Academic literature on the topic 'Correction de la diffusion cellulaire'
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Journal articles on the topic "Correction de la diffusion cellulaire"
Johnson, P., JK Chan, IM Vavasour, S. Abel, LE Lee, H. Yong, C. Laule, et al. "Quantitative MRI findings indicate diffuse white matter damage in Susac Syndrome." Multiple Sclerosis Journal - Experimental, Translational and Clinical 8, no. 1 (January 2022): 205521732210788. http://dx.doi.org/10.1177/20552173221078834.
Full textFurler, S. M., A. B. Jenkins, and E. W. Kraegen. "Effect of insulin on [3H]deoxy-D-glucose pharmacokinetics in the rat." American Journal of Physiology-Endocrinology and Metabolism 255, no. 6 (December 1, 1988): E806—E811. http://dx.doi.org/10.1152/ajpendo.1988.255.6.e806.
Full textMinko, T., A. Stefanov, and V. Pozharov. "Selected Contribution: Lung hypoxia: antioxidant and antiapoptotic effects of liposomal α-tocopherol." Journal of Applied Physiology 93, no. 4 (October 1, 2002): 1550–60. http://dx.doi.org/10.1152/japplphysiol.00007.2002.
Full textBussolati, O., P. C. Laris, F. A. Nucci, V. Dall'Asta, N. Longo, G. G. Guidotti, and G. C. Gazzola. "Dependence of L-arginine accumulation on membrane potential in cultured human fibroblasts." American Journal of Physiology-Cell Physiology 253, no. 3 (September 1, 1987): C391—C397. http://dx.doi.org/10.1152/ajpcell.1987.253.3.c391.
Full textAn, Duo, Alan Chiu, James A. Flanders, Wei Song, Dahua Shou, Yen-Chun Lu, Lars G. Grunnet, et al. "Designing a retrievable and scalable cell encapsulation device for potential treatment of type 1 diabetes." Proceedings of the National Academy of Sciences 115, no. 2 (December 26, 2017): E263—E272. http://dx.doi.org/10.1073/pnas.1708806115.
Full textCHERTOCK, ALINA, ALEXANDER KURGANOV, ANTHONY POLIZZI, and ILYA TIMOFEYEV. "PEDESTRIAN FLOW MODELS WITH SLOWDOWN INTERACTIONS." Mathematical Models and Methods in Applied Sciences 24, no. 02 (December 12, 2013): 249–75. http://dx.doi.org/10.1142/s0218202513400083.
Full textAmrani Joutei, K., and Yves Glories. "Etude en conditions modèles de l'extractibillté des composés phénoliques des pellicules et des pépins de raisins rouges." OENO One 28, no. 4 (December 31, 1994): 303. http://dx.doi.org/10.20870/oeno-one.1994.28.4.1134.
Full textPouliot, Chantal. "Quand la recherche en éducation aux sciences se propose d’examiner le point de vue d’étudiants sur les rôles et capacités des acteurs sociaux concernés par les controverses sociotechniques." Articles 44, no. 3 (June 8, 2010): 435–50. http://dx.doi.org/10.7202/039948ar.
Full textLeier, Andre, and Tatiana T. Marquez-Lago. "Correction factors for boundary diffusion in reaction-diffusion master equations." Journal of Chemical Physics 135, no. 13 (October 7, 2011): 134109. http://dx.doi.org/10.1063/1.3634003.
Full textRakow-Penner, Rebecca A., Nathan S. White, Daniel J. A. Margolis, John Kellogg Parsons, Natalie Schenker-Ahmed, Joshua M. Kuperman, Hauke Bartsch, et al. "Prostate diffusion imaging with distortion correction." Magnetic Resonance Imaging 33, no. 9 (November 2015): 1178–81. http://dx.doi.org/10.1016/j.mri.2015.07.006.
Full textDissertations / Theses on the topic "Correction de la diffusion cellulaire"
Yang, Ning. "Online monitoring of bioreactors by Raman spectroscopy and machine learning." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST083.
