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See detailN + omega decay of baryons in a flux tube breaking mechanism
Stancu, Floarea ULiege; Stassart, Pierre ULiege

in Physical Review. D, Particles and Fields (1993), D47

We present a calculation of the N+omega decay widths of the N = 2 band baryon resonances using a flux-tube-breaking mechanism and treating the emitted meson as a finite size particle. The results are ... [more ▼]

We present a calculation of the N+omega decay widths of the N = 2 band baryon resonances using a flux-tube-breaking mechanism and treating the emitted meson as a finite size particle. The results are compared with those of derived by Koniuk from a point-like vector emission model. [less ▲]

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See detailN + rho decay of baryons
Stassart, Pierre ULiege; Stancu, Floarea ULiege

in Proceedings of the International Workshop XVIII on Gross Properties of Nuclei and Nuclear Excitations (1990)

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See detailN + rho decay of baryons in a flux tube breaking mechanism
Stassart, Pierre ULiege; Stancu, Floarea ULiege

in Physical Review. D, Particles and Fields (1990), D42

A flux-tube-breaking mechanism motivated by QCD is extended to the analysis of the decay of non-strange resonances into N + rho. A proper threshold behaviour is obtained by taking into account the ... [more ▼]

A flux-tube-breaking mechanism motivated by QCD is extended to the analysis of the decay of non-strange resonances into N + rho. A proper threshold behaviour is obtained by taking into account the instability of the rho meson. The only parameter of the model has previously been fixed to adjust the decay of Delta into N + pi. We find a good agreement with the few available data and make predictions for many other resonances where data are needed. [less ▲]

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See detailn < 2 Allowed Transitions in Neutral Sulfur within in the Visible and Infrared Spectral Ranges
Biémont, Emile ULiege; Quinet, Pascal ULiege; Zeippen, C. J.

in Astronomy and Astrophysics. Supplement Series (1993), 102

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See detail"N comme cornichon" : pas même un pastiche
Demoulin, Laurent ULiege

E-print/Working paper (2014)

Analyse des pastiches du personnage de Spirou présents dans la bande dessinée intitulée "N comme cornichon", que l'on doit à Charlie Schlingo (scénario) et à Stéphane Rosse (dessin).

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See detailN content of phloem and xylem exudates during the transition to flowering in Sinapis alba and Arabidopsis thaliana
Corbesier, Laurent; Havelange, Andrée ULiege; Lejeune, Pierre ULiege et al

in Plant, Cell and Environment (2001), 24

The involvement of nitrogenous substances in the transition to flowering was investigated in Sinapis alba and Arabidopsis thaliana (Columbia). Both species grown in short days (SD) are induced to flower ... [more ▼]

The involvement of nitrogenous substances in the transition to flowering was investigated in Sinapis alba and Arabidopsis thaliana (Columbia). Both species grown in short days (SD) are induced to flower by one long day (LD). In S. alba, the phloem sap (leaf and apical exudates) and the xylem sap (root exudate) were analysed in LD versus SD. In A. thaliana, only the leaf exudate could be analysed but an alternative system for inducing flowering without day-length extension was used: the displaced SD (DSD). Significant results are: (i) in both species, the leaf exudate was enriched in Gln during the inductive LD, at a time compatible with export of the floral stimulus; (ii) in S. alba, the root export of amino acids decreased in LD, whereas the nitrate remained unchanged - thus the extra-Gln found in the leaf exudate should originate from the leaves; (iii) extra-Gln was also found very early in the apical exudate of S. alba in LD, together with more Glu; (iv) in A. thaliana induced by one DSD, the leaf export of Asn increased sharply, instead of Gln in LD. This agrees with Asn prevalence in C-limited plants. The putative role of amino acids in the transition to flowering is discussed. [less ▲]

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See detailN N scattering phase shifts in a chiral constituent quark model
Bartz, Daniel ULiege; Stancu, Floarea ULiege

in Nuclear Physics A (2001), A688

We study the nucleon-nucleon interaction within a chiral constituent quark model which reproduces succesfully the baryon spectra. We calculate the $^3S_1$ and $^1S_0$ phase shifts by using the resonating ... [more ▼]

