Literatura científica selecionada sobre o tema "Tomographie à cohérence optique plein champ dynamique"
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Artigos de revistas sobre o assunto "Tomographie à cohérence optique plein champ dynamique"
Monfort, Tual, Salvatore Azzollini, Nathaniel Norberg, Olivier Thouvenin e Kate Grieve. "Imagerie 3D en direct : la tomographie par cohérence optique dynamique". Photoniques, n.º 127 (2024): 32–36. http://dx.doi.org/10.1051/photon/202412737.
Texto completo da fonteMacaudiere, P., E. Goujon, J. P. Jacquot, H. Rakmani, J. C. Crepin, J. Journet, C. Landais et al. "Description structurelle de prélèvements cutanés en tomographie à cohérence optique plein champ dynamique sur des lésions suspectes de carcinome basocellulaire, une étude pilote". Annales de Dermatologie et de Vénéréologie - FMC 3, n.º 8 (dezembro de 2023): A48. http://dx.doi.org/10.1016/j.fander.2023.09.021.
Texto completo da fonteMazlin, Viacheslav, Samer Alhaddad, Martine Boccara, Thomas Maldiney, Olivier Touvenin e Claude Boccara. "De la Tomographie Optique par Cohérence Plein champ (FFOCT) à la Tomographie Optique par Transmission Plein Champ (FFOTT)". Photoniques, n.º 123 (2023): 31–35. http://dx.doi.org/10.1051/photon/202312331.
Texto completo da fonteDubois, Arnaud, e Claude Boccara. "L'OCT plein champ". Photoniques, n.º 95 (janeiro de 2019): 39–43. http://dx.doi.org/10.1051/photon/20199539.
Texto completo da fonteGlanc, Marie, e Marie Blavier. "L’imagerie rétinienne à haute résolution spatiale par optique adaptative et tomographie par cohérence optique plein champ". Photoniques, n.º 79 (novembro de 2015): 30–33. http://dx.doi.org/10.1051/photon/20157930.
Texto completo da fonteLopater, J., F. Beuvon, E. Dalimier, F. Cornud, M. Sibony e N. Barry Delongchamps. "Biopsies de prostate : performance diagnostique de la tomographie par cohérence optique plein champ (FFOCT)". Progrès en Urologie 23, n.º 13 (novembro de 2013): 1113. http://dx.doi.org/10.1016/j.purol.2013.08.219.
Texto completo da fonteDevaux, B., P. Varlet, K. Grieve, F. Harms, A. Latrive, J. Pallud, E. Dezamis, B. de Poly, C. Boccara e F. X. Roux. "Imagerie optique tissulaire par tomographie de cohérence optique plein champ (FF OCT). Étude préliminaire et applications potentielles en neurochirurgie". Neurochirurgie 58, n.º 6 (dezembro de 2012): 419. http://dx.doi.org/10.1016/j.neuchi.2012.10.034.
Texto completo da fonteYan, Keying, Zimei Zhou e Tybee Eleff. "Un nouveau cas de rétinopathie diabétique proliférante chez un patient atteint de dystrophie cônes-bâtonnets". Canadian Journal of Optometry 85, n.º 3 (25 de agosto de 2023): 73–78. http://dx.doi.org/10.15353/cjo.v85i3.5467.
Texto completo da fonteEraud, J., D. Gonnelli, M. Carmassi, L. Bruzzese, L. Andrac-Meyer, D. Casanova e G. Magalon. "Diagnostic différentiel entre cicatrices chéloïdes et hypertrophiques : une nouvelle approche en tomographie par cohérence optique plein-champ". Annales de Chirurgie Plastique Esthétique 59, n.º 4 (agosto de 2014): 253–60. http://dx.doi.org/10.1016/j.anplas.2014.02.001.
Texto completo da fonteBeuvon, F., E. Dalimier, F. Cornud e N. Barry Delongchamps. "Tomographie par cohérence optique plein champ des biopsies de la prostate : un pas vers le diagnostic pré-histologique ?" Progrès en Urologie 24, n.º 1 (janeiro de 2014): 22–30. http://dx.doi.org/10.1016/j.purol.2013.05.008.