Full textThis thesis presents a novel and reproducible modeling strategy for online monitoring of bioreactors using Raman spectroscopy and Machine Learning. The main aim of this study is to develop simplified models using the Raman spectra of standards in solution. It consists of three key parts.The first part involves optimizing Raman acquisition parameters and developing a PLS regression model using pure standards. Subsequently, a preliminary validation was carried out using mixed standards to mimic changes in the composition of different molecules in the medium during the alcoholic fermentation process. The second part defined a nonlinear expression to interpret the Raman attenuation induced by the presence of microorganisms in a real bioreactor, allowing the correction of cell--scattered spectra. For model evaluation, numerous batches and one fed--batch bioreactor were launched to validate the working performance and predictive robustness of the obtained correction strategy and regression model. The third part highlights the advantages of our proposed modeling methodology over the traditional way that uses the spectra from bioreactors to train the regression model.Overall, the innovative approach demonstrated an excellent prediction performance on all validation and testing datasets, presenting significant potential for bioprocess engineering. It enables more accurate and efficient monitoring of multiple compounds in real time, as well as enhances process control and optimization. The proposed strategy is expected to have an extended application in the bioproduction industry
Buvat, Irène. "Correction de la diffusion en imagerie scintigraphique." Paris 11, 1992. http://www.theses.fr/1992PA112310.
Full textStinson, Eric. "Distortion correction for diffusion weighted magnetic resonance images." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32587.
Full textL'imagerie par résonance magnétique (IRM) de diffusion est utile dans l'étude du cerveau humain, tant en santé que dysfonctionnel ou atteint de maladie. Malheureusement, cette technique est susceptible à des distortions géometriques qui diminuent la précision et la valeur des données. Un algorithme de correction de ces distortions doit être utilisé pendant le traitement des données. Le but de ce mémoire est de développer, d'implementer et de tester une méthode de correction des distortions pour l'IRM de diffusion. Un algorithme de correction des distortions fut developé et implémenté, puis évalué sur des ensembles de données cérébrales humaines simulées et réelles. L'algorithme fonctionne bien pour des données simulées avec des valeurs b jusqu'à b=2000 s/(mm*mm). La cause des échecs de la correction de distortion fut également étudiée. Les échecs sont attribués à une combinaison de la réduction du rapport signal sur bruit (SNR, pour signal-to-noise ratio) et de l'augmentation des différences de contraste, dans les ensembles de données avec des valeurs-b plus élevées.
Schnell, Sondre Kvalvåg, Thijs J. H. Vlugt, Jean-Marc Simon, Signe Kjelstrup, and Dick Bedeaux. "Direct calculation of the thermodynamic correction factor, gamma, from molecular dynamics simulations." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-185607.
Full textSchnell, Sondre Kvalvåg, Thijs J. H. Vlugt, Jean-Marc Simon, Signe Kjelstrup, and Dick Bedeaux. "Direct calculation of the thermodynamic correction factor, gamma, from molecular dynamics simulations." Diffusion fundamentals 16 (2011) 72, S. 1-2, 2011. https://ul.qucosa.de/id/qucosa%3A13814.
Full textIyombe, Jean-Paul. "Correction du gène de la dystrophine avec les nucléases à doigts de zinc." Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/30298/30298.pdf.
Full textGene therapy without gene transfer using specific restriction endonucleases is a therapeutic approaches aimed at the development of a cure for Duchenne muscular dystrophy (DMD). To correct the dystrophin gene with zinc finger nucleases (ZFNs) targeting exon 50of DYS gene, we produced ZFNs proteins in bacteria and purified them. The results obtained after in vitro assays show that ZFNs produced specifically recognize a target sequence located in exon 50 of the gene DYS and can be generated in a precise manner the double strand breaks. They also show that ZFNs produced proteins can be transduced with or without agent transduction, in cultured myoblasts of patients’ Duchenne dystrophy.
Suissa, Michaël Freyssingeas Eric Place Christophe. "Dynamique interne du noyau d'une cellule vivante étude par diffusion dynamique de la lumière /." [S.l.] : [s.n.], 2006. http://tel.archives-ouvertes.fr/tel-00091487.
Full textJia, Jieshuang. "Study of molecules with nonsense mutation correction capacity." Thesis, Lille 2, 2015. http://www.theses.fr/2015LIL2S009/document.
