Etudes de la stabilité de nano-objets complexes chargés : agrégats et systèmes moléculaires d'intérêt biologique

Abstract : Since the last 6 years, my main research works focused on i) the Coulomb instabilities and the fragmentation processes of fullerenes and clusters of fullerenes ii) the stability and the reactivity of complex biomolecular systems.
Concerning the clusters of fullerenes, which are van der Waals type clusters, we shown that the multiply charged species, obtained in collisions with slow highly charged ions, keep their structural properties but become very good electric conductor!
In another hand, with the aim to understand the role of the biologic environment at the molecular scale in the irradiation damage of complex biomolecules, we have study the charge stabilities of clusters of small biomolecules or the dissociation processes of larger nano-hydrated biomolecules. Theses studies are shown that i) specific molecular recognition mechanisms continue to exist in gas phase ii) a small and very simple biochemical environment is enough to change the dynamics of instabilities.
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Submitted on : Tuesday, September 15, 2009 - 11:54:05 PM
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Bruno Manil. Etudes de la stabilité de nano-objets complexes chargés : agrégats et systèmes moléculaires d'intérêt biologique. Physique Atomique [physics.atom-ph]. Université de Caen, 2007. ⟨tel-00192617v2⟩

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