  | Goumbri, W. B., Jansen, O., Djang’eing’a, R. M., Frederich, M., Semdé, R., Somé, T. I., Danthine, S., & Mouithys-Mickalad, A. (18 March 2025). Effects of Crude Shea Butters and Their Polar Extracts on Singlet Oxygen Quenching and Against Rose Bengal-Induced HaCaT Cell Phototoxicity. Molecules, 30 (6), 1360. doi:10.3390/molecules30061360  Peer Reviewed verified by ORBi |
Hamann, C., Jansen, O., Lhonneux, L., Jullien, K., Ledoux, A., Maquoi, E., & Frederich, M. (29 January 2025). Cannabinoid-Terpene Synergies: Insights from SynergyFinder+ software and potential for triple-negative breast cancer cells [Paper presentation]. CIRM day 2025. Editorial reviewed |
 | Lahngong, M. S., Loe, G., Jansen, O., Ledoux, A., Palmaerts, B., Mamede, L., Boussif, N., Bonnet, O., Enone, B., Noukimi, S., Nchang, A., Demeyer, K., Robert, A., Ghogomu, S., Souopgui, J., Hallot, E., & Frederich, M. (28 January 2025). Exploring the Phytochemical Diversity and Anti-Plasmodial Potential of Artemisia annua and Artemisia afra from Different Geographical Locations in Cameroon. Molecules, 30 (3), 596. doi:10.3390/molecules30030596 Peer Reviewed verified by ORBi |
Lahngong, M. S., Ledoux, A., Jansen, O., & Frederich, M. (2025). Effect of Seasonal and Geographical Location on the Secondary Metabolite Contents of Artemisia annua and Artemisia afra. Anti-plasmodial Properties [Paper presentation]. AFERP Young Researchers Seminar. |
 | Mamede, L., Rangel, G. W., Lahngong, M. S., Boussif, N., Herent, M.-F., Govaerts, B., Jansen, O., Ledoux, A., De Tullio, P., Quetin-Leclercq, J., Llinás, M., & Frederich, M. (2025). Metabolite profiling of Artemisia afra and Artemisia annua extracts reveals divergent effects on Plasmodium falciparum. Phytomedicine, 156361. doi:10.1016/j.phymed.2025.156361 Peer Reviewed verified by ORBi |
Mamede, L., Gabriel W. Rangel, Lahngong, M. S., Marie-France Herent, Naima Boussif, Jansen, O., Ledoux, A., De Tullio, P., Govaerts, B., Quetin-Leclercq, J., Llinas, M., & Frederich, M. (2025). METABOLITE PROFILING OF Artemisia afra AND Artemisia annua EXTRACTS REVEALS DIVERGENT EFFECTS ON Plasmodium falciparum [Paper presentation]. Belgian Society of Pharmaceutical Sciences (BSPS) forum 2025. |
 | DEVILLE, M., Jansen, O., Frederich, M., & Charlier, C. (02 September 2024). Nature is rich: types of (il)legal samples seized at spiritual retreat centers [Poster presentation]. 61st Annual Conference of the International Association of Forensic Toxicologits (TIAFT), St Gallen, Switzerland. Peer reviewed |
 | Lahngong, M. S., Ledoux, A., Jansen, O., Palmaerts, B., kristiaan demeyer, Ghogomu M. Stephen, Souopgui Jacob, Gisele Etame Loe, Hallot, E., & Frederich, M. (17 July 2024). Effect of season and geographical location on the secondary metabolite contents and antiplasmodial properties of Artemisia afra and Artemisia annua from different geographical locations in Cameroon [Poster presentation]. International congress on Natural product research. Peer reviewed |
  | Hamann, C., Jansen, O., Jullien, K., Ledoux, A., Maquoi, E., & Frederich, M. (2024). Exploring synergies between hemp cannabinoids and β-caryophyllene on triple-negative breast cancer cell line. Phytochemistry Letters. Peer Reviewed verified by ORBi |