Full textNonsense mutations represent approximately 10% of mutations found in the inherited geneticdiseases. mRNAs harboring a nonsense mutation are rapidly degraded by a quality-controlmechanism called nonsense-mediated mRNA decay (NMD) to prevent the synthesis of toxic or nonfunctionaltruncated proteins. Some stratégies have been developed to correct nonsense mutations.In our lab, we study 2 of them which are (i) the NMD inhibition and (ii) the PTC-readthroughactivation which is a mechanism leading to the incorporation of an amino-acid at the PTC position. Todesign new therapeutic tools for the inherited genetic diseases, our lab tested molecules byscreening to find ones with the capacity of NMD inhibition. For each molecules selected in thescreen, we measure the efficiency of NMD inhibition and PTC-readthrough activation of thesemolecules in cell lines harboring a nonsense mutation. We have shown that amlexanox not onlyinhibits NMD but also activâtes PTC readthrough. But the efficacy of amlexanox is still low. Wewanted to find other families of molecules capable of rescuing the expression of nonsense mutationcontainingmRNA with a higher efficacy or with some specificity. In my study, I found two spécialfamilies, one is the family of apoptosis inducers and the other is the family of cytoskeleton inhibitors.I found that apoptosis inducers can inhibit NMD by activating caspase pathway and cleave NMDfactors (UPF1 and UPF2). I also found that cytoskeleton inhibitors can inhibit NMD and some of themcan activate PTC-readthrough by inducing NMD factors (UPF1 or/and UPF3X) to concentrate in Pbodiesor in other cytoplasmic foci. The efficiencies of these molecules on NMD inhibition are similaror higher than amlexanox. Apoptosis inducers and cytoskeleton inhibitors demonstrated thatmolecules which can inhibit NMD or/and activate PTC-readthrough can be found and candemonstrate a higher correction of nonsense mutation efficiency than the existing molecules(ataluren or amlexanox for example)
Valon, Léo. "Contrôle Optogénétique de la Polarité Cellulaire." Thesis, Paris, Ecole normale supérieure, 2014. http://www.theses.fr/2014ENSU0008/document.
Full textIn this thesis we focus on the mechanisms that establish cell polarization, particularly during cell migration. Despite latest developments that enable visualization of RhoGTPases activity, the underlying principles dictating the cell’s ability to coordinates multiple signaling modules is still unclear. Optogenetic methods have been recognized as promising tools to dissect these intracellular signaling networks by allowing perturbations to be spatially and temporally controlled. We established the quantitative relationship between illumination patterns and the corresponding gradients of induced signaling activity through the characterization of the biophysical properties of CRY2/CIBN. We determined that it is possible to create subcellular gradients of recruited proteins of different shapes of choice up to spatial resolutions of 5μm and temporal ones of ca. 3 minutes.We applied the aforementioned optogenetic approach as a means to perturb the activity of cdc42, Rac1 and RhoA. We characterized the effects of subcellular activation of those RhoGTPases using membrane activity, cell shape changes and cell displacement as reporters of cell polarization and migration. We show that localized activation of RhoGTPases can trigger cellular organization and drive the cell into a migrating state.We also characterized the effects of local activation of RhoA on different cellular effectors as focal adhesion complexes, actin filaments and myosin molecular motors. We measured the dynamics of the newly formed focal adhesion complexes and the acto-myosin complex during retraction events.Altogether, our optogenetic methodology enables simultaneous measurement of the imposed perturbation and the cell response in a straightforward and reproducible way. It provides a quantitative way to control cell polarity and a step forward in the dissection of subcellular signaling networks
RICA, CHARLES. "Correction de la diffusion compton en scintigraphie a l'aide de reseaux neuro-mimetiques." Paris 7, 1996. http://www.theses.fr/1996PA077272.
Full textBook chapters on the topic "Correction de la diffusion cellulaire"
Weninger, Leon, Simon Koppers, Chuh-Hyoun Na, Kerstin Juetten, and Dorit Merhof. "Free-Water Correction in Diffusion MRI: A Reliable and Robust Learning Approach." In Computational Diffusion MRI, 91–99. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52893-5_8.
Full textElhabian, Shireen, Yaniv Gur, Clement Vachet, Joseph Piven, Martin Styner, Ilana Leppert, G. Bruce Pike, and Guido Gerig. "Motion Is Inevitable: The Impact of Motion Correction Schemes on HARDI Reconstructions." In Computational Diffusion MRI, 169–79. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11182-7_15.
Full textNir, Talia M., Julio E. Villalón-Reina, Paul M. Thompson, and Neda Jahanshad. "The Impact of Susceptibility Distortion Correction Protocols on Adolescent Diffusion MRI Measures." In Computational Diffusion MRI, 50–61. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-21206-2_5.
Full textKivva, Sergii. "Flux Correction for Nonconservative Convection-Diffusion Equation." In Mathematical Modeling and Simulation of Systems, 15–31. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30251-0_2.
Full textYang, Zhanlong, Geng Chen, Dinggang Shen, and Pew-Thian Yap. "Robust Construction of Diffusion MRI Atlases with Correction for Inter-Subject Fiber Dispersion." In Computational Diffusion MRI, 113–21. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54130-3_9.