We study the nucleon-nucleon interaction within a chiral constituent quark model which reproduces succesfully the baryon spectra. We calculate the $^3S_1$ and $^1S_0$ phase shifts by using the resonating group method. They clearly indicate the presence of a strong repulsive interaction at short distance, due to the spin-flavour symmetry of the quark-quark interaction and of the quark interchange between the two interacting nucleons. A $\sigma$-meson exchange quark-quark interaction, providing a medium-range attraction, helps to get closer to the experimental phase shifts. [less ▲]

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See detail« N’oubliez jamais que vous parlez à un avocat ». État, justice et économie de l’intermédiation judiciaire à Cotonou
Andreetta, Sophie ULiege

in Politique Africaine (2018), (149),

«Never Forget that you Are Speaking to a Barrister». State, Courts and the Economy of Judicial Intermediation in CotonouBased on biographical interviews and observations, this paper looks at barristers’ ... [more ▼]

«Never Forget that you Are Speaking to a Barrister». State, Courts and the Economy of Judicial Intermediation in CotonouBased on biographical interviews and observations, this paper looks at barristers’ professional paths and everyday practices in Cotonou. It draws on the ethnography of African public services, the sociology of professions and the anthropology of law literature in order to analyse the social and political construction of the Beninese bar association, as well as the effects of public service reforms on barristers’ relationships to the judiciary and on their interactions with clients. It eventually explores the role of the service professions in the functioning of public services, the manner in which they are perceived by litigants and the consequences of these on how justice is both perceived and “produced” on a daily basis. [less ▲]

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See detailThe N- and C-termini of the tricarboxylate carrier are exposed to the cytoplasmic side of the inner mitochondrial membrane.
Capobianco, L.; Bisaccia, F.; Michel, A. et al

in FEBS Letters (1995), 357

Polyclonal antibodies were raised in rabbits against two synthetic peptides corresponding to the N- and C-terminal regions of the rat-liver mitochondrial tricarboxylate carrier. ELISA tests performed with ... [more ▼]

Polyclonal antibodies were raised in rabbits against two synthetic peptides corresponding to the N- and C-terminal regions of the rat-liver mitochondrial tricarboxylate carrier. ELISA tests performed with intact and permeabilized rat-liver mitoplasts showed that both anti-N-terminal and anti-C-terminal antibodies bind only to the cytoplasmic surface of the inner membrane, indicating that both termini of the membrane-bound tricarboxylate carrier are exposed to the mitochondrial intermembrane space. Furthermore, tryptic digestion of intact mitoplasts markedly decreased the binding of anti-N-terminal and anti-C-terminal antibodies to the tricarboxylate carrier. These results are consistent with an arrangement of the tricarboxylate carrier monomer into an even number of transmembrane segments, with the N- and C-termini protruding toward the cytosol. [less ▲]

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See detailN-(3-Phenoxy-4-pyridinio)methanesulfonamidate
Michaux, C.; Charlier, C.; Julémont, F. et al

in Acta Crystallographica (2002)

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See detailN-acetylcysteine lacks universal inhibitory activity against influenza A viruses.
Garigliany, Mutien-Marie ULiege; Desmecht, Daniel ULiege

in Journal of negative results in biomedicine (2011), 10(1), 5

ABSTRACT: N-acetylcysteine (NAC) has been recently proposed as an adjuvant therapeutic drug for influenza pneumonia in humans. This proposal is based on its ability to restrict influenza virus replication ... [more ▼]

ABSTRACT: N-acetylcysteine (NAC) has been recently proposed as an adjuvant therapeutic drug for influenza pneumonia in humans. This proposal is based on its ability to restrict influenza virus replication in vitro and to attenuate the severity of the disease in mouse models. Although available studies were made with different viruses (human and avian), published information related to the anti-influenza spectrum of NAC is scarce. In this study, we show that NAC is unable to alter the course of a fatal influenza pneumonia caused by inoculation of a murinized swine H1N1 influenza virus. NAC was indeed able to inhibit the swine virus in vitro but far less than reported for other strains. Therefore, susceptibility of influenza viruses to NAC appears to be strain-dependent, suggesting that it cannot be considered as a universal treatment for influenza pneumonia. [less ▲]

