vanneste, Charlotte ULiege

Conference (2017, September 14)

The wide angle adopted for our long-term analysis of Belgian data allows us to place in perspective two crucial moments of economic history, the two financial crises of 1929 and 2008. Economists have ... [more ▼]

The wide angle adopted for our long-term analysis of Belgian data allows us to place in perspective two crucial moments of economic history, the two financial crises of 1929 and 2008. Economists have established several parallels between these two historical periods and our long-term approach provides an opportunity to examine their respective impacts in terms of punishment. Notwithstanding the short hindsight for the second crisis, key issues are emerging from the analysis of both discourses and statistical (national and international) indicators, both in the socioeconomic and political spheres and in the penal field. Could the recent crisis and its consequences predict that we are at a threshold in terms of the use of punishment? Which ‘ingredients’ are at stake in the possible future trends? We propose to explore these questions in light of some available data. [less ▲]

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See detailLes documents d'urbanisme. Vers quel typologies de représentation sous le paradigme du BIM ?
Boutemadja, Abdelkader ULiege

Conference (2017, September 14)

Sous le nouveau paradigme du BIM et du SIG 3D, quel typologies de représentation graphique doivent adopter les documents d'urbanisme. Il s'agit d'une reflexion qui donne à entrevoir les possibilités de ... [more ▼]

Sous le nouveau paradigme du BIM et du SIG 3D, quel typologies de représentation graphique doivent adopter les documents d'urbanisme. Il s'agit d'une reflexion qui donne à entrevoir les possibilités de représentation qu'offrent les nouvelles technologies. [less ▲]

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See detailModélisation des mécanismes psychologiques du processus de radicalisation
Garcet, Serge ULiege

Conference (2017, September 14)

Detailed reference viewed: 84 (6 ULiège)
See detailDevelopment of SERS nanosensors for the detection of small bioactive molecules by cellular analysis in complex matrices: Application to dopamine
Dumont, Elodie ULiege; De Bleye, Charlotte ULiege; Cailletaud, Johan ULiege et al

Conference (2017, September 13)

This communication reports the different steps undertaken in order to develop a new Surface-Enhanced Raman Scattering (SERS) nanosensor for the quantification of dopamine in the culture medium of PC-12 ... [more ▼]

This communication reports the different steps undertaken in order to develop a new Surface-Enhanced Raman Scattering (SERS) nanosensor for the quantification of dopamine in the culture medium of PC-12 cells. First, the synthesis of the SERS substrate, gold nanoparticles, and its characterization. Then the development of the method with the help of a design of experiments and the demonstration of the specificity of the method over other structurally related catecholamines. And finally, the implementation of the method on the culture medium of PC-12 cells, on an HEPES buffer having served to wash the cells and on the PC-12 cells. [less ▲]

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See detailHow to distinguish between nouns and classifiers in Binominal Naming Constructions? Answers from two Western Amazonian languages
Van linden, An ULiege; Rose, Françoise

Conference (2017, September 13)

Western Amazonian languages stand out in showing classifiers that – in addition to the well-established classifier environments – also appear as derivational devices on nouns (Payne 1987; Aikhenvald 2000 ... [more ▼]

Western Amazonian languages stand out in showing classifiers that – in addition to the well-established classifier environments – also appear as derivational devices on nouns (Payne 1987; Aikhenvald 2000; Seifart & Payne 2007). Since classifiers are commonly assumed to originate in nouns (Aikhenvald 2000), classifier languages confront us with an analytical problem in the domain of Binominal Naming Constructions (BNCs), i.e. how to distinguish between the derivational use of classifiers on nouns (1)-(2) and noun-noun compounds (3)-(4). The present paper addresses this problem on the basis of primary data collected on Harakmbut (isolate, Peru), e.g. (1) and (3), and Mojeño Trinitario (Arawak, Bolivia), e.g. (2) and (4), two unrelated (and not in contact) Western Amazonian languages. While Mojeño Trinitario will be shown to be a multiple classifier language with an extensive set of classifiers, Harakmbut turns out to show (a small set of) classifiers only, in fewer environments. Yet, both languages will appear to behave strikingly similarly in the domain of BNCs. (1) classifier-derived nouns in Harakmbut a) siro-pi metal-CLF:stick ‘knife’ (cf. Hart 1963: 1) b) siro-pu’ metal-CLF:cylindrical;hollow ‘metal tube’ (cf. Hart 1963: 1) (2) classifier-derived nouns in Mojeño Trinitario a) yuk(u)-pi fire-CLF:long;flexible ‘candle’ b) wray(u)-'a chicken-CLF:oval ‘chicken egg’ (3) noun-noun compounds in Harakmbut a) ndumba-kuwa forest-dog ‘bush dog’ (Helberg 1984: 252; Tripp 1995: 194) b) äwït-ku giant.otter-head ‘giant otter’s head; person with giant otter’s head’ (4) noun-noun compounds in Mojeño Trinitario a) mari-chóchoku stone-river.bank ‘stony riverbank’ b) paku-miro dog-face ‘dog’s face; person with dog’s face’ In this paper, we will discuss how noun-classifier derivation compares to noun-noun compounding at the phonological, prosodic, semantic and syntactic levels in both Harakmbut and Mojeño Trinitario. For example, noun-noun compounds consist of clear “Thing-roots” (Haspelmath 2012) in both languages, with one element being the morphosyntactic and semantic head. In noun-CLF formations, however, classifiers do not really denote a “thing”, but rather a shape or quality; they do not contain a head. As a factor bearing on this analytical problem, we will show that in both languages the noun/classifier distinction is blurred by the fact that there is a class of nouns that share many features with the canonical classifiers. In both languages, these nouns refer to parts of entities, such as bodyparts, cf. (3b) and (4b), or plant parts. Morphologically, these are bound roots, which require affixation to obtain independent nominal status, specifically possessor prefixes in Mojeño Trinitario and (semantically empty) nominalizing prefixes in Harakmbut. Interestingly, in both languages such N-N compounds as (3b) and (4b) can be used as endocentric compounds in their literal sense, but they can also be used exocentrically to refer to a person whose (physical) characteristics resemble those of the referent of the endocentric compound. In Mojeño Trinitario, such exocentric uses take determiners for human referents, whereas neither component noun refers to a human entity (Harakmbut lacks any formal indication for such uses). More generally, we will examine to what extent these bound nouns can be analysed as incipient classifiers, and formulate diachronic hypotheses informed by our analysis of BNCs. [less ▲]

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See detailSampling only 10 μL of whole blood to study the bioavailability of itraconazole formulations in rats
Kok, Miranda ULiege; Thiry, Justine ULiege; Evrard, Brigitte ULiege et al

Conference (2017, September 12)

Background Volumetric absorptive microsampling (VAMS) offers a unique opportunity to collect small and accurate quantities of biological fluids. This sampling technique is of great interest for volume ... [more ▼]

Background Volumetric absorptive microsampling (VAMS) offers a unique opportunity to collect small and accurate quantities of biological fluids. This sampling technique is of great interest for volume-limited samples and for the collection of multiple samples from the same animal. This serial sample collection may reduce the number of required study animals, thereby fulfilling the three Rs rule (refine, reduce, replace). Here, we demonstrate the applicability of VAMS to study the bioavailability of drug formulations in rats. Methods Four itraconazole-containing formulations were successively administered to rats with a wash-out period of one week. VAMS was used to collect 14 whole blood samples of only 10 μL each within a time frame of 48 hours after administration of the different drug formulations. Particular attention was paid to sample preparation and stability. The extraction of itraconazole and its main metabolite hydroxy-itraconazole was optimized to provide a high recovery and minimal matrix effects. A developed and validated LC–MS/MS method was used for the quantification of the two compounds. Pharmacokinetic profiles for the different formulations were constructed and compared. Results The stability of itraconazole and hydroxy-itraconazole in dried VAMS samples of whole rat blood could not be guaranteed for more than a day when the samples were stored at room temperature. However, samples were stable for at least two weeks when stored at -80°C after sample preparation. Differences in pharmacokinetic profiles were observed for the tested drug formulations. Whole blood concentrations of itraconazole and its main metabolite were significantly higher after administration of three in-house produced formulations compared to concentrations obtained with a commercially available product. Moreover, these in vivo results could be partly related to in vitro dissolution rates of the various formulations. Conclusions VAMS is an attractive approach for bioavailability studies. Due to the low blood volumes per sampling point, the same rats can be used to compare various drug formulations. Therefore, the number of required animals can be drastically reduced. Moreover, this helps to suppress the inter-individual variability and strengthens the validity of results. [less ▲]

