Littérature scientifique sur le sujet « Bulles – Dynamique – Emploi en thérapeutique »
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Thèses sur le sujet "Bulles – Dynamique – Emploi en thérapeutique"
Fauconnier, Maxime. « Acoustofluidics of nonspherical microbubbles : physics and mechanical interaction with biological cells ». Electronic Thesis or Diss., Lyon, 2021. http://www.theses.fr/2021LYSE1242.
Texte intégralSources of significant acoustic, mechanical and thermal effects, gas microbubbles are widely used for industrial and medical purposes. Among others, the acoustic oscillation of microbubbles make it possible to internalize products in living cells, which opens the way to numerous therapeutic applications. Large amplitude oscillatory regimes necessary for there to be a significant interaction with cells can be synonymous with the appearance of instability of the bubble interface and of the so-called nonspherical modes of bubble oscillation, but also to bubble collapse and cell destruction. It seems therefore necessary to control their dynamics in order to minimize the harmful effects and maximize the therapeutic action. With the view to study the action of the oscillating bubble at the cellular level, this thesis manuscript presents an experimental work in three stages. First, the oscillatory dynamics of a single bubble attached to a wall is studied, in particular through the conditions for the appearance of its nonspherical modes. Second, the appearance of fluid flows, also called microstreaming, induced by such a nonspherical bubble is analyzed on the basis of a quantitative description of its interface. Lastly, this knowledge acquired on an oscillating bubble is transposed to the configuration of a bubble-cell pair. The bubble-induced mechanical effects that apply on the cell are assessed at both the acoustic and the fluidic time scales
Tazi, Sami. « Description moléculaire des ions aux interfaces argile-eau ». Paris 6, 2012. http://www.theses.fr/2012PA066471.
Texte intégralIn the context of the geological disposal in clay-rich formations of long-lived nuclear waste, it is necessary to understand and quantify the transport and retention of radionuclides in clays. Molecular simulations have greatly contributed to understand the different mechanisms involved, including the competition with naturally occurring species. However its contribution has so far been somewhat limited to the case of simple ions, which are in general monovalent. The study of the multivalent ions on the surface of clays has been hindered by the lack of reliable polarizable force fields for clays. Indeed, multivalent ions being strongly polarizing, induction effects cannot be neglected to study them at interfaces. In this context, we have developed a polarizable force field for clays, from an original method relying on ab initio calculations only. We present here this method and its application to ion-water and intra-clay interactions. We then validate the force field for the ion-water interaction on static, dynamic and thermodynamic properties, and the intra-clay interactions on static properties. We further illustrate the interest of the polarizable force field by validating it on IR spectra. A second challenge for the lateral surfaces of clays is the necessity to determine the protonation state of the silanols and aluminols clay edge site, which play a fundamental role in the sorption of ions on these surfaces. To address this point we calculate the different pKa values from an original method inspired by the Marcus theory and that rely on thermodynamic integration. In conclusion, the newly developed force field and the knowledge of the different protonation states of the clay edge site will allow the study of the transport and retention of the multivalent ions on clay surfaces
Gaillard, Jean-Philippe. « Etude structurale et fonctionnelle du récepteur de l'interleukine-6 : interactions moléculaires dans la médiation du message IL-6 ». Montpellier 2, 1994. http://www.theses.fr/1994MON20275.
Texte intégralNouet, Sandrine. « Contribution d'antagonistes non-peptidiques à l'étude cartographique du récepteur AT1 de l'angiotensine II ». Montpellier 2, 1995. http://www.theses.fr/1995MON20038.
Texte intégralLivres sur le sujet "Bulles – Dynamique – Emploi en thérapeutique"
Wyatt, Jonathan. Therapy, Stand-Up, and the Gesture of Writing : Towards Creative-Relational Inquiry. Taylor & Francis Group, 2018.
Trouver le texte intégralWyatt, Jonathan. Therapy Stand up and the Gesture of Writing. Taylor & Francis Group, 2018.
Trouver le texte intégralWyatt, Jonathan. Therapy, Stand-Up, and the Gesture of Writing : Towards Creative-Relational Inquiry. Taylor & Francis Group, 2018.
Trouver le texte intégralWyatt, Jonathan. Therapy, Stand-Up, and the Gesture of Writing : Towards Creative-Relational Inquiry. Taylor & Francis Group, 2018.
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