Full textLegouhy, Antoine, Mark Graham, Michele Guerreri, Whitney Stee, Thomas Villemonteix, Philippe Peigneux, and Hui Zhang. "Correction of Susceptibility Distortion in EPI: A Semi-supervised Approach with Deep Learning." In Computational Diffusion MRI, 38–49. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-21206-2_4.
Full textFort, Joaquim. "Correction to: Neolithic Transitions: Diffusion of People or Diffusion of Culture?" In Diffusive Spreading in Nature, Technology and Society, C1—C2. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-05946-9_24.
Full textPizzolato, Marco, Rutger Fick, Timothé Boutelier, and Rachid Deriche. "Noise Floor Removal via Phase Correction of Complex Diffusion-Weighted Images: Influence on DTI and q-Space Metrics." In Computational Diffusion MRI, 21–34. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54130-3_2.
Full textUgurlu, Devran, Zeynep Firat, Ugur Ture, and Gozde Unal. "Correction to: Supervised Classification of White Matter Fibers Based on Neighborhood Fiber Orientation Distributions Using an Ensemble of Neural Networks." In Computational Diffusion MRI, C1. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05831-9_31.
Full textNetsch, Thomas, and Arianne van Muiswinkel. "Image Registration for Distortion Correction in Diffusion Tensor Imaging." In Biomedical Image Registration, 171–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-39701-4_18.
Full textConference papers on the topic "Correction de la diffusion cellulaire"
Stelter, David, and Robert Sundberg. "Diffusion learning for atmospheric correction." In Imaging Spectrometry XXVI: Applications, Sensors, and Processing, edited by Emmett J. Ientilucci and Christine L. Bradley. SPIE, 2023. http://dx.doi.org/10.1117/12.2677771.
Full textSalvado, Olivier, Claudia Hillenbrand, and David L. Wilson. "Partial volume correction using reverse diffusion." In Medical Imaging, edited by J. Michael Fitzpatrick and Joseph M. Reinhardt. SPIE, 2005. http://dx.doi.org/10.1117/12.596220.
Full textWang, Xijun, Santiago Lόpez-Tapia, and Aggelos K. Katsaggelos. "Atmospheric Turbulence Correction via Variational Deep Diffusion." In 2023 IEEE 6th International Conference on Multimedia Information Processing and Retrieval (MIPR). IEEE, 2023. http://dx.doi.org/10.1109/mipr59079.2023.00022.
Full textHelou, Majed El. "Fuzzy-Conditioned Diffusion and Diffusion Projection Attention Applied to Facial Image Correction." In 2023 IEEE International Conference on Image Processing (ICIP). IEEE, 2023. http://dx.doi.org/10.1109/icip49359.2023.10223103.
Full textHai, Jiarui, and Mounya Elhilali. "Diff-Pitcher: Diffusion-Based Singing Voice Pitch Correction." In 2023 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE, 2023. http://dx.doi.org/10.1109/waspaa58266.2023.10248127.
Full textMarcon, Petr, Karel Bartusek, Radim Korinek, and Zdenek Dokoupil. "Correction of artifacts in diffusion-weighted MR images." In 2011 34th International Conference on Telecommunications and Signal Processing (TSP). IEEE, 2011. http://dx.doi.org/10.1109/tsp.2011.6043703.
Full textKafali, Sevgi Gokce, Tolga Cukur, and Emine Ulku Saritas. "Simultaneous phase-correction and denoising for diffusion-weighted MRI." In 2016 24th Signal Processing and Communication Application Conference (SIU). IEEE, 2016. http://dx.doi.org/10.1109/siu.2016.7495989.
Full textFan, Zhigang, and Shenge Wang. "Error diffusion using 2x2 color correction and increment matching." In Electronic Imaging, edited by Reiner Eschbach and Gabriel G. Marcu. SPIE, 1999. http://dx.doi.org/10.1117/12.373430.
Full textXiaocong, Jin, Ma Xiaoyan, Zhang Xiaobing, and Lei Wei. "Gamma Correction of FED Based on Error Diffusion Algorithm." In 2006 19th International Vacuum Nanoelectronics Conference. IEEE, 2006. http://dx.doi.org/10.1109/ivnc.2006.335258.
Full textYang, Shangrong, Chunyu Lin, Kang Liao, and Yao Zhao. "Innovating Real Fisheye Image Correction with Dual Diffusion Architecture." In 2023 IEEE/CVF International Conference on Computer Vision (ICCV). IEEE, 2023. http://dx.doi.org/10.1109/iccv51070.2023.01166.
Full textReports on the topic "Correction de la diffusion cellulaire"
Monetary Policy Report - January 2023. Banco de la República, June 2023. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr1-2023.
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