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See detailN-Acetylcysteine: An Old Drug With Variable Anti-Influenza Properties
Casanova Bustos, Tomas Ronaldo ULiege; Garigliany, Mutien-Marie ULiege

in Journal of Controversies in Biomedical Research (2016)

N-acetylcysteine (NAC) is a mucolytic drug commonly used as an adjuvant therapy in patients with respiratory conditions associated with excessive mucus production. NAC also has anti-oxidant activities ... [more ▼]

N-acetylcysteine (NAC) is a mucolytic drug commonly used as an adjuvant therapy in patients with respiratory conditions associated with excessive mucus production. NAC also has anti-oxidant activities that proved useful in the management of oxidative stress. These anti-oxidant capacities of NAC are mostly indirect, via a pro-glutathione effect where NAC provides L-cysteine residues required for glutathione synthesis. This activity is thought to be the basis for the protective effect of NAC administration in influenza patients and in mouse models of the disease. NAC was shown to limit lung inflammation, damage associated with the virus, and viral growth, at least in vitro. However, the anti-viral activity was highly variable depending on the influenza A strain. The reasons for these inter-strain variations are still unknown, but might be related to the level of nuclear factor-κB activation required for the virus to achieve its infectious cycle. [less ▲]

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See detailN-Aryl-N'-(chroman-4-yl)ureas and thioureas display in vitro anticancer activity and selectivity on apoptosis-resistant glioblastoma cells: screening, synthesis of simplified derivatives, and structure-activity relationship analysis.
Goffin, Eric ULiege; Lamoral-Theys, Delphine; Tajeddine, Nicolas et al

in European Journal of Medicinal Chemistry (2012), 54

A series of chroman derivatives previously reported as potassium channel openers, as well as some newly synthesized simplified structures, were examined for their in vitro effects on the growth of three ... [more ▼]

A series of chroman derivatives previously reported as potassium channel openers, as well as some newly synthesized simplified structures, were examined for their in vitro effects on the growth of three human high-grade glioma cell lines: U373, T98G, and Hs683. Significant in vitro growth inhibitory activity was observed with 2,2-dimethylchroman-type nitro-substituted phenylthioureas, such as compounds 4o and 4p. Interestingly, most tested phenylureas were found to be slightly less active, but more cell selective (normal versus tumor glial cells, such as 3d, 3e, and 3g), thus less toxic, than the corresponding phenylthioureas. No significant differences were observed in terms of chroman-derivative-induced growth inhibitory effects between glioma cells sensitive to pro-apoptotic stimuli (Hs683 glioma cells) and glioma cells associated with various levels of resistance to pro-apoptotic stimuli (U373 and T98G glioma cells), a feature that suggests non-apoptotic-mediated growth inhibition. Flow cytometry analyses confirmed the absence of pro-apoptotic effects for phenylthioureas and phenylureas when analyzed in U373 glioma cells and demonstrated U373 cell cycle arrest in the G0/G1 phase. Computer-assisted phase-contrast videomicroscopy revealed that 3d and 3g displayed cytostatic effects, while 3e displayed cytotoxic ones. As a result, this work identified phenylurea-type 2,2-dimethylchromans as a new class of antitumor agents to be further explored for an innovative therapeutic approach for high-grade glioma and/or for a possible new mechanism of action. [less ▲]

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See detailN-Glycosylation of an IgG antibody secreted by Nicotiana tabacum BY-2 cells can be modulated through co-expression of human β-1,4-galactosyltransferase
Navarre, Catherine; Smargiasso, Nicolas ULiege; Duvivier, Laurent et al

in Transgenic Research (2017), 26(3), 375-384

Nicotiana tabacum BY-2 suspension cells have several advantages that make them suitable for the production of full-size monoclonal antibodies which can be purified directly from the culture medium ... [more ▼]

