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Academic literature on the topic 'Spectroscopie de corrélation par fluorescence'
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Journal articles on the topic "Spectroscopie de corrélation par fluorescence"
Monjauze, H., E. Biyick, V. Guicheteau, F. Tranquart, and C. Mercier. "R438 Corrélation entre saturation cérébrale en oxygène par spectroscopie proche infra rouge et la SVJO2 dans les hémorragies sous arachnoïdiennes graves." Annales Françaises d'Anesthésie et de Réanimation 17, no. 8 (January 1998): 1029. http://dx.doi.org/10.1016/s0750-7658(98)80554-6.
Full textGaye-Seye, MD, G. Dodin, and JJ Aaron. "Étude par spectroscopie de fluorescence de l’effet du pH sur la complexation de la cinchonine par la β-lactoglobuline (β-LG)." Journal de Chimie Physique 94 (1997): 1208–15. http://dx.doi.org/10.1051/jcp/1997941208.
Full textAbbe, J. Ch, G. Duplatre, Y. Tabata, Y. Ito, S. Tagawa, and M. Washio. "Recherche de corrélation entre les inhibitions de formation du positonium et de fluorescence par des solutes en solutions aqueuses." Journal de Chimie Physique 85 (1988): 29–30. http://dx.doi.org/10.1051/jcp/1988850029.
Full textFanget, B., O. Devos, and E. Naffrechoux. "Rôle des acides humiques dans le transfert du pyrène entre les minéraux argileux et l'eau." Revue des sciences de l'eau 15 (April 12, 2005): 95–108. http://dx.doi.org/10.7202/705488ar.
Full textAssaad, Aziz, Marc Benoit, Eliane Cablé, Michelle Cussenot, and Marie-Noëlle Pons. "Expérience de recherche participative dans le bassin du Madon (Lorraine, France)." Revue des sciences de l’eau 28, no. 3 (November 10, 2015): 199–205. http://dx.doi.org/10.7202/1034008ar.
Full text"Analyse histologique in vivo en temps réel des polypes colorectaux grâce à une pince à biopsie “optique” basée sur la spectroscopie de fluorescence induite par laser." Endoscopy 48, no. 06 (May 30, 2016): 603–4. http://dx.doi.org/10.1055/s-0042-108247.
Full textDissertations / Theses on the topic "Spectroscopie de corrélation par fluorescence"
Cogné-Laage, Emmanuelle. "Contributions de chimiste à l'imagerie microscopique par excitation biphotonique." Paris 6, 2003. http://www.theses.fr/2003PA066520.
Full textDelahaye, Julie. "Plasmonique appliquée à la modulation optique et à la détection de molécules uniques par spectroscopie de corrélation de fluorescence." Paris 7, 2013. http://www.theses.fr/2013PA077173.
Full textPreliminary studies were carried on a plasmonic modulator for telecomunication applications and on a gold nanotips array for biomedical applications
Wawrezinieck, Laure. "Confinement moléculaire et organisation de la membrane des cellules vivantes : analyse de la diffusion par spectroscopie de corrélation de fluorescence." Phd thesis, Université de la Méditerranée - Aix-Marseille II, 2006. http://tel.archives-ouvertes.fr/tel-00097010.
Full textLa spectroscopie de corrélation de fluorescence (FCS) est une technique puissante permettant de mesurer des coefficients de diffusion. L'étude devient cependant malaisée lorsque la diffusion n'est pas libre, comme c'est le cas des composantes de la membrane cellulaire.
Nous avons montré que la réalisation de mesures FCS à différentes tailles de volumes d'observation permet de tracer les lois de diffusion des molécules dans les membranes des cellules vivantes. Notre méthode permet ainsi de distinguer entre différentes structures de confinement des particules de la membrane plasmique et de mesurer certaines de leurs caractéristiques, comme leur taille ou le temps de confinement moyen. Il a également été possible d'étudier la réorganisation de la membrane cellulaire au cours d'un événement de signalisation.
Alcor, Damien. "Ingénierie des systèmes dynamiques en chimie : extraction de molécules sous contrôle cinétique et mesure de constantes cinétiques par spectroscopie de corrélation de fluorescence." Paris 6, 2004. http://www.theses.fr/2004PA066349.
Full textAit, Lyazidi Saâdia. "Rôle de l'eau et de la liaison hydrogène dans la structure et spectroscopie des molécules TICT : Corrélation d'une étude conformationnelle avec l'absorption et la fluorescence double d'anilines para-substituées en solutions et en matrices polymériques." Bordeaux 1, 1986. http://www.theses.fr/1986BOR10583.
Full textBusson, Mickaël. "Nano-Antennes Assemblées sur ADN et Alimentées par un Émetteur Quantique Unique." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00815549.