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See detailComparaison de l'impact de deux méthodes d'apprentissage sur la sécurité d'administration des médicaments : stages cliniques versus simulation
Servotte, Jean-Christophe ULiege; Galerin, Catherine ULiege; Ghuysen, Alexandre ULiege et al

Conference (2017, September 12)

Introduction Drug administration is the act nurses most frequently do. However, 50% of errors occur during administration. The damage these errors causes to patients, results in excess mortality rates and ... [more ▼]

Introduction Drug administration is the act nurses most frequently do. However, 50% of errors occur during administration. The damage these errors causes to patients, results in excess mortality rates and health care costs, hence leading to a major public health problem. Therefore, it is advisable to consider the training of future nurses on the practice of this delicate act. The objective of this study is to evaluate the impact of teaching by simulation combined with the internship on the safety administration of intravenous drugs by nursing students, compared to just the internship alone. Material and method A selection of 99 students from the bachelors’ block two of the Namur-Liege-Luxembourg Higher Institute of Nursing met the inclusion criteria under consideration. They were divided into two groups, one experimental group which participated in a simulation session and a control group, the latter did not participate in the simulation session. At the start of the research, all students were assessed by an objective structured clinical examination (OSCE) with the theme of modifying infusion and syringe flow rates. They were also asked to complete a questionnaire concerning their knowledge and self-efficacy feeling related to drug administration. The experimental group then participated in the simulation sessions. The experimental group and the control group also went into four weeks of training in medical or surgical services before participating in the second stage of the study. The latter consisted of the same tests and questionnaires as stage one of the study. The evolution of the results of the two groups was first observed separately before being compared. Results The majority of the results shows that the simulation improves, in a way significantly more important than the clinical course, the acquisition of skills and knowledge, as well as the feeling of self-efficacy in drug administration. On the other hand, the assessment of the level of stress linked to drug administration and the professional attitude evaluated during the OSCE were not significantly more improved by the simulation than by the training alone (stress: p-value = 0.8269, professional attitude = 0.9857). Conclusions For the students in the experimental group, the simulation showed a positive impact on the skills, knowledge and feeling of self-efficacy associated with drug administration. Changes and continuation of the study would make it possible to go further in the generalization of results, in the evaluation of learning outcomes, and to attest to their sustainability. [less ▲]

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See detailLiDAR aérien et autres nuages de points pour la cartographie multi-échelles
Poux, Florent ULiege; Neuville, Romain ULiege; Kasprzyk, Jean-Paul ULiege et al

Conference (2017, September 12)

Utilisation de nuage de points pour la cartographie 3D multi-échelles. Exemples d'utilisation et définition de workflows pour assurer l'interopérabilité lors de la fusion de données issues de différents ... [more ▼]

Utilisation de nuage de points pour la cartographie 3D multi-échelles. Exemples d'utilisation et définition de workflows pour assurer l'interopérabilité lors de la fusion de données issues de différents capteurs. [less ▲]

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See detailManaging and authenticating non-institutional users in Alma: two experiences
Brownlie, Helen; De Groof, Robert ULiege; Renaville, François ULiege

Conference (2017, September 12)

The management of patron information within Alma is primarily reliant on two systems – the creation and updating of patron information by an external system such as student management or HR systems or ... [more ▼]

The management of patron information within Alma is primarily reliant on two systems – the creation and updating of patron information by an external system such as student management or HR systems or internally within Alma itself. A recent survey of the Alma community indicated the majority of institutions utilize a mixture of these external and internal processes. In addition to providing access to affiliated staff and students more than 89% of institutions responded that they provided user accounts to non-affiliated users such as the general public, members of other academic institutions, alumni, etc. Providing authenticated access to library services for the latter group relies heavily on Alma for password management. This presentation will outline the processes in place at the University of Otago and at the University of Liège for managing and authenticating non-institutional users and the possible effect of Ex Libris' proposed changes to internal authentication. [less ▲]

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See detailLa régulation pédagogique comme vecteur de valeurs professionnelles - Le cas d’étudiants de BAC 1, futurs enseignants
Hausman, Matthieu ULiege

Conference (2017, September 12)

En tant que jeune maître-assistant chargé de la formation pédagogique des futurs enseignants du secondaire à la Haute Ecole de la Ville de Liège (Belgique), j’accorde beaucoup d’importance à la ... [more ▼]

En tant que jeune maître-assistant chargé de la formation pédagogique des futurs enseignants du secondaire à la Haute Ecole de la Ville de Liège (Belgique), j’accorde beaucoup d’importance à la construction par les étudiants de savoirs et compétences solidement ancrés et utiles à l’exercice de leur futur métier. Il y a deux ans, ma participation au Master de spécialisation en pédagogie de l’enseignement supérieur (Formasup, Université de Liège) m’a donné l’occasion d’analyser mes pratiques d’enseignement à la lumière de mes valeurs « constructivistes ». J’ai alors pu constater que le dispositif qui vise le développement de compétences de planification pédagogique par les étudiants de BAC1 n’était pas tout à fait en phase avec ces valeurs. Ce constat m’a amené à revoir le dispositif pour davantage solliciter l’engagement et la réflexion des étudiants par rapport aux « invariants opératoires » associés à la planification. Conformément à l’approche SoTL prônée par Formasup, j’ai mené une recherche en classe afin d’étudier les effets du dispositif régulé sur la qualité d’apprentissage et la motivation de mes étudiants. Cette recherche m’a permis de confirmer que le dispositif permettait effectivement aux étudiants de s’approprier les invariants opératoires de planification et, par le processus de contextualisation – décontextualisation – recontextualisation au cœur du dispositif, d’appliquer ceux-ci à des situations de plus en plus proches du futur contexte professionnel. La recherche a montré aussi que l’approche réflexive que je souhaitais voir mes étudiants adopter n’est pas encore suffisamment soutenue par le dispositif qui doit encore être amélioré à cet égard. [less ▲]

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See detailInnovation et créativité : un nouvel objet d’apprentissage en formation
Hausman, Matthieu ULiege; Vincent, Coline

Conference (2017, September 12)

Comment amener les futurs-enseignants à innover pour faire face à leurs futurs défis professionnels ? Depuis deux ans, notre formation initiale propose un dispositif ayant pour visée principale de ... [more ▼]

Comment amener les futurs-enseignants à innover pour faire face à leurs futurs défis professionnels ? Depuis deux ans, notre formation initiale propose un dispositif ayant pour visée principale de stimuler la créativité des étudiants et, par extension, celle de leurs futurs élèves. Actuellement, la créativité n’apparait pas explicitement dans le référentiel de compétences des enseignants en Belgique francophone (2000). Nous y voyons néanmoins une compétence professionnelle indispensable à développer à l’heure où l’innovation est aussi au centre des préoccupations des acteurs de l’éducation. Un processus créatif est donc mené au sein d’activités visant à la fois une meilleure compréhension du concept et son appropriation en tant que démarche fonctionnelle. Les futurs-enseignants y développent des pistes d’innovations pédagogiques en référence aux étapes d’un modèle inspiré du Creative Problem Solving (Osborn et Parnes, 1926). Pour la seconde année consécutive, c’est donc la capacité à innover de nos étudiants que nous souhaitons développer. La créativité étant le moyen choisi pour y parvenir, l’hypothèse principale que nous allons vérifier suite aux ajustements qui ont suivi notre première analyse (2015-2016) est la suivante : Le dispositif permet aux étudiants de faire évoluer leurs représentations du métier en y intégrant le processus créatif comme démarche fonctionnelle. [less ▲]

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See detailAnalyse critique du dispositif du groupement d’employeurs en Belgique
Pichault, François ULiege

Conference (2017, September 12)

Detailed reference viewed: 14 (0 ULiège)
See detailCitoyens dans un système handicapant : le cas des outsiders.
Fontaine, Sébastien ULiege

Conference (2017, September 12)

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See detailFrom seed to vegetable and from vegetable to seed : constructing a right to existence
Hecquet, Corentin ULiege

Conference (2017, September 12)

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See detailContent Working Group Report 2016-2017
Renaville, François ULiege; Varjabedian, Kathy

Conference (2017, September 11)

Report on the activities in 2016-2017 of the Content Working Group (previously Knowledge Base Advisory Board [KBAB]).