 | Hamann, C., Jansen, O., Djabrailova, D., Sacre, P.-Y., Bafort, F., Ledoux, A., & Frederich, M. (31 January 2024). The crucial role of drying conditions in hemp flowers: Effects on cannabinoid decarboxylation and terpene profile in extracts [Paper presentation]. CIRM day 2024, Liège, Belgium. Peer reviewed |
 | Hamann, C., Jullien, K., Jansen, O., Bafort, F., Libault, A., Marotte, A., Leka, K., Ledoux, A., & Frederich, M. (July 2023). Comparison of cannabinoids and terpenes profiles of different hemp extracts obtained from Felina and Santhica varieties cultivated in Belgium [Poster presentation]. 71th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA), Dublin, Ireland. Editorial reviewed |
 | Ledoux, A., Leka, K., Jansen, O., Bonnet, O., Hamann, C., Angenot, L., Garigliany, M.-M., & Frederich, M. (July 2023). Exploring the antiviral activity of flavonoids from Strychnos variabilis leaves against SARS-CoV-2. Planta Medica, 89 (14), 1421. Peer Reviewed verified by ORBi |
 | Lahngong, M. S., Loe, G. E., Jansen, O., Coelho Cristino Mamede, L. C., Ledoux, A., Noukimi, S. F., Abenwie, S. N., Ghogomu, S. M., Souopgui, J., Robert, A., Demeyer, K., & Frederich, M. (29 April 2023). Secondary Metabolites Isolated from Artemisia afra and Artemisia annua and Their Anti-Malarial, Anti-Inflammatory and Immunomodulating Properties—Pharmacokinetics and Pharmacodynamics: A Review. Metabolites, 13 (5), 613. doi:10.3390/metabo13050613 Peer Reviewed verified by ORBi |
Lahngong, M. S., Gisele Etame Loe, Ledoux, A., Jansen, O., Souopgui Jacob, Stephen M Ghogomu, & Frederich, M. (19 April 2023). Antimalaria Properties and Toxicity of Extracts of Artemisia annua, Artemisia afra, Hibiscus sabdariffa and Extract Combinations. Development of Galenic Formulation [Paper presentation]. Malaria symposium: Malaria control, prevention and treatment; from the laboratory to the population. |
 | Hamann, C., Jansen, O., Desdemoustier, P., Ledoux, A., Maquoi, E., & Frederich, M. (28 August 2022). Characterization of the type of interaction between terpenoids and cannabinoids compounds of hemp plant against MDA-MB-231 cancer-cells by isobologram analyses [Poster presentation]. 70th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA), Thessalonique, Greece. Peer reviewed |
 | Hamann, C., Jansen, O., Desdemoustier, P., Marotte, A., Bonnet, O., Maquoi, E., & Frederich, M. (02 February 2022). Preliminary study of the phytochemical composition and biological activity of 5 varieties of hemp cultivated in Wallonia [Poster presentation]. CIRMDay2022. |
 | Danthine, S., Aman, P., Jansen, O., Ducrey, A., Richel, A., Lognay, G., Maesen, P., Mutwale Kapepula, P., Mouithys-Mickalad, A., Franck, T., & Frederich, M. (2022). Prunella vulgaris L. seeds: a promising source of lipids, proteins, and original phenolic compounds presenting high antioxidant and anti-inflammatory activity. Biotechnologie, Agronomie, Société et Environnement, 26 (1), 1-15. doi:10.25518/1780-4507.19412 Peer Reviewed verified by ORBi |
 | Ledoux, A., Bériot, D., Coelho Cristino Mamede, L. C., Desdemoustier, P., Detroz, F., Jansen, O., Frederich, M., & Maquoi, E. (2021). Cytotoxicity of Poupartone B, an Alkyl Cyclohexenone Derivative from Poupartia borbonica, against Human Cancer Cell Lines. Planta Medica. doi:10.1055/a-1532-2384 Peer Reviewed verified by ORBi |