Texto completo da fonteTeses / dissertações sobre o assunto "Tomographie à cohérence optique plein champ dynamique"
Apelian, Clément. "Imagerie Optique Multimodale des tissus par Tomographie Optique Cohérente Plein Champ". Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLET009/document.
Texto completo da fonteFull filed optical coherence tomography is a microscopy imaging technique allowing to image a specific slice in a scattering medium, in depth. This technique has been used for the diagnosis of biopsy in cancerology. This technique could be an efficient and fast way to diagnose excised tissues during surgery. This would avoid numerous reoperations procedures. These reoperations are necessary when a pathologist suspects cancerous tissue to still be present in the patient, based on histological slide examination.FFOCT has shown promising results for that purpose. Nevertheless, this technique only gives a morphological contrast of tissues, which is not enough for applying some diagnostic criteria such as cell morphology or cell density.We developed a new imaging modality based on FFOCT allowing to reveal metabolic contrast in tissues at the subcellular scale. This contrast reveals cells previously indistinguishable with FFOCT. We also used this quantitative metric to propose tools to facilitate diagnosis, using machine learning approaches
Azzollini, Salvatore. "Developing live microscopy for retinal disease modeling". Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS239.pdf.
Texto completo da fonteMy PhD project was devoted to the conception and application of non-invasive, three-dimensional, label free, live optical microscopy techniques for retinal disease modelling at high resolution. At the frontiers between physics, engineering, and biology, the main question that motivated my work was how to characterize the health of single cells in complex tissues with minimal external perturbation. In particular, I contributed to the development of a new imaging modality named dynamic full field optical coherence tomography (DFFOCT) with a particular focus on retinal samples. This new modality enabled me to study the physiology of several state-of-the art biological models, including organoids, and advanced disease models. In the two first chapters of my manuscript, I will put this new modality in context of other alternative technologies, and describe a module that I co-developed.During my PhD, I worked on transforming the needs of biologists to observe, control and optimize their experimental models into optical and technical solutions. Experiments and data analysis were mainly performed on retinal samples, including healthy and diseased organoids, and animal explants. Longitudinal and three-dimensional disease modelling in vitro studies were performed, particularly on retinal dystrophy and age-related macular degeneration (AMD), on which I will present preliminary results in chapter 2. Although very powerful to study cell dynamics in complex tissues, DFFOCT was initially limited to thick specimens, which prevented its use on 2D cell cultures, preventing to make a direct link between 2D and 3D models. During my PhD, I also contributed to the development of another optical configuration that allows to image cells close to glass coverslips. By using a self-referenced design, 2D cell cultures attached to a coverslip have become possible to image. I contributed to the realization of the modified setup and carried out part of the proof-of-concept experiments on human fibroblasts. Moreover, this new modality was used to establish a new cell discrimination pipeline in 2D, with the first results shown in the third chapter of this manuscript. Since our imaging modality captures intracellular movements within cells to quantify their local activity, we asked the question whether we could detect physiological changes through a change in activity. Working on retinal samples, we tried to detect the DFFOCT response to photo-stimulation on natural and genetically modified retinal organoids, and retinal explants. The results did not lead to a clear conclusion during my PhD as will be covered in chapter 4. However, the topic is still deeply studied in the group, as other members of the team are trying to retrieve meaningful information from the analysed datasets. As the final step of my PhD project, I built a new additional part of the optical setup: a spectral domain OCT (SDOCT) to couple to the DFFOCT and to the microscope, consequently, described in the final chapter of the thesis. The aim of this association is to add a low-resolution macroscopic perpendicular view to the existing system, in order to have a quick scan of the whole sample before delving into high resolution analysis with the DFFOCT. This would allow us to target the high content screening domain, as the time consuming DFFOCT volumetric scanning would be replaced by a hybrid SD + FF OCT imaging. Moreover, with the implementation of a dynamic algorithm, it is possible to retrieve metabolic information at macroscopic level too, similarly to what is done with the FFOCT. Future applications of the aforementioned system involve automatization of the acquisition process and, possibly, detection of photo-stimulation response
Grieve, Katharine. "Tomographie par cohérence optique plein champ pour l' ophtalmologie". Paris 6, 2005. http://www.theses.fr/2005PA066305.