Detailed reference viewed: 52 (11 ULiège)
Peer Reviewed
See detailOverall borrowing and borrowing in basic vocabulary: A typological perspective on lexical change in Ancient Egyptian-Coptic
Grossman, Eitan; Polis, Stéphane ULiege

Conference (2017, September 11)

The notion of ‘basic vocabulary’ is associated with the name of Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, widely used in historical and comparative linguistics, were ... [more ▼]

The notion of ‘basic vocabulary’ is associated with the name of Morris Swadesh, who proposed a list of 200 (and later 100) items. These lists, widely used in historical and comparative linguistics, were based on intuition rather than on empirical research. More recently, however, the Leipzig Loanword Typology Project conducted a cross-linguistic survey of loanwords (Haspelmath & Tadmor 2009). One of the results is a 100-item list of basic vocabulary items — the ‘Leipzig-Jakarta list of basic vocabulary.’ This list is the product of four factors, computed for a database of 1440 meanings in 41 languages: borrowability, representation in the database, analyzability / simplicity, and age. As Tadmor (2009) states, this is the first list of basic vocabulary items based on extensive cross-linguistic comparison, and it constitutes a ‘full-fledged basic vocabulary’ that ‘comprises the notions normally associated with this concept: stability (our age score), universality (our representation score) and simplicity (our analyzability score), as well as resistance to borrowing (our unborrowed score)’ (2009: 68). In this talk, we examine this list of 100 meanings in order to evaluate the influence of Greek (Indo- European) on the basic vocabulary of Coptic (Afroasiatic), which shows massive lexical borrowing. First, Coptic data were collected from Crum (1939) for four dialects: Sahidic, Bohairic, Fayyumic, and Akhmimic. Additionally, a questionnaire was submitted to specialists in order to detect Greek loanwords that also lexicalized these meanings. Furthermore, we used etymological dictionaries (Černý 1976; Westendorf 1977; Vycichl 1983) in order to attribute an age score (from 0 = Greek loanword to 4 = Old Egyptian) to the lexemes at two levels: the formal level (when is the word first attested in Ancient Egyptian) and the semantic level (when is the meaning attested in Coptic first associated with this word). As a result of this study, we (1) evaluate the influence of Greek on the basic vocabulary of the main Coptic dialects, (2) describe the basic vocabulary of Coptic dialects independently and to observe how they differ from one another, (3) produce a first estimate of the rate of change in basic vocabularies over the course of Egyptian as a whole. Some of our main findings are as follows: 233 items lexicalize the 100 meanings. Of these, nearly half are attested already in the oldest Egyptian texts; a major peak in lexical replacement is around 1500 BCE, a time of considerable political and cultural upheaval in Egypt. Rates of lexical change do not always correspond to neat semantic categories: while body part terms were generally replaced, semantic categories like perception show heterogeneity (e.g., the verb ‘to hear’ remained throughout the entire history of Egyptian, while the verb ‘to see’ was replaced several times; similarly, ‘to come’ remained stable, while ‘to go’ was replaced several times). All in all, very few of the meanings on the Leipzig-Jakarta list are lexicalized by loanwords in Coptic, and no meanings show complete replacement of a native word by a loanword. This study has broader methodological implications. One is the clear distinction between (and possible independence of) overall lexical borrowing and borrowing of basic vocabulary: while Coptic borrowed an estimated 5000 lexical items (types), with a basic vocabulary borrowing score of 7.53, it is only a low-to-middle borrower in terms of basic vocabulary (cf. Fig. 1). The comparison of scores in overall borrowing vs. borrowing of basic vocabulary raises important questions about the types of socio-historical contact situations that lead to these different situations. [less ▲]

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See detailA tiny magic drawing board to track the penetration of magnetic flux in superconductors
Silhanek, Alejandro ULiege

Conference (2017, September 11)

Local polarization of a magnetic layer, a well-known method for storing information, has found its place in numerous applications such as the popular magnetic drawing board toy or the widespread credit ... [more ▼]

Local polarization of a magnetic layer, a well-known method for storing information, has found its place in numerous applications such as the popular magnetic drawing board toy or the widespread credit cards and computer hard drives. Here we experimentally show that a similar principle can be applied for imprinting the trajectory of quantum units of flux (vortices), travelling in a superconducting film (Nb), into a soft magnetic layer of permalloy (Py). In full analogy with the magnetic drawing board, vortices act as tiny magnetic scribers leaving a wake of polarized magnetic media in the Py board. The mutual interaction between superconducting vortices and ferromagnetic domains has been investigated by the magneto-optical imaging technique. For thick Py layers, the stripe magnetic domain pattern guides both the smooth magnetic flux penetration as well as the abrupt vortex avalanches in the Nb film. It is however in thin Py layers without stripe domains where superconducting vortices leave the clearest imprints of locally polarized magnetic moment along their paths. In all cases, we observe that the flux is delayed at the border of the magnetic layer. Our findings open the quest for optimizing magnetic recording of superconducting vortex trajectories. [less ▲]

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See detailWho are “the people” in populist rhetoric? The case of the “Front National” (FN) and the “Freiheitliche Partei Österreichs” (FPÖ)
Debras, François ULiege

Conference (2017, September 09)

In recent years, the “Front National” (FN) in France has claimed to be the “defender of the people” and “guarantor of their interests”. In 2017, the campaign slogan of Marine Le Pen, party leader and ... [more ▼]

In recent years, the “Front National” (FN) in France has claimed to be the “defender of the people” and “guarantor of their interests”. In 2017, the campaign slogan of Marine Le Pen, party leader and candidate in the presidential election, was “in the name of the people”. In Austria, the “Freiheitliche Partei Österreichs” (FPÖ) stood as the “voice of the oppressed majority”. The party is demanding “a direct democracy in order to let the people speak”. These elements lead us to question the notion of “the people”. How should we define “the people”? What reality does it refer to? What are the underlying political and ideological issues? Firstly, to answer this question, I aim to clarify the term “the people” in populist rhetoric. The FN and the FPÖ are often described as “far-right parties”. However, many scholars also refer to them as “populist parties”. These terms clearly need explaining. Secondly, this work will analyse the political discourse of the FN and the FPÖ. The focus will be on the political programmes and oral communication coming from their principal representatives. This analysis is discursive. It isn’t an examination of the work performed by party supporters or members (parliamentary work, action in local authorities, etc.). Apparently, the rhetoric from both parties is structured around two dichotomies: 1) the removal of social boundaries in favour of a people/elite opposition; 2) the affirmation of cultural boundaries in favour of an opposition between natives to a country and foreigners. I will explain why these notions of social and cultural boundaries have a prominent place in rhetoric in line with populist theory. The desire to suppress social boundaries, allows us to identity a first issue: sovereignty. The affirmation of cultural boundaries illustrates a second issue: unity. Finally, a third issue is transmitted through the notion of sovereignty and unity: identity. To conclude, I will return to the classification of the “Front National” and the “Freiheitliche Partei Österreichs” as “right-wing-populist” parties. I will end by answering the question: “who are ‘the people’”? This will explain why populist rhetoric responds to a feeling of unease within society and, more generally, within Western democracies. [less ▲]

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See detailRound table. Quaternary Prevention(P4) or first do not harm.
Jamoulle, Marc ULiege; Widmer, Daniel; La Valle, Ricardo et al

Conference (2017, September 09)

Quaternary prevention (P4), born from a reflection on the doctor-patient relationship, began as an answer of family doctors facing overmedicalization. It aims to protect the patient or population against ... [more ▼]

