Academic literature on the topic 'Transition biophysique'
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Journal articles on the topic "Transition biophysique"
Banos, Vincent. "Quelle géographie des ressources à l’heure de la transition écologique ? Réflexion théorique à partir des « nouveaux » usages du bois." Annales de géographie N° 754, no. 6 (December 11, 2023): 84–107. http://dx.doi.org/10.3917/ag.754.0084.
Full textGaunet, Florence, Anne Vigouroux, Marie Jeanne Trouchaud, Michel Hirschowitz, and Alice Guyon. "Évaluation de l’efficacité d’outils innovants d’intelligence collective pour promouvoir le concept de « One Health » et le passage à l’action : une revue narrative." Hegel N° 1, no. 1 (March 28, 2024): 45–55. http://dx.doi.org/10.3917/heg.141.0045.
Full textDI ROBERTO, Hadrien, Carolina MILHORANCE, Ndèye SOKHNA DIENG, and Elsa SANIAL. "L’agroforesterie en contexte post-forestier : perspectives et controverses d’une mise à l’agenda politique en Côte d’Ivoire." BOIS & FORETS DES TROPIQUES 356 (September 4, 2023): 81–91. http://dx.doi.org/10.19182/bft2023.356.a37121.
Full textPETIT, Caroline. "Le métabolisme agri-alimentaire pour une contribution de l’agronomie aux approches socio-métaboliques." Agronomie, environnement & sociétés 11, no. 2 (December 15, 2021). http://dx.doi.org/10.54800/maa431.
Full textJavelle, Aurélie. "Les écosavoirs comme révélateurs d’une transition agroécologie profonde." Éducation relative à l'environnement Volume 18-1 (2023). http://dx.doi.org/10.4000/11w1u.
Full textFotsing, Eric, Peter H. Verburg, Wouter T. De Groot, Jean-Paul Cheylan, and Maurice Tchuenté. "Un modèle intégré pour explorer les trajectoires d'utilisation de l'espace." Revue Africaine de la Recherche en Informatique et Mathématiques Appliquées Volume 16, 2012 (September 30, 2009). http://dx.doi.org/10.46298/arima.1961.
Full textDissertations / Theses on the topic "Transition biophysique"
Laarraj, Mohcine. "Nanocalorimètre dynamique pseudo-différentiel à haute sensibilité pour l'étude thermodynamique et cinétique de la transition vitreuse." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAY029/document.
Full textThis thesis reports the working principle and the building up of a dynamic differential nanocalorimeter to the study of the glass transition. The micro-fabricated sensor, the low noise and highly stable measurement chain, as well as the thermal environment of the sensor are described in details. The measurement method is a spectroscopic method in which the amplitude and phase of the oscillating temperature are measured with a high resolution at different frequencies. The resolution of the nanocalorimeter on the measurement of the complex heat capacity module is ∆|C_p^* |/|C_p^* | ± 0,001 %, and on the phase of the temperature oscillation is ∆φ/φ ± 0, 0005 %. This resolution is about one thousand times higher than that of the commercial temperature modulated calorimeters. The potentialities of the nanocalorimeter for the study of fine thermodynamic and kinetic effects are demonstrated on a model of glassy polymer, the poly(vinyl acetate). New effects which are too fine to be detected by conventional calorimeters have been measured. The modulus of the complex heat capacity and the phase of the temperature oscillation exhibit small relaxational effects of low amplitude either in the super-cooled liquid state or in the glassy state. In addition, according to the thermal history followed by the material, the structural recovery of this polymer can take place in two steps during the heating. These two steps are visible only on the temperature derivative of the modulus of the complex heat capacity. In conclusion, resolution, stability and repeatability of the nanocalorimeter are particularly suitable for fine thermodynamic and kinetic study on out of equilibrium complex systems such as glasses
DIYIZOU, YVONNE. "Synthese d'une sonde phtosensible, transmembranaire et phospholipidique : etudes physicochimiques et photochimiques dans les vesicules." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13105.
Full textRomby, Pascale. "Contribution a l'etude structurale et fonctionnelle de l'acide ribonucleique de transfert." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR13100.
Full textAdam, Safia. "Etude des conformations secondaires d'ADN synthétiques pas spectrométrie optique." Paris 13, 1985. http://www.theses.fr/1985PA132001.
Full textDesnos, Hugo. "Amélioration des procédures de cryoconservation de type congélation-lente par simulation et caractérisation des effets de composés chitooligosaccharides." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1048/document.
Full textWe wished to move aside classical cryopreservation procedure improvements that are based on empiricism and to focus on existing biophysical models in order to describe procedures. We based our study on two methods. The first method consisted in developing the methods for the simulations of procedures, by characterizing the use of Snomax in a DSC device. This study highlighted that the nucleation temperature (Tn) control is possible under precise experimental conditions (sample volume and Snomax concentration) that influence the presence probability of 3 INA subpopulations of the P. syringae protein aggregates. The possibility to simulate the cryopreservation procedures has been achieved for some supercooling ranges within complex cryopreservation solutions. Consequently, it has been possible to characterize the physical effects influenced by Tn and involved within procedures. These results will participate in supplying cryopreservation biophysical models. The second method aimed to modify the composition of cryopreservative solutions in order to reduce the DMSO use (because of its cytotoxicity), using extracellular CPA components: the chitooligosaccharides COS. Subsequent to the biocompatibility verification of the COS with embryonic cells, the thermodynamic influence of the COS has been characterized. Therefore, it has been demonstrated that COS are cryostabilizers that link themselves to a small number of water molecules and does not influence its physicochemical properties. Consequently, COS can be added within the extracellular space without any risk to accelerate the cell dehydration. It has been demonstrated that COS favor the gelation of the extracellular space and that this gelation relies on the mass proportion of water in the residual solution. This gelation immobilizes a part of the system and therefore favor its stabilization when the temperature reaches the risky recrystallization range
Cocco, Simona. "Uno studio teorico delle vibrazioni della struttura elicoidale del DNA B e della transizione di denaturazione." Lyon, École normale supérieure (sciences), 2000. http://www.theses.fr/2000ENSL0151.
Full textLazrak, Tarik. "Renforcateurs membranaires : etude structurale et evolution biochimique." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13167.
Full textSalehi, Seyed-Taghi. "Etude de la dynamique de proteines par spectrometrie ultrasonore." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13227.
Full textAndré, Alexander. "Force-induced structural transitions in cross-linked deoxyribonucleic acid films." Université Louis Pasteur (Strasbourg) (1971-2008), 2007. https://publication-theses.unistra.fr/restreint/theses_doctorat/2007/ANDRE_Alexander_2007.pdf.
Full textAndré, Alexander Kékicheff Patrick Maret Georg. "Force-induced structural transitions in cross-linked deoxyribonucleic acid films." Strasbourg : Université Louis Pasteur, 2008. http://eprints-scd-ulp.u-strasbg.fr:8080/00000868.
Full textThèse soutenue en co-tutelle. Titre provenant de l'écran-titre. Bibliogr. p. 135-148.