 | Tomani, J. C. D., Bonnet, O., Nyirimigabo, A., Deschamps, W., Tchinda, A. T., Jansen, O., Ledoux, A., Mukazayire, M.-J., Vanhamme, L., Frederich, M., Muganga, R., & Souopgui, J. (10 May 2021). In Vitro Antiplasmodial and Cytotoxic Activities of Compounds from the Roots of Eriosema montanum Baker f. (Fabaceae). Molecules, 26 (9), 2795. doi:10.3390/molecules26092795 Peer Reviewed verified by ORBi |
 | Kowa, T., Jansen, O., Ledoux, A., Coelho Cristino Mamede, L. C., Wabo, H., Tchinda Tiabou, A., Genta-Jouve, G., & Frederich, M. (2021). Bioassay-guided isolation of vilasinin–type limonoids and phenyl alkene from the leaves of Trichilia gilgiana and their antiplasmodial activities. Natural Product Research. doi:10.1080/14786419.2021.1920017 Peer Reviewed verified by ORBi |
 | Kagisha, V., Marini Djang'Eing'A, R., Muganga, R., Bonnet, O., Tchinda, A. T., Jansen, O., Tomani, J. C., Ranarivelo, N., Ledoux, A., Nyirimigabo, A., & Frederich, M. (2021). Pentas longiflora Oliv. (Rubiaceae), a plant used in the treatment of Pityriasis Versicolor in Rwanda: Chemical composition and standardization of leaves and roots. Fitoterapia, 153, 104974. doi:10.1016/j.fitote.2021.104974 Peer Reviewed verified by ORBi |
 | Kagisha, V., Frederich, M., Ledoux, A., Jansen, O., NYIRIMIGABO, A., MUGANGA, R., & Marini Djang'Eing'A, R. (10 June 2020). HPLC-UV Method for Standardization of Neorautanenia mitis, an African Plant Used in an Anti-Scabies Ointment. Revista Brasileira de Farmacognosia, 30 (4), 582-587. doi:10.1007/s43450-020-00070-0 Peer reviewed |
 | Ledoux, A., Coelho Cristino Mamede, L. C., Palazzo, C., Furst, T., Jansen, O., De Tullio, P., Kagisha, V., Pendeville-Samain, H., Fillet, M., Piel, G., & Frederich, M. (18 May 2020). Heparin-Coated Liposomes Improve Antiplasmodial Activity and Reduce the Toxicity of Poupartone B. Planta Medica International Open, 7 (e), 73–80. doi:10.1055/a-1158-0569 Peer Reviewed verified by ORBi |
Jansen, O., & Ledoux, A. (2020). L'aromathérapie: potentialités et limites [Paper presentation]. Conférence Uliège: saison 2019-2020, module 2: la phytothérapie, Verviers, Belgium. |
Ledoux, A., & Jansen, O. (2020). La découverte de médicaments antipaludiques dans les plantes utilisées en médecine traditionnelle [Paper presentation]. Conférence Uliège: saison 2019-2020, module 2: la phytothérapie, Verviers, Belgium. |
 | Tomani, J. C. D., Kagisha, V., Tchinda, A. T., Jansen, O., Ledoux, A., Vanhamme, L., Frederich, M., Muganga, R., & Souopgui, J. (2020). The Inhibition of NLRP3 Inflammasome and IL-6 Production by Hibiscus noldeae Baker f. Derived Constituents Provides a Link to Its Anti-Inflammatory Therapeutic Potentials. Molecules, 25 (20), 4693. doi:10.3390/molecules25204693 Peer Reviewed verified by ORBi |
 | Hermans, M., Lempereur, P., Salembier, J.-P., MAES, N., Albert, A., Jansen, O., & PINCEMAIL, J. (2020). Supplementation Effect of a Combination of Olive (Olea europea L.) Leaf and Fruit Extracts in the Clinical Management of Hypertension and Metabolic Syndrome. Antioxidants, 9, 872. doi:10.3390/antiox9090872 Peer Reviewed verified by ORBi |
 | Coelho Cristino Mamede, L. C., Ledoux, A., Jansen, O., & Frederich, M. (2020). Natural Phenolic Compounds and Derivatives as Potential Antimalarial Agents. Planta Medica, 86 (9), 585-618. doi:10.1055/a-1148-9000 Peer Reviewed verified by ORBi |