Quaternary prevention (P4), born from a reflection on the doctor-patient relationship, began as an answer of family doctors facing overmedicalization. It aims to protect the patient or population against the danger of medicine. Harmful effects can appear with preventive activities (example: prostate cancer screening by PSA) as well as by therapeutic interventions (example: disruptive medicine). P4 promoted by the World Organization of Family Doctors (WONCA) is practiced in different ways around the world through the activity of the WONCA Special Interest Group on Quaternary Prevention and Overmedicalisation (P4&O). There are multiple initiatives and backgrounds of P4. All these multiple initiatives that lead to P4 have their origin in denouncing the inadequacies of the Hegemonic Medical Model and the excesses perpetrated in the pursuit of profit. There are many schools of thought that try to solve this situation, such as "Medicines Based on ..." These contributions are valuable but usually point to a single dimension of the problem so they do not change the situation too much. The P4, however, have understood the centrality of the political and economic dimensions and, that is why, P4 has become a movement. P4 has understood that the root causes far exceed the limits of medicine, have understood that the problem includes ethical, political, economic and epistemological aspects of medicine. It is for this reason that the definition of P4 has shifted to the function of foundational idea since the movement that has been generated around this concept has surpassed this initial definition centered in a, yet complex, but still medical vision. P4 has understood that a new model of medicine and a new pact with society is necessary. P4 is a counter-hegemonic movement with predominant development in peripheral countries. This movement includes many other perspectives developed in the central countries but is the only one that has an ideological position that discusses the current paradigm of medicine that legitimates the same causes that give rise to P4, proposing to think a new way of practice the medicine that includes Ethical values, other forms of knowledge and the return to human medicine for humans with place for uncertainty, compassion, the encounter between people and non-commodified. Justice in health care is a central aspect of this new way of conceiving the medicine that we propose. Remember what Rudolf Virchow said in the nineteenth century "Physicians are the natural advocates of the poor and social problems fall largely under their jurisdiction. Medicine is a social science, and politics is nothing more than medicine in large scale". We must reformulate our contract with society and for this we must be very clear that our loyalty must always be with the sick, the poor and those who are weak. For this new contract we must also take into account the magnitude of the power that has been given to us and to live up to such responsibility. In the Rio manifesto (2016) we propose to “Avoid and denounce the naturalization of: hunger, exclusion, manipulation, inequality, violence, racism, exploitation, which harm health more than "diseases"” . There is a better and fairer world, let's fight to get it! More about P4 on www.ph3c.org/p4 [less ▲]

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See detailInscription, iteration, transformation
De Winter, Mélanie ULiege; Slomian, Cynthia ULiege

Conference (2017, September 09)

In “Knowledge in policy”, Freeman and Sturdy propose a phenomenology with the aim of “knowing knowledge” (Freeman & Sturdy, 2014, p. 2). Knowledge can have different forms called “inscribed”, “embodied” ... [more ▼]

In “Knowledge in policy”, Freeman and Sturdy propose a phenomenology with the aim of “knowing knowledge” (Freeman & Sturdy, 2014, p. 2). Knowledge can have different forms called “inscribed”, “embodied” and “enacted”. This framework is presented as a way to categorize and describe the form, the circulation and the transformation of knowledge in policymaking. In this paper, we intend to focus on inscribed knowledge, and particularly on documents conceived as essential artefacts of public policies (Freeman & Maybin, 2011). Freeman and Sturdy defined inscribed knowledge as “written down in texts, or represented in pictures and diagrams; or it may be incorporated into instruments, tools and machines, among other things”(Freeman & Sturdy, 2014, p. 10). This form of knowledge is particularly “stable”, “easily reproducible” and “highly mobile” so “it can be communicated or made available to many different individuals separated in time and/or space”(Freeman & Sturdy, 2014, p. 10). This statement draws from works in sociology of science and technology. These works, especially Latour’s (1987) studies of the laboratory work and Law's (1986) analysis of control at distance particularly emphasize the power of inscriptions in constraining social action over time and space. Through the analysis of the implementation of two policy plans in the Belgian healthcare sector, we question and put the role of inscriptions in perspective with moments of enactment, by focusing on meetings. We intend to show that some documents are crucial at particular moments and lose value at other moments. In the same vein, we also aim to show the importance of iteration, moments, duration, and rhythms in public action. By doing so, we show how the public policy itself is transformed through time, documents and meetings. We address this issue by drawing on two PhD researches focusing on the devising and implementation of the policy plans mentioned above. By relying on interviews, observations and document analysis, we describe the policy strategies inscribed in documents as well as key moments of both documents’ trajectories. In so doing, we emphasise that documents and meetings articulate with each other in an iterative process that in turn transforms the public policies themselves. [less ▲]

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See detailTowards a web-based platform for plotting, visualizing and enriching diachronic semantic maps: With a case study on the Greek and Egyptian temporal semantic field
Georgakopoulos, Athanasios ULiege; Polis, Stéphane ULiege

Conference (2017, September 09)

Semantic maps aim at detecting cross-linguistic regularities and recurrent patterns in semantic structure (Haspelmath 2003). This method was initially applied to the grammatical domain, mostly in a ... [more ▼]

Semantic maps aim at detecting cross-linguistic regularities and recurrent patterns in semantic structure (Haspelmath 2003). This method was initially applied to the grammatical domain, mostly in a synchronic perspective (with some exceptions, see, e.g., van der Auwera & Plungian 1998). Recent research, however, has drawn attention to the lexical domain, showing that the model can also include lexical semantics (see, e.g., François 2008). Intimately related to the semantic map method has been the issue of finding appropriate ways of creating those maps and of capturing visually the semantic regularities. Up until recently, the maps were plotted and drawn manually. However, Regier et al. (2013) showed that a good approximation algorithm exists for inferring semantic maps based on polysemy data. Elaborating on their method, this paper aims to demonstrate that information about the directionality and the weight of the edges can be automatically added, thereby providing valuable information regarding the paths of semantic extensions and their frequency. In order to illustrate the method, we take the example of the semantic extension of time-related lexemes (e.g. TIME, HOUR, SEASON, DAY) in Ancient Greek (8th – 1st c. BC) and Ancient Egyptian – Coptic (26th c. BC – 10th c. AD). Both languages give access to significant diachronic material, allowing us to trace long term processes of semantic change. The results of our diachronic investigations are then checked against databases giving information on synchronic polysemies (e.g., List et al. 2014). In doing so, we also assess the adequacy of the use of polysemy as a tool to investigate semantic change. [less ▲]

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See detailCreativity and Innovation
Artige, Lionel ULiege

Conference (2017, September 08)

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Peer Reviewed
See detailThe Diffusion of the EU Model of Electoral Rights for the Direct Election of Members of Supranational Parliaments
Vintila, Cristina-Daniela ULiege; Carlos, Closa

Conference (2017, September 07)

Research on enfranchisement of EU citizens in EP elections has explained its original design (Lodge 1982; Closa 1992) and its national implementation (Herman 1979; Bieber 1984; Duff 1994). A number of ... [more ▼]

Research on enfranchisement of EU citizens in EP elections has explained its original design (Lodge 1982; Closa 1992) and its national implementation (Herman 1979; Bieber 1984; Duff 1994). A number of other regional organizations have created supranational parliaments and some studies have explained the logic behind their creation (Malamud and Sousa 2007; Dri 2010). In some cases, their institutionalization also led to the introduction of the direct election of the members of these parliamentary assemblies. Yet, this enfranchisement process at the supranational level remains largely unexplored, as it happens for the variance in its design across different regional organizations and, within these, of the variances in implementation of these electoral rights. This paper aims to fill this gap by explaining the reasons for the introduction of electoral rights and their uneven implementation across six supranational parliaments holding direct elections. The paper draws on the diffusion theory which allows identifying the origin of a given institution and the mechanisms for its transference, as well as the elements explaining variance in its incorporation to receiving contexts. The first part of the paper applies a plausibility probe of the diffusion theory to the case of electoral rights, whereas the second part of the paper seeks to explain the patterns of decoupling in citizens’ enfranchisement at the supranational level (i.e. the adjustment of the diffused institution of directly elected parliaments to the receiving environment of the Member States). [less ▲]

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See detailOptimization and machine learning for smart-microgrids
Cornélusse, Bertrand ULiege

Conference (2017, September 06)

Detailed reference viewed: 63 (5 ULiège)
Peer Reviewed
See detailGoing Inside Structural and Physicochemical Properties of Polymers using Ion Mobility-Mass Spectrometry
Haler, Jean ULiege; de la Rosa, Victor R.; Far, Johann ULiege et al

Conference (2017, September 06)

