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(408) Production(s) de l'année 2015
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CHAPTER 10. On the Importance of the Deformability of Red Blood Cells in Blood Flow
Auteur(s): Abkarian M., Viallat Annie
Chapître d'ouvrage: Fluid-Structure Interactions At Low Reynolds Numbers, vol. p.347-462 (2015)
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A simple model to understand the effect of membrane shear elasticity and stress-free shape on the motion of red blood cells in shear flow
Auteur(s): Dupire Jules, Abkarian M., Viallat Annie
(Article) Publié:
Soft Matter, vol. 11 p.8372-8382 (2015)
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Interaction rayonnement-matière
Auteur(s): Bantignies J.-L.
Conférence invité: Ecole d'initiation à la diffusion Raman pour l’étude des nanostructures à base de carbone (Montpellier, FR, 2015-07-06)
Résumé: Interaction rayonnement-matière
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Formalisme de l'EXAFS
Auteur(s): Bantignies J.-L.
Conférence invité: Ecole d'initiation à la spectroscopie d'absorption des rayons X (Montpellier, FR, 2015-06-15)
Résumé: Formalisme de l'EXAFS
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Vibrational spectroscopies for the study of nanotubes and nanorods
Auteur(s): Bantignies J.-L.
(Séminaires)
institut des sciences moléculaires (Bordeaux, FR), 2015-12-15
Résumé: Nanotubes can be obtained from top down (Carbon nanotubes) or bottom up approaches (Organogels, self-structured bridged silsesquioxanes…). In most cases the nature of the nanotubes determines the vibrational spectroscopy technique best suited for the study of the physical properties of the nanomaterial. In this presentation, some examples are discussed. The coupling of Raman and/or infrared spectroscopies with ab initio calculations gives insights into both structural properties and self-assembling mechanisms of the nanomaterials.
In the case of the encapsulation of foreign species in the hollow core of carbon nanotubes, resonant Raman spectroscopy allows studying the relation between size of the nano container and physical properties of the molecules under confinement (figure). Vibrational experiments were carried out under extreme conditions (diamond anvil cell technique for high pressure vibrational investigations). The pressure dependence of the Raman spectra allows assessing charge transfer properties between nanotube and encapsulated species under confinement.
Infrared spectroscopy is a very powerful technique for the study of organogels of nanotubes and self-structured bridged silsesquioxane nanomaterials. The local and long range order structuring resulting from sol-gel reaction of organic or hybrid precursors have been investigated in situ using macro and micro IR spectroscopies in the middle and far infrared. The IR experiments are compared with density functional theory simulations.The significant contribution of synchrotron radiation for infrared studies of hybrid nanomaterials under extreme conditions is reported.
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Confinement de complexes à transfert de charges à base d'iode dans les nanotubes de carbone
Auteur(s): Bantignies J.-L.
Conférence invité: Minicolloque confinement dans les nanostructures à base de carbone (Toulouse, FR, 2015-09-16)
Résumé: Confinement de complexes à transfert de charges à base d'iode dans les nanotubes de carbone
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