 | Jansen, O., Desdemoustier, P., Ledoux, A., Marotte, A., DJIERRO, K., Hamann, C., & Frederich, M. (August 2019). SCREENING OF 25 EUPHORBIACEAE FOR THEIR IN VITRO ANTIPLASMODIAL PROPERTIES [Poster presentation]. Natural Products in Drug Discovery and Human Health, LISBONNE, Portugal. Editorial reviewed |
 | Kagisha, V., Frederich, M., Marini Djang'Eing'A, R., MUGANGA, R., Ledoux, A., Jansen, O., & katembezi, A. (17 May 2019). ESTABLISHMENT AND VALIDATION OF CHROMATOGRAPHIC METHODS FOR STANDARDIZATION OF NEORAUTANENIA MITIS, A MEDICINAL PLANT USED IN AN ANTI-SCABIES OINTMENT IN RWANDA [Poster presentation]. 4e' edition du Phytoday, Bruxelles, Belgium. |
 | Ledoux, A., Coelho Cristino Mamede, L. C., Jansen, O., Desdemoustier, P., Palazzo, C., Hamann, C., Piel, G., & Frederich, M. (17 May 2019). Natural compound-containing liposomes: a strategy for targeted activities toward artemisinin-resistant Plasmodium falciparum isolate [Poster presentation]. 4th Phytoday, Belgium. Peer reviewed |
 | Jansen, O., Desdemoustier, P., Maquoi, E., Marotte, A., DJIERRO, K., & Hamann, C. (17 May 2019). Screening of 25 Euphorbiaceae for their in vitro cytotoxic activity against two cancer cell lines [Poster presentation]. Phytoday 2019, BRUXELLES, Belgium. Editorial reviewed |
| Degotte, G., Alson, S., Hans, A., Jansen, O., Cieckiewicz, E., Rakotoarimanana, H., Rafatro, H., Randimbivololona, F., Francotte, P., & Frederich, M. (2019). Antiplasmodial activity of polyphenolic derivatives. Pharmaceuticals. Peer Reviewed verified by ORBi |
 | Gianfrancesco, M., Dehairs, J., L'homme, L., Herinckxe, G., Esser, N., Jansen, O., Habraken, Y., Lassence, C., Swinnen, J., Rider, M., Piette, J., PAQUOT, N., & Legrand, S. (April 2019). Saturated fatty acids induce NLRP3 activation in human macrophages through K+ efflux resulting from phospholipid saturation and Na, K-ATPase disruption. BBA - Molecular and Cell Biology of Lipids, 1864, 1017–1030. doi:10.1016/j.bbalip.2019.04.001 Peer reviewed |
 | Mahadeo, K., Herbette, G., Grondin, I., Jansen, O., Kodja, H., Soulange, J., Jhaumeer-Laulloo, S., Clerc, P., Gauvin-Bialecki, A., & Frederich, M. (2019). Antiplasmodial Diterpenoids from Psiadia arguta. Journal of Natural Products, 82 (5), 1261-1266. doi:10.1021/acs.jnatprod.8b00698 Peer Reviewed verified by ORBi |
 | Huang, Y., Jansen, O., Frederich, M., Mouithys-Mickalad, A., Nys, G., Servais, A.-C., Crommen, J., Jiang, Z., & Fillet, M. (2019). Capillary electrophoresis, high-performance liquid chromatography, and thin-layer chromatography analyses of phenolic compounds from rapeseed plants and evaluation of their antioxidant activity. Journal of Separation Science, 1-10. doi:10.1002/jssc.201800712 Peer Reviewed verified by ORBi |
| Coelho Cristino Mamede, L. C., Ledoux, A., Desdemoustier, P., Jansen, O., Piel, G., Fillet, M., De Tullio, P., & Frederich, M. (19 December 2018). Quantitative analysis of a natural compound and heparin by HPLC-DAD and 1H NMR for the characterization of a liposomal formulation [Poster presentation]. The first CIRM scientific Day, Liège, Belgium. |
 | Degotte, G., Halleux, A., Hans, A., Jansen, O., Ledoux, A., Desdemoustier, P., Pirotte, B., Francotte, P., & Frederich, M. (December 2018). Preparation of ellagic acid derivatives through a total synthesis approach to improve bioavailability [Poster presentation]. 1st CIRM Day, Liège, Belgium. |