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See detailOrdovician to Early Devonian miospores from South America: a state of the art - review
Rubinstein, C.V.; Garcia Muro, V.J.; Gerrienne, Philippe ULiege et al

Conference (2017, September 05)

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See detailSpatial hybridization and its implications on housing in Brussels and Amsterdam
Uyttebrouck, Constance ULiege; Teller, Jacques ULiege

Conference (2017, September 04)

This paper aims to address the effects of labour market mutations on housing through an analysis of “spatial hybridization”, focusing on the qualitative comparison of Brussels and Amsterdam. The objective ... [more ▼]

This paper aims to address the effects of labour market mutations on housing through an analysis of “spatial hybridization”, focusing on the qualitative comparison of Brussels and Amsterdam. The objective is to provide first elements of context, methodology and results of a wider on-going research. In the first section, we highlight underlying trends, in particular the emergence of NWoW in a context of new economy, and current issues on the housing market (flexibilisation, commodification, gentrification). Then, we discuss the relevance of applying path dependence in our research, before presenting our two case-study cities from a historical perspective and pointing out innovative practices and the current public discourse. Finally, we discuss differences and similarities through four elements of comparison: functional mix at the block level, service-oriented housing, economic and housing paths. The discussion is based on our literature review, early policy analysis and interviews with key-stakeholders. [less ▲]

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See detailElectrochemical Mechanism of TiMnSn4 as Anode Material for Li-ion Batteries
Lippens, Pierre-Emmanuel; Jumas, Jean-claude; Olivier-Fourcade, Josette et al

Conference (2017, September 04)

Li-ion batteries are widely used in portable electronic devices, electric vehicles or energy storage systems for intermittent energy sources, due to their high energy density, light weight and long cycle ... [more ▼]

Li-ion batteries are widely used in portable electronic devices, electric vehicles or energy storage systems for intermittent energy sources, due to their high energy density, light weight and long cycle life. However, the performances must be continuously improved, which requires the development of new electrode materials. Carbon is commercially used for the anode but its specific capacity is limited to 372 mAh g-1 due to the electrochemical insertion mechanism involving only 1 Li per 6 C. In order to increase the specific capacity, Sn was considered as electrochemically active element although it is about ten times heavier than C. This is due to the alloying/dealloying mechanism with up to 4.4 Li per Sn, providing a theoretical capacity of 992 mAh g-1. However, the Sn ↔ Li4.4Sn reversible transformations are associated with large volume variations responsible for capacity fading.Tin intermetallic compounds of the form MSnx, where M is a transition metal, were proposed to overcome this problem. The first lithiation transforms the pristine material into Li7Sn2/M nanocomposites where the M nanoparticles are expected to buffer the volume variations [1]. However, the delithiation process is more complex involving a possible back reaction of M with Sn, which could play a crucial role in the cycling stability. Such reaction was observed for Ni3Sn4 [2] and MnSn2 [3] but not for FeSn2 [4]. In addition, TiSnx intermetallics show very poor electrochemical activity [5]. The present work concerns the tin based ternary phase TiMnSn4 as new anode material for Li-ion batteries. This compound is of particular interest because it contains two different transition metals that are expected to react differently with Sn during delithiation, if we consider the previous results obtained for MnSnx and TiSnx. TiMnSn4 was obtained by mechanosynthesis to optimize the microstructure and characterized by different experimental tools and DFT (density functional theory) calculations. We propose an analysis of the reaction mechanism based on operando X-ray diffraction and 119Sn Mössbauer spectroscopy combined with a DFT interpretation of the electrochemical potential curve. References 1) M. Chamas, M.T. Sougrati, C. Reibel, P.E. Lippens, Chem. Mater. 25, 2410 (2013). 2) K.K.D. Ehinon, S. Naille, R. Dedryvère, P.E. Lippens, J.C. Jumas, D. Gonbeau, Chem. Mater. 20, 5388 (2008). 3) A. Mahmoud, M. Chamas, J.C. Jumas, B. Philippe, R. Dedryvère, D. Gonbeau, I. Saadoune, P.E. Lippens, J. Power Sources 244, 246 (2013). 4) M. Chamas, P.E. Lippens, J.C. Jumas, K. Boukerma, R. Dedryvère, D. Gonbeau, J. Hassoun, S. Panero, B. Scrosati, J. Power Sources 196, 7011 (2011). 5) A. Ladam, L. Aldon, P.E. Lippens, J. Olivier-Fourcade, J.C. Jumas, C. Cenac-Morthe, Hyperfine Interact. 237, 51 (2016). [less ▲]

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See detailIntrasite spatial analysis based in a Geographic Information System and apply to extensive Middle Palaeolithic open-air sites in northern France. The example of Caours (Somme, France).
Moreau, Gwénaëlle ULiege; Locht, Jean-Luc; Auguste, Patrick

Conference (2017, September 02)

During middle Palaeolithic, northern France was occupied only by Neanderthals groups. However, the succession of glacial and interglacial periods explain a complex and discontinuous settlement, which ... [more ▼]

During middle Palaeolithic, northern France was occupied only by Neanderthals groups. However, the succession of glacial and interglacial periods explain a complex and discontinuous settlement, which involved complication in the study of the population dynamics at regional scale. Thereby, some aspects of Neanderthals behaviour are still obscure: in many cases, the sites function have to be precise. The intrasite spatial analysis will help us to answer those questions through the description of human activity areas and their interactions. However, for Middle Palaeolithic sites, we can’t see systematically on the field the spatial organisation directly, we sometimes need modelization. Therefore, we started to build a spatial analysis protocol based on a Geographic Information System and rely on sites of Caours and Beauvais (France). They are two open air sites that are exceptionally well preserved and displaying a large amount of faunal and lithic rests. Our protocol’s aim is showing the existence of a spatial organisation in form of artefacts concentration area. We first hypothesize with mesh analysis – or density, widely used in archaeology. Nevertheless, this method is limited by subjective choices like that of the mesh analysis. For that reason, we decided to use another methodology based on artefacts density but also on the distance between each other: The Kernel Density Estimation. Then, we will specified the function of this areas in a life space and their interactions through the spatial distribution of different lithic artefacts and faunal remains. [less ▲]

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See detailA bottom-up approach to the analysis of deliberate metaphors in Belgian political discourse
Heyvaert, Pauline ULiege

Conference (2017, September 01)

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See detailJuno-UVS and Chandra Observations of Jupiter's Polar Auroral Emissions
Gladstone, G. R.; Kammer, J. A.; Versteeg, M. H. et al

Conference (2017, September 01)

New results are presented comparing Jupiter's auroras at far-ultraviolet and x-ray wavelengths, using data acquired by Juno-UVS and Chandra. The highly variable polar auroras (which are located within the ... [more ▼]

New results are presented comparing Jupiter's auroras at far-ultraviolet and x-ray wavelengths, using data acquired by Juno-UVS and Chandra. The highly variable polar auroras (which are located within the main auroral oval) track each other quite well in brightness at these two wavelengths. [less ▲]

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See detailRelationships between methane emissions and technico-economic data from commercial dairy herds
Delhez, Pauline ULiege; Wyzen, Benoit; Dalcq, Anne-Catherine ULiege et al

Conference (2017, September 01)

Considering economic and environmental issues is important for the sustainability of dairy farms. Regarding environment, direct methane (CH4) emissions from cows are of increasing concern. Many studies ... [more ▼]

Considering economic and environmental issues is important for the sustainability of dairy farms. Regarding environment, direct methane (CH4) emissions from cows are of increasing concern. Many studies examined CH4 variation factors but often on a low number of experimental cows. Also, few studies linked CH4 to economic aspects of dairy farms. The innovative aim of this study was to highlight technical factors associated with dairy cow CH4 emissions and gain insight into the relationships between CH4 and herd economic results by the use of large scale and on-farm data. A total of 525,697 individual CH4 predictions from milk mid-infrared (MIR) spectra [MIR-CH4 (g/day)] of milk samples collected on 206 farms during the Walloon milk recording were used to create a CH4 proxy at the herd by year (herd*year) level. This proxy was merged with accounting data. This allowed a simultaneous study of CH4 emissions and 56 technico-economic variables for 1,024 herd*year records from 2007 to 2014. Significant effects were detected from ANOVA analyses and correlations (r). MIR-CH4 was weakly linked to technical variables considered individually (r < 0.38), suggesting complex associations between variables. Lower MIR-CH4 was associated with lower fat and protein corrected milk (FPCM) yield (r=0.18), lower milk fat and protein content (r=0.38 and 0.33, respectively), lower quantity of milk produced from forages (r=0.12) and suboptimal reproduction and health performances (e.g. higher calving interval (r=-0.21), higher culling rate (r=-0.15)). On an economic point of view, lower MIR-CH4 was associated with lower gross margin per cow (r=0.19) and per litre FPCM (r=0.09). To conclude, this study suggested that low dairy cow CH4 emissions tended to be associated with suboptimal and also less profitable herd management practices. Further research is needed to confirm and expand on these results. [less ▲]