Texto completo da fonteSacchet, Delphine. "Tomographie par cohérence optique plein champ linéaire et non linéaire". Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00519355.
Texto completo da fonteFederici, Antoine. "Développement de systèmes de microscopie par cohérence optique plein champ étendus spatialement et spectralement". Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS024/document.
Texto completo da fonteFull-field optical coherence tomography (FF-OCT) is an optical technology based on low-coherence interference microscopy for tomographic imaging of semitransparent samples. Non-invasive three-dimensional imaging can be performed with an isotropic spatial resolution of the order of 1 µm. During the PhD thesis, several FF-OCT systems have been reported achieving extended performances or contrast enhanced images relevant for biological tissues imaging. Firstly, a three-band, 1.9-μm axial resolution FF-OCT system has been implemented to perform spectroscopic contrast enhanced imaging of biological tissues over a 530-1700 nm wavelength range. Then, a study of the FF-OCT axial response has been carried out for maximizing the axial resolution of the system. An isotropic spatial resolution of 0.5 µm (in water) has been obtained by combining 1.2-NA microscope objectives with an optimized broad spectral band adapted to biological tissues imaging, such as skin samples. A set-up with an extended field of view of 18 mm x 18 mm has been also designed and applied to amplitude signal detection as well as depth-resolved quantitative phase signal measurement. At last, we developed a technique based on the combination of full-field swept-source optical coherence tomography (FF-SSOCT) with low spatial coherence illumination and a special numerical processing that allows for numerically focused mechanical motion-free three-dimensional imaging
Blavier, Marie. "Développement et application de la tomographie par cohérence optique plein champ pour l'étude du matériau papier". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2008. http://tel.archives-ouvertes.fr/tel-00816652.
Texto completo da fonteMorin, Antoine. "Tomographie par cohérence optique spectroscopique en plein champ : application à l'analyse des pigments des couches picturales". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00833277.
Texto completo da fonteBurcheri-Curatolo, Adriano. "Avancées en tomographie optique plein champ pour applications cliniques et biologie du développement". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00828116.
Texto completo da fonteLatrive, Anne. "Tomographie de cohérence optique plein champ pour l'endoscopie : microscopie in situ et in vivo des tissus biologiques". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://pastel.archives-ouvertes.fr/pastel-00782552.
Texto completo da fonteXiao, Peng. "Optique adaptative et interférométrie spatialement incohérente plein champ pour l’imagerie de la rétine". Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLET015/document.
Texto completo da fonteThis thesis follows the study and development of an adaptive optics full-field optical coherence tomography (AO-FFOCT) system, aiming for high resolution en face human retinal imaging. During the quantification of the effects of geometrical aberrations on the FFOCT system performance, it is shown that, with spatially incoherent illumination, the lateral resolution of FFOCT is insensitive to aberrations, which only cause the FFOCT signal reduction. Since low order aberrations like myopia and astigmatism dominate in human eye, a non-conjugate AO configuration by using transmissive wavefront corrector is suggested and applied for low order aberrations correction to simplify the AO-FFOCT system. Wavefront corrections are done with a wavefront sensorless method by using FFOCT signal level as the metric. Experiments with scattering samples and artificial eye model are conducted to demonstrate the feasibility of the customized AO-FFOCT system for aberration correction. In order to resolve the eye motion effects and employ real-time matching of the optical path lengths of the two interferometric arms in FFOCT, a system combination of traditional spectral-domain OCT (SDOCT) with FFOCT is adopted. With this combined system, high resolution FFOCT cellular retinal imaging is achieved in human eye in vivo for the first time