 | Degotte, G., Francotte, P., Frederich, M., Halleux, A., Hans, A., Jansen, O., Ledoux, A., Desdemoustier, P., & Pirotte, B. (November 2018). Pharmacomodulation of ellagic acid, a promising antiplasmodial agent, to improve its bioavailability [Poster presentation]. 30th International Symposium on the Chemistry of Natural Products and the 10th International Conference on Biodiversity, Athens, Greece. |
 | Coelho Cristino Mamede, L. C., Degotte, G., Ledoux, A., Jansen, O., Desdemoustier, P., & Frederich, M. (November 2018). Antiplasmodial activity and interaction between cannabidiol and artemisinin [Poster presentation]. 30th International Symposium on the Chemistry of Natural Products and the 10th International Conference on Biodiversity, Athens, Greece. |
 | Beaufay, C., Ledoux, A., Frederich, M., Quetin-Leclercq, J., Zhao, S., Teijaro, C., Andrade, R., & Jansen, O. (July 2018). Antimalarial and antitrypanosomal activity of strychnogucine B, a bisindole alkaloid from Strychnos icaja [Poster presentation]. 3eme symposium international AFERP STOLON. |
| Degotte, G., Alson, S. G., Hans, A., Jansen, O., Cieckiewicz, E., Rakotoarimanana, H., Rafatro, H., Randimbivololona, F., Francotte, P., & Frederich, M. (12 June 2018). Antiplasmodial activity of polyphenolic derivatives [Poster presentation]. 32èmes Journées Franco-Belges de Chimie Thérapeutique et 26èmes Conférences Européennes des Pharmacochimistes de l'Arc Atlantique, Asnelles sur mer, France. |
 | Ledoux, A., Coelho Cristino Mamede, L. C., Jansen, O., Hae Choi, Y., & Frederich, M. (23 May 2018). NMR Metabolomic analysis as a tool to identify antiplasmodial compounds in Poupartia borbonica extracts [Poster presentation]. 11èmes journées scientifiques du RFMF, Liège, Belgium. |
 | Beaufays, C.* , Ledoux, A.* , Jansen, O., bordignon, A., Zhao, S., Teijaro, C., Andrade, R., Quetin-Leclercq, J., & Frederich, M. (2018). In vivo antimalarial and antitrypanosomal activity of strychnogucine B, a bisindole alkaloid from Strychnos icaja. Planta Medica, 84, 881-885. doi:10.1055/a-0644-2723 Peer Reviewed verified by ORBi* These authors have contributed equally to this work. |
 | Alson, S. G., Jansen, O., Cieckiewicz, E., Rakotoarimanana, H., Rafatro, H., Degotte, G., Francotte, P., & Frederich, M. (2018). In-vitro and in-vivo antimalarial activity of caffeic acid and some of its derivatives. Journal of Pharmacy and Pharmacology, 70 (10), 1349-1356. doi:10.1111/jphp.12982 Peer Reviewed verified by ORBi |
 | Ledoux, A., Cao, M., Jansen, O., Coelho Cristino Mamede, L. C., Campos, P.-E., Payet, B., Clerc, P., Grondin, I., Girard-Valenciennes, E., Hermann, T., Litaudon, M., Vanderheydt, C., Delang, L., Neyts, J., Leyssen, P., Frederich, M., & Smadja, J. (2018). Antiplasmodial, Anti-chikungunya virus and Antioxidant Activities of 64 endemic Plants from the Mascarene Islands. International Journal of Antimicrobial Agents, 52 (5), 622-628. doi:10.1016/j.ijantimicag.2018.07.017 Peer Reviewed verified by ORBi |
 | Mavungu Landu, D. J., Mbuyi Kaluka Tshibanda, J., Dasnoy, C., Gretry, L., Mikobi Mikobi, C., Kayembe, J. M., Longo Mbenza, B., Marini Djang'Eing'A, R., Hubert, P., Reginster, J.-Y., Michel, B., Manzambi Kuwekita, J., Jansen, O., & Frederich, M. (10 November 2017). Processus d’intégration de la Médecine traditionnelle dans le système national de soins de la République Démocratique du Congo : Cas de trois zones de santé de Kinshasa [Paper presentation]. Médecines en Afrique, entre tradition et modernité, Liège, Belgium. |