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See detailMunicipalities’ understanding and importance of the concept of Smart Cities: an exploratory analysis in Belgium
Desdemoustier, Jonathan ULiege; Crutzen, Nathalie ULiege; Giffinger, Rudolf

Conference (2017, September 01)

Even if an increasing number of scientific publications are dealing with it, the concept of “smart city” is not yet well defined and it is not fully understood (Anthopoulos and Vakali 2012; Caragliu,Bo ... [more ▼]

Even if an increasing number of scientific publications are dealing with it, the concept of “smart city” is not yet well defined and it is not fully understood (Anthopoulos and Vakali 2012; Caragliu,Bo, and Nijkamp 2009; Lazaroiu and Roscia 2012). Due to the lack of a proper conceptualization, defined method or credentials for smart cities (Angelidou 2015; Nam and Pardo 2011), cities across the geographical spectrum claim themselves 'smart' with self-congratulatory note (Hollands 2008). Despite this increasing popularity of smart cities, there are few critical discourse and rigorous analytical or statistical analyses of the concept and its application on urban territories (Caragliu, Bo, and Nijkamp 2009; R G Hollands 2015; Kitchin 2015; Vanolo 2014). This paper aims at understanding where Belgian municipalities stand in the field of smart city in 2016. How Belgian municipalities approach the phenomenon smart city? Which focus in smart city -sustainable, technologic, creative and human-do attract Belgian municipalities? The paper answers to these questions thanks to a comprehensive territorial analysis of the country, a presentation of current trends on smart cities in the three Belgian regions, and the construction of a typology of municipalities’ understandings of the phenomenon. It also analyses how these understandings impact priorities and smart city developments of Belgian municipalities. It investigates how they affect municipal priorities in the six dimensions of the smart city and their state of development in some key smart city fields. Finally, it examines how do this typology is related to the municipal perception of difficulty to set up smart city projects and the relevance of the concept for their territories. The data used comes from the results of a quantitative research amongst Belgian municipalities carried out in 2016 by the Smart City Institute. The research points out key statistical observations around the smart city phenomenon in Belgium. A typology with four different understandings (technological, holistic, specialized and inexistent) emerged from the analyses. [less ▲]

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See detailUnveiling Mars nightside mesosphere dynamics by IUVS/MAVEN global images of NO nightglow
Stiepen, Arnaud ULiege; Jain, S. K.; Schneider, N. M. et al

Conference (2017, September 01)

We analyze the morphology of the ultraviolet nightglow in the Martian upper atmosphere through Nitric Oxide (NO) δ and γ bands emissions observed by the Imaging Ultraviolet Spectrograph instrument on the ... [more ▼]

We analyze the morphology of the ultraviolet nightglow in the Martian upper atmosphere through Nitric Oxide (NO) δ and γ bands emissions observed by the Imaging Ultraviolet Spectrograph instrument on the Mars Atmosphere and Volatile EvolutioN spacecraft. The seasonal dynamics of the Martian thermosphere-mesosphere can be constrained based on the distribution of these emissions. We show evidence for local (emission streaks and splotches) and global (longitudinal and seasonal) variability in brightness of the emission and provide quantitative comparisons to GCM simulations. [less ▲]

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See detailMAVEN IUVS Observations of the Aftermath of the Comet Siding Spring Meteor Shower on Mars
Schneider, N. M.; Crismani, M.; Deighan, J. I. et al

Conference (2017, September 01)

A comet's close passage by Mars deposited an unprecedented amount of vaporized dust whose elements were detected by the MAVEN spacecraft.

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See detailJovian aurora from Juno perijove passes: comparison of ultraviolet and infrared images
Gérard, Jean-Claude ULiege; Bonfond, Bertrand ULiege; Adriani, A. et al

Conference (2017, September 01)

The electromagnetic radiation emitted by the Jovian aurora extends from the X-Rays presumably caused by heavy ion precipitation and electron bremsstrahlung to thermal infrared radiation resulting from ... [more ▼]

The electromagnetic radiation emitted by the Jovian aurora extends from the X-Rays presumably caused by heavy ion precipitation and electron bremsstrahlung to thermal infrared radiation resulting from enhanced heating by high-energy charged particles. Many observations have been made since the 1990s with the Hubble Space Telescope, which was able to image the H2 Lyman and Werner bands that are directly excited by collisions of auroral electrons with H2. Ground-based telescopes obtained spectra and images of the thermal H3+ emission produced by charge transfer between H2+ and H+ ions and neutral H2 molecules in the lower thermosphere. However, so far the geometry of the observations limited the coverage from Earth orbit and only one case of simultaneous UV and infrared emissions has been described in the literature. The Juno mission provides the unique advantage to observe both Jovian hemispheres simultaneously in the two wavelength regions simultaneously and offers a more global coverage with unprecedented spatial resolution. This was the case. [less ▲]

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See detailDEVELOPMENT OF AN ELECTRONIC EDUCATION BOOKLET FOR PATIENTS WITH LOW BACK PAIN
Demoulin, Christophe ULiege; Pauly, Laura; Grosdent, Stéphanie ULiege et al

Conference (2017, September)

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See detailGerontechnology: for whom and why ?
Piccard, Sébastien ULiege; Boulanger, Christelle ULiege; Leclercq, Pierre ULiege et al

Conference (2017, September)

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See detailPREVALENCE OF CERVICAL DYSFUNCTION IN PATIENTS WITH EPICONDYLALGIA: A PRELIMINARY STUDY
Colman, David ULiege; Demoulin, Christophe ULiege; Neumann, Valentin et al

Conference (2017, September)

Detailed reference viewed: 15 (1 ULiège)
See detailHow do ethnic and sexual social categorization impact our experience of the city?
Nessi, Cecilia ULiege

Conference (2017, September)

Detailed reference viewed: 17 (2 ULiège)
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See detailATTITUDES AND BELIEFS CONCERNING LOW BACK PAIN AMONG PHYSIOTHERAPY STUDENTS IN BELGIUM AND THE NETHERLANDS: A CROSS-SECTIONAL STUDY
Leysen, Marijke; Nijs, Jo; Van Wilgen, C.P. et al

Conference (2017, September)

Detailed reference viewed: 30 (1 ULiège)
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See detailConspecific attraction in a landscape of fear: interaction between maternal, personal and social information about predation risk
Winandy, Laurane ULiege; Di Gesu, Lucie; Jacob, Staffan et al

Conference (2017, September)

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See detailLocals in the Wasteland: The Non-Intended Side Effects of (In)Sensible Local Participatory Technology Development.
Parotte, Céline ULiege

Conference (2017, September)

Implementing high-level radioactive wastes programs on a territory remain a sensitive step for nuclear waste management organizations. At this stage, the preferred solution of radioactive wastes programs ... [more ▼]

Implementing high-level radioactive wastes programs on a territory remain a sensitive step for nuclear waste management organizations. At this stage, the preferred solution of radioactive wastes programs (geological disposal) and their technological developments become highly visible and this is why the new instruments and strategies such as participatory technology development (PDT) have been adopted to tackle the territorial development of geological disposal technology. Considering the coproduction between territory and program (Jasanoff 2004), this presentation focuses on two siting processes of radioactive wastes programs, in France and in Canada to analyze the influence of in(sensible) local participatory technology development strategy and the influence of invited critics (Wynne 2007) on the industrial project. Our results show that frameworks of the participatory technology development have been designed very differently (with or without publics). Consequently, two undesirable, mostly non-intended side effects of information local committees (non) integration have appeared. In France, a closed PDT transformed invited critics as non-invited one. In Canada, a weak engagement of publics has occurred with an opened PDT. In both case, new socio-technical adjustments have occurred in those programs. [less ▲]

