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Micro-analyses et datations de l'art préhistorique dans son contexte archéologique – MADACPA
For a long time, knowledge of the art of caves and prehistoric objects was founded on the descriptive analysis of the representations and their disposals, disconnected from any archaeological context. Since about fifteen years, it improved with direct dating, physical, chemical and biological micro-
Violence endogène et portées sociales d'une catastrophe écologique: corps individuels, corps sociaux dans l'aprés Katrina. – Katrina-NOLA
ENDOGENOUS VIOLENCE AND SOCIAL EFFECTS OF ECOLOGICAL DISASTERS: INDIVIDUAL AND SOCIAL BODIES AFTER KATRINA - - - This project aims to analyse the reach of forms of social violence that are inherent to ecological catastrophes. Its empirical object is Katrina, the catastrophe (hurricane, flooding, exp
NANOstructures induced by elementary PLASTic mechanisms – NANOPLAST
The emergence process of moving dislocations is characterised by the appearance of steps at the free surface of crystalline materials, with an elementary height equal to the component of the activated dislocation Burgers vector projected on the surface normal, i.e. only few tens of nanometre. Recent
Epidémiologie évolutive et coévolutive – EPICE
The emergence and re-emergence of infectious diseases is an ever increasing source of concern. Understanding the dynamics of parasite populations may help limit the potentially devastating consequences of epidemics for animal and plant species. Yet a full comprehension of this dynamics requires mult
Conception d'inhibiteurs d'interactions protéine-protéine : Application à l'assemblage des nucléosomes – BREAKABOND
Over the past few years inhibition of protein-protein interactions by synthetic compounds has emerged as an exciting and realistic technology to interfere with regulatory processes in living organisms. We propose an innovative strategy to design potent inhibitors of macromolecular interactions. The
Mécanismes de couplage dans le système circadien multi-oscillant – Clock-coupling
Circadian rhythmicity is a fundamental regulatory principle in living organisms. This temporal regulation is under the control not of a single, central circadian clock but of a circadian network comprising different oscillatory units organized in three levels: a suprachiasmatic clock (SCN), still co
Multistabilité et groupement perceptif dans l'Audition et dans la Parole – Multistap
When dealing with natural scenes, sensory systems have to process an often messy and ambiguous flow of information. A stable perceptual organization nevertheless has to be achieved in order to guide behaviour. The neural mechanisms involved can be highlighted by intrinsically ambiguous situations. I
Evolution de la criticalité sous chargement cyclique comme indicateur de la fatigue – EVOCRIT
Fatigue is perhaps the most dangerous and simultaneously less well understood mechanism of mechanical failure encountered in a variety of modern structures ranging from nuclear reactors to micro-electronic connections in cell-phones. Failure in cyclic loading appears unexpectedly when the structure
Conducteurs organiques à symétrie contrôlée – 3/4-FILLED
In the framework of this proposal, we suggest the study of new families of molecular conductors. These families are characterized by a ¾ filling of the upper band. A complete study is now possible as the chemistry groups (Rennes and Angers) can control and tune the crystalline structure through hydr
Couplage entre champ de phases et plasticité cristalline continue – COUPHIN
Mechanical properties of metallic materials are strongly dependent on their microstructure, i.e. on the shape and spatial arrangement of the different phases in the materials. It is thus important, from both fundamental and industrial viewpoints, to understand and control the microstructure evoluti