Nicotiana tabacum BY-2 suspension cells have several advantages that make them suitable for the production of full-size monoclonal antibodies which can be purified directly from the culture medium. Carbohydrate characterization of an antibody (Lo-BM2) expressed in N. tabacum BY-2 cells showed that the purified Lo-BM2 displays N-glycan homogeneity with a high proportion (>70%) of the complex GnGnXF glycoform. The stable co-expression of a human β-1,4-galactosyltransferase targeted to different Golgi sub-compartments altered Lo-BM2N-glycosylation and resulted in the production of an antibody that exhibited either hybrid structures containing a low abundance of the plant epitopes (α-1,3-fucose and β-1,2-xylose), or a large amount of galactose-extended N-glycan structures. These results demonstrate the suitability of stable N-glycoengineered N. tabacum BY-2 cell lines for the production of human-like antibodies. © 2017, Springer International Publishing Switzerland. [less ▲]

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See detailN-heterocyclic carbene catalyzed carba-, sulfa-, and phospha-Michael additions with NHC·CO2 adducts as precatalysts
Hans, Morgan ULiege; Delaude, Lionel ULiege; Rodriguez, Jean et al

in Journal of Organic Chemistry (2014), 79(6), 2758-2764

N-heterocyclic carbene catalyzed Michael additions have been revisited with 1,3-dialkyl- or 1,3-diarylimidazol(in)ium-2-carboxylates, that is, NHC·CO2 adducts, as the source of the free NHC catalysts in ... [more ▼]

N-heterocyclic carbene catalyzed Michael additions have been revisited with 1,3-dialkyl- or 1,3-diarylimidazol(in)ium-2-carboxylates, that is, NHC·CO2 adducts, as the source of the free NHC catalysts in solution. Using these precatalysts, a number of efficient carba-, sulfa-, and phospha-Michael additions were achieved very conveniently, without the need for an external strong base to generate the NHC by deprotonation of an azolium salt. To further expand the scope of the procedure, some NHC-catalyzed sulfa-Michael/aldol organocascades were also investigated. [less ▲]

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See detailN-heterocyclic carbene ruthenium complexes: Synthesis and catalytic properties
Dragutan, Ileana; Dragutan, Valerian; Delaude, Lionel ULiege et al

in Revue Roumaine de Chimie (2007), 52(11), 1013-1025

Synthesis of imidazol(in)-2-ylidene ruthenium complexes relevant for metathesis and related catalytic processes is described. As an attractive alternative of importance for practical applications, the in ... [more ▼]

Synthesis of imidazol(in)-2-ylidene ruthenium complexes relevant for metathesis and related catalytic processes is described. As an attractive alternative of importance for practical applications, the in situ generation of new NHC ruthenium precatalysts, starting from the easily accessible imidazolium and imidazolinium salts, ruthenium dimer [RuCl2(p-cymene)](2) and a base, is reported in detail. The new NHC family of ruthenium complexes offers great promise as metathesis precatalysts enjoying a wide application profile in organic and polymer synthesis. [less ▲]

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See detailN-Heterocyclic carbene-based ruthenium-hydride catalysts for the synthesis of unsymmetrically functionalized double-decker silsesquioxanes
Zak, Patrycja; Delaude, Lionel ULiege; Dudziec, Beata et al

in Chemical Communications (2018), 54(34), 4306-4309

Ruthenium-N-heterocyclic carbene complexes with the generic formula [RuHCl(CO)(NHC)(PCy3)] exhibit a high catalytic activity toward the (E)-selective silylative coupling of divinyl-substituted double ... [more ▼]

Ruthenium-N-heterocyclic carbene complexes with the generic formula [RuHCl(CO)(NHC)(PCy3)] exhibit a high catalytic activity toward the (E)-selective silylative coupling of divinyl-substituted double-decker silsesquioxanes with two distinctly substituted styrenes. This process leads to a novel class of unsymmetrically functionalized silsesquioxane derivatives. [less ▲]

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