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See detailPedagogical and Didactic Adaptations of a Mathematics Course to a Student-Centred Education in an Architecture Programme
Jancart, Sylvie ULiege; Seijkens, Nicolas ULiege; Silvestre, Aude ULiege

Conference (2017, September)

This presentation will focus on both didactic and pedagogical reflections teaching mathematics in architecture programme in order to support the experience and learning of first year students. Led in ... [more ▼]

This presentation will focus on both didactic and pedagogical reflections teaching mathematics in architecture programme in order to support the experience and learning of first year students. Led in order to promote the students’ intrinsic motivation (Deci & Ryan, 1985) and support our didactic reflections, an inventory of mathematical difficulties encountered by freshmen in their program has been established. This inventory also served the purpose of demystifying mathematics and valuing them through a place in a cursus more rooted in the profession (Wigfield and Eccles, 2000). Sorted according to the skills involved, the relevant difficulties pointed out by students were mostly found in two courses, topography and structure. Several examples will be presented demonstrating the lack of transfer between the disciplines, students studying formulas without understanding them. To counter this lack of transfer, pedagogical reflections about our current teaching were developed thanks to the Feedback First-Year Project (FFYP) developed in the University of Liège. In this context, three significant devices set up in mathematics were developed. The first one is an online-oriented prerequisite test implemented on our academic online platform. The second one is an intermediate test based on true/false quizzes and the third one a simulation of the real exam with peer interventions. According to Nicol’s recommendations (2009), each of these features is completed with specific feedbacks specially designed in order to impact several dimensions of their motivation. [less ▲]

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See detailMars proton aurora: energy deposition and Lyman-α line profile
Gérard, Jean-Claude ULiege; Hubert, Benoît ULiege; Bisikalo, D. V. et al

Conference (2017, September)

Enhancements of the Lyman-alpha dayglow have been occasionally observed with IUVS on board MAVEN during periods of increased solar wind activity. They are interpreted as signatures of the penetration of ... [more ▼]

Enhancements of the Lyman-alpha dayglow have been occasionally observed with IUVS on board MAVEN during periods of increased solar wind activity. They are interpreted as signatures of the penetration of energetic protons and H atoms into the Martian atmosphere. We present the results of Monte Carlo simulations of the energy deposition of the proton/H atom beam and the subsequent Lyman-alpha emission. We compare the observed brightness and the altitude of the emission peak with those calculated based on in-situ measurements of the incident energetic protons. [less ▲]

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See detailRevision de la legislacion sobre olores en varias partes del mundo, un trabajo de 14 expertos internacionales
Bokowa, A.; Diaz, C.; Izquierdo, C. et al

Conference (2017, September)

In this paper we will try to introduce some of the information that a group of 14 experts from different countries is discussing regarding odour regulations. The aim is to publish the first critical ... [more ▼]

In this paper we will try to introduce some of the information that a group of 14 experts from different countries is discussing regarding odour regulations. The aim is to publish the first critical review over odour legislation in several parts of the world, analysing not only from a descriptive way any single regulation, but also from a critical point of view. This review will try to identify points to improve and will offer alternatives to some common issues when dealing with regulating the odour impact. The final paper will be published in a Journal not determined yet. [less ▲]

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See detailPast mining areas as rural capital – Perspectives from Bucovina and Wallonia
Schmitz, Serge ULiege; Dubois, Charline ULiege; Vanderheyden, Vincent ULiege et al

Conference (2017, September)

In this paper, we consider old mining sites in two very different contexts, a post-socialist Carpathians area and a Western European area that knew precocious industrialisation. How these past mining ... [more ▼]

In this paper, we consider old mining sites in two very different contexts, a post-socialist Carpathians area and a Western European area that knew precocious industrialisation. How these past mining areas could develop and enhance rural development and heritage landscapes? [less ▲]

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See detailThe work coordinators do. An organisational reflection on the coordination function as enactive of change in complex policy fields.
Darcis, Coralie ULiege; Thunus, Sophie ULiege

Conference (2017, September)

In this paper, we reflect on the work of coordinators in the fields of mental healthcare and internment. We examine the contribution of this new type of workers to the implementing of policy plans ... [more ▼]

In this paper, we reflect on the work of coordinators in the fields of mental healthcare and internment. We examine the contribution of this new type of workers to the implementing of policy plans targeting complex social problems, such as the issue of mental health care fragmentation. We outline a theoretical and methodological framework appropriate to the study of coordination in action, before describing the coordinators’ working environment, concrete coordination practices and the occasions in which they are visible. Based on this empirical description, we argue that the coordinator work begin more with ignorance than with knowledge and that coordinators do not know precisely who they are, as coordinators, both individually and collectively. Neither do they know exactly what to do. The coordinators’ world is nevertheless full of knowledge: there are plenty of experts claiming diverging interpretations of the complex problems addressed by the coordinators. Therefore, we ask how the coordinators deal with their ignorance in such an ambiguous world, that is, a world characterised by both an abundance of knowledge and a scarcity of resources. We show that postulating the coordinators ignorance helps to see what is the core of their function and how they perform their work, that is, by attending and scheduling meetings where previously separated and incommensurable events are linked together. [less ▲]

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See detailUn "âge d'or" touche-t-il à sa fin? Histoire, adaptations et reconfigurations dans le champ du Blanc-Bleu Belge en Wallonie aujourd'hui (1980-2015)
Gérard, Marie ULiege

Conference (2017, September)

Contribuer à une réflexion qui envisage autrement l’entreprise de « modernisation agricole » du XXe siècle en Europe occidentale implique une triple opération. Afin d’inscrire cette entreprise dans ... [more ▼]

Contribuer à une réflexion qui envisage autrement l’entreprise de « modernisation agricole » du XXe siècle en Europe occidentale implique une triple opération. Afin d’inscrire cette entreprise dans l’histoire plus générale des développements et des reconfigurations du capitalisme, il importe d’abord de la faire remonter à la révolution industrielle du XVIIIe siècle (et non aux « Trente Glorieuses », simple accélération, certes prodigieuse, de ce qui, dans les campagnes et ailleurs, se joue déjà depuis un siècle). Il faut ensuite montrer que cette histoire, loin d’être naturelle et nécessaire, a au contraire engendré, non seulement de la souffrance, mais également des résistances ainsi que des revendications organisées. Troisièmement, il est essentiel de montrer que l’histoire de la modernisation agricole n’est pas achevée ; aussi importe-t-il de prendre le contrepied des chantres de la « modernité réflexive », accompagnement idéologique du « capitalisme vert ». C’est ce projet critique que notre communication alimentera sur la base d’une enquête de terrain : l’élevage de la très controversée race bovine blanc-bleu belge qui, à l’heure actuelle, constitue toujours la première spéculation des éleveurs allaitants en Wallonie. Nous proposerons une analyse en quatre temps qui s’inscrit dans la droite ligne de ce colloque (plus particulièrement dans son troisième volet). Dans un premier temps, nous montrerons que l’histoire de cette race d’élevage est intéressante en ce qu’elle rejoue d’une manière singulière l’histoire dominante de la modernisation agricole. En nous appuyant sur les récits des éleveurs de « BBB », il apparaîtra que ce qu’ils appellent « l’âge d’or » – soit la tournure particulière que prend en Wallonie la modernisation agricole de l’après-guerre en s’organisant, dans le champ de l’élevage allaitant, autour d’une race hyper-conformée connue pour ses césariennes obligatoires ainsi que pour la qualité de sa viande diététique – ne coïncide pas, ainsi qu’on l’attendrait, avec la période dite des « Trente Glorieuses », mais bien avec les très néolibérales années 1980. Second point. Dans les années 1970, un tournant s’amorce dans le monde agricole occidental : sur fond d’une critique du « productivisme », celui-ci consacre simultanément le durcissement de la logique modernisatrice et l’institutionnalisation « d’alternatives » à ce modèle dominant ; or – et c’est une seconde singularité de ce cas –, pour les éleveurs de « BBB », cet embranchement semble être devenu effectif seulement depuis les années 2000. C’est ce qu’ils racontent tous : ils sont désormais sommés de choisir ; soit s’engager toujours plus avant dans la logique de modernisation, soit opter pour des « alternatives ». Mais tout indique, on le verra, que la race « BBB » n’est adaptée à aucune de ces deux trajectoires. Nous montrerons alors qu’un tel « verrouillage » de la race blanc-bleu belge n’est pas seulement d’ordre technique, mais également socio-psychique. Certes, des reconfigurations sont encore possibles ; mais pas pour tous. Certains éleveurs, parce qu’ils sont attachés à une race d’élevage, c’està-dire aussi à une certaine structure de l’exploitation agricole impliquant un certain rapport au monde, à la nature, aux autres et à soi-même, ne peuvent entamer les reconfigurations qui s’imposent. Nous mettrons en évidence le malaise qui habite certains de ces « paysans modernisés », ceux qui perdent aujourd’hui la compétition dont, hier, ils étaient sortis victorieux. Nous conclurons sur ce sentiment de malaise et, surtout, sur la critique qu’il implique de « l’environnement » et du « bien-être animal » (nouveaux mots d’ordre éthiques de la « modernité réflexive »). Il est clair en effet que cette société « réflexive », en prenant pour cible les pratiques d’élevage intensives du blanc-bleu belge (cf. : l’article du journal Le Monde), ne fait finalement que construire des boucs émissaires, lesquels répondent à une fonction précise : se convaincre que l’ère de l’environnement est aujourd’hui advenue et, par-là, oublier que sans s’arcbouter à une critique politique radicale, l’éthique environnementale ne peut qu’accélérer la propagation du capitalisme. [less ▲]

