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Tendances du mois


Un aperçu de la recherche en Normandie

  • Artificial intelligence is shedding its lab coat and learning to work in the wild. From hospital databases to gnarly graph data, researchers are building models that are both powerful and practical enough for edge devices and day‑to‑day decisions.
  • In 3D vision, Foundry distills giant self‑supervised models into speedy "student" networks that keep their generality while slashing compute, thanks to compact SuperTokens. That leap was led by Guillaume Letellier at GREYC, making foundation models usable on robots and AR/VR headsets without a server farm.
  • On graphs, Jason Piquenot and colleagues at LITIS built a grammar‑driven framework for more expressive Graph Neural Networks, including a model equivalent to the 3‑WL test and a reinforcement learner that discovers new counting formulas for paths and cycles, cutting computation time six‑fold.
  • For decision makers, uplift modeling often drowns in parameters. Nicolas Voisine at GREYC proposes a user‑parameter‑free Bayesian framework spanning discretization, feature selection, trees and forests, delivering robust treatment‑effect targeting on real telecom data without the usual tuning headache.
  • And in neurology at population scale, Corinne Ruet with the COMETE UR team validated and refined a claims‑based algorithm to detect multiple sclerosis relapses. In routine data from thousands of patients, sensitivity hovered around 75% (specificity ~85%), showing how careful criteria engineering turns messy records into reliable clinical signals.

  • Biofilms are microbial fortresses; the microbiome is the border patrol. This year’s studies show we can both talk microbes into standing down and reinforce our own cellular checkpoints.
  • In food safety, a sweeping review led by Uelinton Manoel Pinto with the CBSA/LMSM network shows how plant‑derived compounds act as antibiofilm and antivirulence agents against Salmonella—pointing industry toward greener, multi‑target sanitation strategies.
  • Clinically, a human hormone fights back: the atrial natriuretic peptide (ANP) dispersed Pseudomonas aeruginosa biofilms in vitro and in vivo in work coordinated by S. Chevalier at CBSA/LMSM, opening a path to rescue chronic infections without blasting them with more antibiotics.
  • At the skin–nanoparticle frontier, G. Ladam and collaborators from INC3M and LMSM showed the resident microbiota can tilt the odds of nanoparticle passage across epithelial barriers—sometimes blocking, sometimes boosting transport—an essential insight for safe nanomedicine design.
  • In inflammatory skin disease, Hugo Join‑Lambert at DYNAMICURE uncovered how Porphyromonas uenonis, a normally rare colonizer, invades the epidermis in hidradenitis suppurativa and triggers misdirected IgA/IgG responses—evidence that impaired early defenses and dysbiosis can fuel autoimmunity and chronic flares.

  • From sunlight to waste nitrates, new materials are squeezing more clean energy out of less—and doing it with clever chemistry rather than brute force.
  • Electrocatalysis meets molecular plumbing: a covalent organic framework dotted with pendant aldehydes funnels water and localized protons under alkaline conditions, driving nitrate‑to‑ammonia conversion with >95% Faradaic efficiency and high rates. The concept, led by Thirumurugan Prakasam at LCS, turns a classic limitation into an advantage.
  • In organic photovoltaics and thermoelectrics, Malak Qassab at INC3M/LCMT is advancing Pt‑containing diketopyrrolopyrrole (DPP) metallooligomers and side‑chain engineering, already hitting 13.26% power conversion and targeting even higher efficiencies and robust n‑type conductors.
  • For room‑temperature thermoelectrics, wet‑synthesized Bi2Te3‑xSex nanostructures from Mohammad Siddiqui at IRMA/CRISMAT show how tuning particle size, crystallinity and morphology can push ZT toward the coveted ~2 without expensive routes.
  • And to cool solar panels rather than cook them, Guanghui Wang and the CORIA team used topology optimization to craft heat sinks that keep PV modules cooler and more efficient under real flows—software‑discovered shapes for hardware‑level gains.

  • Small particles, silent gases, and small‑scale livelihoods: three fronts where rigorous measurement reframes risk—and guides action.
  • Across crops, waters, and microbiomes, nano‑formulated copper pesticides can drive copper bioaccumulation, report Laurence Chevalier and colleagues at GPM/IRMA, arguing for a One‑Health lens that spans fields, streams, and guts when regulating next‑gen formulations.
  • Indoors, Lydia Leleyter at ABTE UR measured how a common chimney can pump radon through a home via convective flows—and how simple ventilation and design tweaks drastically cut levels. A reminder that physics‑savvy fixes can beat fear.
  • At sea, Silvia Arias Schreiber with LETG built a rapid appraisal tool to score how small‑scale fisheries support 12 Sustainable Development Goals, moving the debate beyond SDG 14 to food, equity, culture, and risk—so policies can protect both people and ecosystems.

  • Precision medicine is starting to look like routine practice: image, measure, and adapt care to what truly drives outcomes—in hearts and in minds.
  • In 1,883 patients undergoing elective PCI, the ALPHEUS‑MI analysis led by Guillaume Cayla at COMETE UR found a simple, actionable predictor of peri‑procedural myocardial injury across definitions: total stent length >60 mm. Sometimes the best risk model is a ruler.
  • For healthy aging, Anne Chocat and the COMETE/NIMH/PhIND consortium showed that regular physical activity blunts the link between chronic stress load (allostatic load) and early blood biomarkers of Alzheimer’s disease. Move more, and stress hurts the brain less—even before symptoms.
  • And after breast cancer, Florence Eustache at NIMH/PhIND/ANTICIPE tracked hippocampal subfields and memory over a year: patients showed more awakenings and structural differences (notably in the subiculum) compared with controls, helping clinicians pinpoint when and where to support cognition during survivorship.

  • Two snapshots of social change—one in financial architecture, one in everyday politics—show how formal rules and lived experience rewire what citizens and markets can do.
  • Across 100 countries (1995–2019), Kwamivi Mawuli Gomado at CREM finds that adopting fiscal rules is consistently associated with fewer capital controls (on both inflows and outflows), especially in developed economies—via better sovereign ratings, tamer inflation, and sturdier fiscal balances. Tighter budgets, freer capital.
  • In France, Yong Li and colleagues at DySoLab/IRIHS trace how college‑educated women of East and Southeast Asian descent become politically active around intertwined race and gender dynamics. Their typology shows paths shaped by family trajectories, migration generations, and national spaces of socialization—because identity, like politics, is a journey.
    • Les termes à retenir
    Ce nuage de mots-clés représente un échantillon des termes, les plus récents et les plus fréquents au global, associés aux publications normandes, reflétant les thématiques et tendances du moment.
    Ce nuage de mots-clés représente un échantillon des termes, les plus récents et les plus fréquents au global, associés aux publications normandes, reflétant les thématiques et tendances du moment.