 | Tshisekedi Tshibangu, P., Mutwale Kapepula, P., Kabongo Kapinga, M. J., Tujibikila Mukuta, A., Kalenda, D. T., Tchinda, A. T., Mouithys-Mickalad, A., Jansen, O., Cieckiewicz, E., Tits, M., Angenot, L., & Frederich, M. (2017). Antiplasmodial activity of Heinsia crinita (Rubiaceae) and identification of new iridoids. Journal of Ethnopharmacology, 196, 261-266. doi:10.1016/j.jep.2016.11.041 Peer Reviewed verified by ORBi |
 | Gianfrancesco, M., Dehairs, J., Bloch, K., L’homme, L., Jansen, O., Frederich, M., Piette, J., Swinnen, J., Paquot, N., Esser, N., & Legrand, S. (2017). Implication du remodelage de la membrane plasmique par les acides gras dans la régulation de l’activité de l’inflammasome NLRP3 dans des macrophages humains. Nutrition Clinique et Metabolisme, 31 (3), 255. doi:10.1016/j.nupar.2017.06.002 Peer Reviewed verified by ORBi |
 | Ledoux, A., St-Gelais, A., Cieckiewicz, E., Jansen, O., Bordignon, A., Illien, B., Di Giovanni, N., Marvilliers, A., Hoareau, F., Pendeville-Samain, H., Leclercq, J., & Frederich, M. (2017). Antimalarial Activities of Alkyl Cyclohexenone Derivatives Isolated from the Leaves of Poupartia borbonica. Journal of Natural Products, 80 (6), 1750-1757. doi:10.1021/acs.jnatprod.6b01019 Peer Reviewed verified by ORBi |
 | Jansen, O., Tchinda, A. T., Loua, J., Esters, V., Cieckiewicz, E., Ledoux, A., Toukam, P. D., Angenot, L., Tits, M., Balde, A. M., & Frederich, M. (2017). Antiplasmodial activity of Mezoneuron benthamianum leaves and identification of its active constituents. Journal of Ethnopharmacology, 203 (March), 20-26. doi:10.1016/j.jep.2017.03.021 Peer Reviewed verified by ORBi |
 | Paul, A., Danthine, S., Mutwale Kapepula, P., Jansen, O., Blecker, C., Heuskin, S., Mouithys-Mickalad, A., Franck, T., Lognay, G., & Frederich, M. (20 September 2016). Valorization of Seeds from Some Field Border Flowering Seeds [Poster presentation]. 14th Euro Fed Lipid Congress, Ghent, Belgium. Peer reviewed |
 | Tchinda Tiabou, A., Loua, J., Esters, V., Cieckiewicz, E., Ledoux, A., Angenot, L., Tits, M., Baldé, A. M., Frederich, M., & Jansen, O. (July 2016). Study of Mezoneuron benthamianum, a plant traditionally used against malaria in Guinea [Poster presentation]. 9th Joint Natural Products Conference 2016 Copenhagen, Copenhagen, Denmark. |
 | Ledoux, A., Jansen, O., St-Gelais, A., Cieckiewicz, E., Ielciu, I.-I., Bialecki, A., Bero, J., & Frederich, M. (July 2016). New antimalarial compounds isolated from Poupartia borbonica, a Mascarene Islands endemic plant. Planta Medica, 82 (S01), 1-S381. Peer Reviewed verified by ORBi |
 | Tshisekedi Tshibangu, P., Mutwale Kapepula, P., Kabongo Kapinga, M. J., Kabika Lupona, H., Kabamba Ngombe, N., Dibungi T. Kalenda, P., Jansen, O., Wauters, J.-N., Tits, M., Angenot, L., Rozet, E., Hubert, P., Marini Djang'Eing'A, R., & Frederich, M. (09 June 2016). Fingerprinting and validation of a LC-DAD method for the analysis of biflavanones in Garcinia kola-based antimalarial improved traditional medicines. Journal of Pharmaceutical and Biomedical Analysis, 128 (2016), 382-390. doi:10.1016/j.jpba.2016.04.042 Peer Reviewed verified by ORBi |