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See detailLa force de la sous-culture de responsabilité comme condition d’amélioration continue dans l’hôpital
Bounazef, Djida ULiege; Van Caillie, Didier ULiege; Salaouatchi et al

Conference (2017, September)

Ce papier positionne la sous-culture de responsabilité comme facteur d’amélioration continue à travers le renforcement des valeurs et pratiques. Il analyse les valeurs, les comportements, les facteurs de ... [more ▼]

Ce papier positionne la sous-culture de responsabilité comme facteur d’amélioration continue à travers le renforcement des valeurs et pratiques. Il analyse les valeurs, les comportements, les facteurs de motivation/démotivation à l’engagement et la perception du leadership de 380 médecins dans des hôpitaux algériens. Les résultats montrent des corrélations significatives entre le niveau d’implication de l’équipe dirigeante, le poids des contre-cultures, la perception des sous-cultures, l’appartenance aux groupes catégoriels et la normalisation des comportements et valeurs partagées des médecins. Ces interactions représentent un facteur déterminant dans les processus d’amélioration continue. [less ▲]

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See detailPhoto-Ionization GCxGC-HRTOF/MS for Aviation Fuel Characterization
Giri, Anupam ULiege; Courtiade; Racaud et al

Conference (2017, September)

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See detailSimultaneous hollowisation separability criterion in general multipartite systems
Neven, Antoine ULiege; Bastin, Thierry ULiege

Conference (2017, September)

We use the generalized concurrence approach to investigate the general multipartite separability problem. By extending the preconcurrence matrix formalism to arbitrary multipartite systems, we show that ... [more ▼]

We use the generalized concurrence approach to investigate the general multipartite separability problem. By extending the preconcurrence matrix formalism to arbitrary multipartite systems, we show that the separability problem can be formulated equivalently as a pure matrix analysis problem that consists to determine whether a given set of symmetric matrices is simultaneously unitarily congruent to hollow matrices, i.e., to matrices whose main diagonal is only composed of zeroes. [less ▲]

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See detailAssessing Landscape Quality: is there a consensus among experts?
Vanderheyden, Vincent ULiege; Schmitz, Serge ULiege

Conference (2017, September)

The paper analyses how 42 landscape experts from Wallonia and Romania mark their agreement on 52 Likert-items regarding landscape quality.

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See detailMetabolic engineering of Yarrowia lipolytica for the synthesis of added value chemicals
Carly, Frédéric; Vandermies, Marie ULiege; Telek, Samuel ULiege et al

Conference (2017, September)

Y. lipolytica is a non-conventional yeast, well-known for its unusual metabolic properties. Based on its ability to secrete high amounts of proteins and metabolites of biotechnological interest, Y ... [more ▼]

Y. lipolytica is a non-conventional yeast, well-known for its unusual metabolic properties. Based on its ability to secrete high amounts of proteins and metabolites of biotechnological interest, Y. lipolytica has several industrial applications, including heterologous protein synthesis or citric acid production. We will report on strain development for the synthesis of two added value chemicals: erythritol and erythrulose. Erythritol is a four-carbon sugar alcohol with application as food additive due to its sweetening properties. Erythrulose is a derivative of erythritol and is an intermediate of its catabolism. It has application as sunless tanning agent and as precursor for the synthesis of different drugs. By overexpressing gene GUT1 and TKL1, which encode a glycerol kinase and a transketolase, respectively, strain-overproducing erythritol were obtained. Erythrulose producing strain was obtained by deleting gene YALI0F01606g than code for an erythrulose kinase. [less ▲]

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See detailPhysical activity counseling: Creation of a formation for students in physical education
Lombard, Gilles ULiege; Jansen, Adrien ULiege; Cloes, Marc ULiege

Conference (2017, September)

The WHO (2015) estimates to 1 million deaths par year due to physical inactivity in Europe. The promotion of children physical activity is the starting point as active children are more likely to remain ... [more ▼]

The WHO (2015) estimates to 1 million deaths par year due to physical inactivity in Europe. The promotion of children physical activity is the starting point as active children are more likely to remain active in adulthood than the others (ACSM et al., 2015). According to ecological model (Booth, 2001) school and teachers are essentials determinants to encourage children in this way. Then, we decided to implement a unit aiming to train physical education students to be able to counselling children and sedentary people. The first step was to interview 15 field professionals supposed to be involved in physical activity promotion in order to identify the essential factors to point out. The second step was to design a formation plan allowing to fill gaps in students skills. The last point will be to implement this formation and to analyse the impact on students actions. [less ▲]

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See detailQuest for the invisible: where do non-heterosexual women meet, share and laugh?
Nessi, Cecilia ULiege

Conference (2017, September)

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See detailEvolution of the auroral signatures of Jupiter’s magnetospheric injections
Dumont, Maïté ULiege; Grodent, Denis ULiege; Bonfond, Bertrand ULiege et al

Conference (2017, September)

We report on the longitudinal and azimuthal motions of auroral signatures of Jupiter’s magnetospheric injections appearing in Hubble Space Telescope (HST) images in the northern and southern hemispheres ... [more ▼]

We report on the longitudinal and azimuthal motions of auroral signatures of Jupiter’s magnetospheric injections appearing in Hubble Space Telescope (HST) images in the northern and southern hemispheres. Based on HST spectral observations of time-tag mode and numerical simulations, we estimate the age of auroral signatures of plasma injections. [less ▲]

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See detailOccurrence of anthropogenic particles in the fish Squalius cephalus from the Seine and Marne Rivers
Collard, France ULiege; Gasperi, Johnny; Gilbert, Bernard ULiege et al

Conference (2017, September)

Plastic pollution is a growing concern worldwide but was mainly focused on the marine environment. Few studies dealt with plastic pollution in lakes and rivers and the associated biota. In our study, we ... [more ▼]

Plastic pollution is a growing concern worldwide but was mainly focused on the marine environment. Few studies dealt with plastic pollution in lakes and rivers and the associated biota. In our study, we aimed to evaluate plastic occurrence in three target tissues (stomach contents, liver and muscle) of a wild freshwater fish (the chub Squalius cephalus) in the Seine and Marne Rivers. These rivers are under significant urban pressure with the Parisian conurbation (about 8 million of inhabitants) and low water flows. Several stations were sampled upstream and downstream of Paris conurbation. Fish were dissected and the three tissues were degraded using previous validated protocol. Particles were isolated and were then analyzed by Raman spectroscopy. Preliminary results showed that plastic particles and other anthropogenic particles such as textile fibers were found in several guts at different stations. Observed fibers were made of plastic polymer, such as polyethylene terephthalate or polypropylene, or were probably cellulose, dyed with artificial pigments. Our preliminary results confirmed that S. cephalus ingested microplastics, mainly fibers, probably because of the contamination of the river water column. [less ▲]

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