Full textCao, Anne-Marinette Hanh. "Etudes de la dynamique structurale des récepteurs métabotropiques du glutamate par fluorescence en molécule unique." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT050.
Full textMetabotropic glutamate receptors (mGluR), which belong to class C of G protein-coupled receptors (GPCR), are well-known for their important roles in neurological and psychiatric disorders. Understanding of receptor activation is essential to decipher the receptor functioning, and thus orientate drugs design for targeted therapeutics. Recently, the number of GPCR crystal structures has increased exponentially thanks to the application of protein stabilization methods. However, these crystallography studies have revealed certain ambiguities and discrepancies, and these approaches do not take into account the dynamic nature of GPCR activation. Indeed, single-molecule studies, including single-molecule FRET (smFRET), have revealed the highly dynamic nature of GPCR in general, and fast conformational changes of mGluR domains in particular. Here, we study the activation mechanism of the full-length mGluR by FRET techniques at ensemble and single-molecule level. Homogenous time-resolved fluorescence (HTRF) was applied for optimizing the sample preparation. An appropriate protocol was established, allowing to extract mGlu2 full-length in detergent from the HEK293T cells without significantly affecting its pharmacology and stability. smFRET experiments were performed using the combination of multiparameter fluorescence detection (MFD) with pulsed interleaved excitation (PIE). Advanced data analysis such as ratiometric FRET efficiency, lifetime-based FRET measurement, and fluorescence correlation spectroscopy (FCS) revealed that the fast dynamic oscillation in sub-millisecond timescale of the full-length mGlu2, and prove the stabilization role of the transmembrane domain of the full-length receptor in favor of the active state
Blancquaert, Yoann. "Nouvelles géométries optiques pour la Spectroscopie à Corrélation de Fluorescence." Phd thesis, Université Joseph Fourier (Grenoble), 2006. http://tel.archives-ouvertes.fr/tel-00148993.
Full textEl, Farsy Abderzak. "Détermination des fonctions de distribution des flux des espèces neutres et ionisées en procédé HiPIMS et corrélations avec les couches minces de type TiN déposées." Thesis, Université de Lorraine, 2019. http://www.theses.fr/2019LORR0085.
Full textThe growth of thin layers in reactive-direct current magnetron sputtering (R-DC) and reactive-high power impulse magnetron sputtering (R-HiPIMS) processes is the general framework of this PhD. Reactive processes consist in the addition, in argon gas, of a reactive gas such as oxygen or nitrogen, and allow the deposition of oxides and nitrides which have many industrial applications. Nevertheless, the high level of expectations regarding new applications requires a better understanding, controlling, mastering of basic processes governing atoms transport in the view of process optimization. The main goal of this PhD is to study the transport of sputtered titanium atoms (Ti) in Ar/N2 gas mixture and to establish correlations with TiN film properties. Tunable diode laser induced fluorescence technique (time resolved in the case of HiPIMS process) has been developed in order to measure velocity distribution functions of neutral Ti atoms at the ground state, function of the pressure, the distance from the target and the gas mixture. In HiPIMS, the additional degree of freedom, given by time dimension, allowed to characterize their kinetic of transport while at the same time providing the possibility to separate characteristic time scales of different processes. Three atoms populations have been highlighted (energetic, quasi-thermalized and thermalized ones). Energy distribution functions of Ti+ ions have been measured using mass spectrometry and four populations have been observed and explained. Finally, deposited thin films have been analyzed by means of SEM, XRD and electron microprobe methods
Boutin, Céline. "Spectroscopie de corrélation de fluorescence pour l'étude de la diffusion membranaire dans les cellules vivantes." Troyes, 2008. http://www.theses.fr/2008TROY0019.
Full textFluorescence correlation spectroscopy (FCS) is used to probe the dynamic of molecular dyes. In particular, FCS is well adapted to investigate diffusion processes. Thus, such spectroscopic approach was suitable to study the diffusion of rhodamine-6G near a controlled interface in term of hydrophobicity degree. Finally, we have shown that rhodamin-6G is strongly attracted by hydrophobic surfaces. A study of membrane fluidity in living cells has also been conducted. It related to the multidrugs resistance (MDR) phenomena in cancer research. So, we clearly reveal the higher heterogeneity of plasma membrane in MDR cells in comparison with the sensitive ones. The effect of specific and non specific membrane agents allowed us to display the presence of distinct membrane “domain” linked to the resistance. Finally, an instrumental development based on FRET was proposed in order to strongly reduce the axial elongation of the confocal volume. Through a surface functionalization and an appropiate plasma membrane labelling, we have highlighted cell adhesion on surfaces, which enabled us to perform first local FCS measurements on cells