 | Bordignon, A., Cieckiewicz, E., Jansen, O., Ledoux, A., Campos, P.-E., Smaja, J., Quetin-Leclercq, J., & Frederich, M. (14 October 2015). Isolation, caracterisation and antiplasmodial activity evaluation of compounds from Reunion Island endemic plants [Poster presentation]. 2nd International conference on natural products utilization : from plants to pharmacy shelf (ICNPU), Plovdiv, Bulgaria. |
Frederich, M., Jansen, O., Muganga, R., & Kodja, H. (24 September 2015). Medicinal plants, malaria and biotechnology [Paper presentation]. Applied Biotechnology in Africa, Kigali, Rwanda. |
Frederich, M., & Jansen, O. (01 September 2015). Ethnopharmacologie et développement de nouveaux médicaments d’origine naturelle [Paper presentation]. Conférence à la Faculté de Pharmacie de l'Université de Ouagadougou. |
 | Bordignon, A., Cieckiewicz, E., Jansen, O., Ledoux, A., Campos, P.-E., Smaja, J., Quetin-Leclercq, & Frederich, M. (16 July 2015). Isolation and identification of potential antimalarial compounds from endemic plants of Reunion Island [Poster presentation]. 2ème symposium international AFERP-STOLON -Biodiversité et substances naturelles-, Lyon, France. |
Frederich, M., Jansen, O., Muganga, R., & Tchinda Tiabou, A. (12 July 2015). Ethnopharmacology and malaria in Africa [Paper presentation]. Traditional medicines: Science meets culture, Mons, Belgium. |
 | Ledoux, A., Jansen, O., Campos, P.-É., Grondin, I., Smadja, J., & Frederich, M. (May 2015). Identification of antiplasmodial compounds isolated from endemic plants of Reunion Island [Paper presentation]. 18th Forum of Pharmaceutical Sciences. |
 | Ledoux, A., Mareatefau, H., Jansen, O., Etienne, D., quetin-Leclercq, J., Clerc, P., Smadja, J., & Frederich, M. (April 2015). Phytochemical Profile and Biological Activity Evaluation of Zanthoxylum heterophyllum Leaves against Malaria. Planta Medica Letters, 2, 10-e11. Peer Reviewed verified by ORBi |
 | Tchinda Tiabou, A., Jansen, O., Nyemb, J.-N., Tits, M., Dive, G., Angenot, L., & Frederich, M. (2014). Strychnobaillonine, an Unsymmetrical Bisindole Alkaloid with an Unprecedented Skeleton from Strychnos icaja Baill. Roots. Journal of Natural Products, 77, 1078-1082. Peer Reviewed verified by ORBi |
 | Ledoux, A., Groeber, S., Gallé, J.-B., Jansen, O., Frederich, M., & Nicolas, J.-P. (19 December 2013). Approche ethnobotanique des savoirs traditionnels et de l’utilisation des plantes médicinales appliqués à la période périnatale dans le Sud-Ouest de Madagascar [Poster presentation]. Territoires périurbains dans les pays du Sud, Colloque Pacodel. |
 | Jansen, O. (2013). Etude des potentialités antiplasmodiales de plantes utilisées en médecine traditionnelle au Burkina Faso [Doctoral thesis, Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/315020 |
 | Mouton, J., Jansen, O., Frederich, M., & van der Kooy, F. (2013). Is artemisinin the only antiplasmodial compound in the Artemisia annua tea infusion? An in vitro study. Planta Medica, 79 (6), 468-70. doi:10.1055/s-0032-1328324 Peer Reviewed verified by ORBi |
 | Jansen, O., Tits, M., Angenot, L., Nicolas, J.-P., De Mol, P., Nikiema, J.-B., & Frederich, M. (2012). Anti-plasmodial activity of Dicoma tomentosa (Asteraceae) and identification of urospermal A-15- O-acetate as the main active compound. Malaria Journal, 11 (1), 289 (1-9. doi:10.1186/1475-2875-11-289 Peer Reviewed verified by ORBi |
