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Management Catherine LINARD Director, Geography Department +32 (0)81 72 44 89 direction.geographie@unamur.be Valérie HANART Secretary +32 (0)81 72 44 87 secretariat.geographie@unamur.be Find out more about the department SVG .cls-1 { fill: #323232; stroke-width: 0px; } Studies See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } Research See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } International See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } Organization chart See content

Management Johan YANS Director, Geology Department +32 (0)81 72 44 66 johan.yans@unamur.be Valérie HANART Secretary +32 (0)81 72 44 87 secretariat.geologie@unamur.be Find out more about the department SVG .cls-1 { fill: #323232; stroke-width: 0px; } Studies See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } Research See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } Service to society See content SVG .cls-1 { fill: #323232; stroke-width: 0px; } Members See content

A work of educational and philosophical science fiction, “À l'appel des étoiles” (The Call of the Stars) is the first novel by the professor and researcher in astronomy at UNamur. A fiction that respects the laws of physics and takes you on an interstellar sailing ship in pursuit of light!

A cartographer for cyclists, working in a nature park, fighting epidemics, a data scientist... Did you know that studying geography opens the door to a wide variety of professions? The Department of geography explains it all in pictures!

Lately, and thanks to LUMI, one of Europe's largest supercomputers, the limits of our knowledge of cell lipid membranes have been pushed back. A team of Namur researchers, including Professor Benoît Champagne and Drs. Pierre Beaujean and Charlotte Bouquiaux, has just published in the Journal of Chemical Information and Modeling. The results of this study pave the way for new approaches in the field of membrane lipid therapy.

On 20 June 2023, the F.R.S.-FNRS published the list of winners of the various doctoral and post-doctoral mandates. Among them, 16 researchers from UNamur obtained funding.

The European Euclid satellite will be launched into space from Cape Canaveral in the United States at 5.11pm on Saturday 1 July. The telescope is intended to provide a more accurate map of billions of galaxies over a distance of around twelve billion light years. A team of Belgian scientists and engineers from UCLouvain, ULB, ULg, UNamur and Ghent University, as well as the Space center in Liège (CSL), took part in this ten-year project, bringing together more than 3,500 people from 21 countries.

Physics & Challenges (Physique & Défis in French), a seminar course initiated by Professor Jim Plumat in 2013 at UNamur as part of the PUNCH projects, is organised in the form of a research project. This year, a partnership has been set up with the Haute École de la Province de Namur (HEPN) for a practical systemic training course with an original pedagogical approach.

Take part in our open morning Given the works in the rue de Bruxelles and the renovation of part of the University parking lots, we invite you to use public transport whenever possible (train or bus) to reach Namur. UNamur boasts an ideal location, in the heart of the city just a five-minute walk from the TEC and SNCB train stations.If you're coming by car, take a look at the parking map provided. Look forward to seeing you on Saturday, June 29!

Initiated in 1969 by Pullmann and Del Re, the congress is an annual meeting to promote collaboration and friendship between Latin-speaking theoretical chemists. In its early years, European researchers were the main contributors. Subsequently, the Latin American community has made a major contribution, with the emergence of teams whose international reputation now extends far beyond our own community.We are delighted to be holding this meeting at the University of Namur, 55 years after the first CHITEL was organised in Paris, France. We are sure that this 2024 edition will once again be an opportunity to take advantage of the good humour and dynamism of Latin to encourage, develop and strengthen scientific exchanges.We look forward to welcoming you at the University of Namur,The CHITEL 2024 Local Organising Committee. Website

(Update 04/04: This article is "an April Fool") A remarkable event took place during Printemps des sciences, which ran from March 18 to 24, 2024. While a visit to the UNamur Astronomical Observatory was offered to the general public on the evening of March 23, a unique phenomenon occurred.

Characterization of trehalase from Acyrthosiphon pisum for the design of new insecticides SummaryAphids are major pests in agriculture, causing direct damage to plants and acting as vectors for phytopathogenic viruses. Conventional insecticides are widely used to control them, but their toxicity and efficacy pose problems in terms of the environment, human health and the emergence of resistance to these compounds. New alternatives are therefore needed, such as biological control using predators or parasitoids. However, these methods are not always economically viable on a large scale. As part of this thesis, another approach is being explored which involves developing new insecticides targeting the biochemical functions of aphids.The project aims to discover new inhibitors of trehalase, an enzyme essential for insect energy metabolism. Inhibition of this enzyme could disrupt vital insect functions without affecting mammals. This research involved several stages: the purification and complete characterization of trehalase from Acyrthosiphon pisum (the model for this study), the in vivo, in vitro and in silico analysis of commercial inhibitors on this enzyme, before moving on to the search for new inhibitors. Two points of integrated insect management were explored, biological and chemical control.The biological side saw the study of a strain of Streptomyces naturally producing trehalase-inhibiting metabolites, notably validamycin A, a molecule recognized in the literature as one of the best inhibitors, but not applicable as an insecticide. Other molecules appear to have interesting features, but we have not been able to isolate and characterize them.The chemical side has enabled us to create a pharmacophore hypothesis based on experimental results on molecules obtained by virtual screening. Although these molecules are not usable as insecticides as they stand, this hypothesis provides a better understanding of trehalase inhibitors in general and can be used to refine future analyses. JuryProf. Jean-Yves MATROULE (UNamur), presidentDr Catherine MICHAUX (UNamur), promoter and secretaryProf. Frédéric FRANCIS (ULiège), co-promoterProf. André MATAGNE (ULiège)Dr Rudy CAPARROS (ULiège)Dr Morgan HANS (Biocidal)