 | Jansen, O., Angenot, L., Tits, M., Nicolas, J. P., De Mol, P., Nikiéma, J. B., & Frederich, M. (2010). Evaluation of 13 selected medicinal plants from Burkina Faso for their antiplasmodial properties. Journal of Ethnopharmacology, 130, 143-150. doi:10.1016/j.jep.2010.04.032 Peer Reviewed verified by ORBi |
 | Jansen, O., Nikiéma, J.-B., Angenot, L., Tits, M., Nicolas, J.-P., De Mol, P., & Frederich, M. (07 October 2009). Evaluation des potentialités antiplasmodiales de plantes utilisées en médecine traditionnelle au Burkina Faso [Paper presentation]. 2eme rencontre Internationale de Phytothérapie de Ouagadougou, Ouagadougou, Burkina Faso. |
 | Ouattara, B., Jansen, O., Angenot, L., Guissou, P., Frederich, M., Fondu, P., & Tits, M. (March 2009). Antisickling properties of divanilloylquinic acids isolated from Fagara zanthoxyloides Lam. (Rutaceae). Phytomedicine, 16 (2-3), 125-129. doi:10.1016/j.phymed.2008.10.013 Peer Reviewed verified by ORBi |
 | Jansen, O., Frederich, M., Tits, M., Angenot, L., Cousineau, S., Bessot, L., Crunet, C., & Nicolas, J.-P. (July 2008). Ethnopharmacologie et paludisme au Burkina Faso : sélection de 13 espèces à potentialités antiplasmodiales méconnues. Ethnopharmacologia, 41, 74-81. Peer reviewed |
 | Jansen, O., Angenot, L., Tits, M., Nicolas, J.-P., De Mol, P., Sacré, P.-Y., Jonville, M., & Frederich, M. (2008). In vitro antiplasmodial activity of ethnobotanically selected plants from Burkina Faso. Planta Medica, 74 (9), 1142-1142. Peer Reviewed verified by ORBi |
 | Jokhadze, M., Eristavi, L., Kutchukhidze, J., Chariot, A., Angenot, L., Tits, M., Jansen, O., & Frederich, M. (July 2007). In vitro cytotoxicity of some medicinal plants from Georgian amaryllidaceae. Phytotherapy Research, 21 (7), 622-624. doi:10.1002/ptr.2130 Peer Reviewed verified by ORBi |
 | Fiot, J., Jansen, O., Akhmedjanova, V., Angenot, L., Balansard, G., & Ollivier, E. (September 2006). HPLC quantification of alkaloids from Haplophyllum extracts and comparison with their cytotoxic properties. Phytochemical Analysis, 17 (5), 365-369. doi:10.1002/pca.927 Peer Reviewed verified by ORBi |
 | Fiot, J., Sanon, S., Azas, N., Mahiou, V., Jansen, O., Angenot, L., Balansard, G., & Ollivier, E. (30 June 2006). Phytochemical and pharmacological study of roots and leaves of Guiera senegalensis JF Gmel (Combretaceae). Journal of Ethnopharmacology, 106 (2), 173-178. doi:10.1016/j.jep.2005.12.030 Peer Reviewed verified by ORBi |
 | Jansen, O., Akhmedjanova, V., Angenot, L., Balansard, G., Chariot, A., Ollivier, E., Tits, M., & Frederich, M. (21 April 2006). Screening of 14 alkaloids isolated from Haplophyllum A. Juss. for their cytotoxic properties. Journal of Ethnopharmacology, 105 (1-2), 241-245. doi:10.1016/j.jep.2005.11.001 Peer Reviewed verified by ORBi |
 | Ouattara, B., Angenot, L., Guissou, P., Fondu, P., Dubois, J., Frederich, M., Jansen, O., Van Heugen, J.-C., Wauters, J.-N., & Tits, M. (April 2004). LC/MS/NMR analysis of isomeric divanilloylquinic acids from the root bark of Fagara zanthoxyloides Lam. Phytochemistry, 65 (8), 1145-1151. doi:10.1016/j.phytochem.2004.02.025 Peer Reviewed verified by ORBi |