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Relevant bibliographies by topics / Laser Fluorescence Imaging / Dissertations / Theses

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Dissertations / Theses on the topic 'Laser Fluorescence Imaging'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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1

Tecu, Kirk S. "Laser induced fluorescence imaging of counterflow diffusion flames /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841342.

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2

Sasaki, K., S. Matsui, H. Ito, and K. Kadota. "Dynamics of laser-ablation Ti plasmas studied by laser-induced fluorescence imaging spectroscopy." American Institute of Physics, 2002. http://hdl.handle.net/2237/7045.

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3

Capewell, Dale L. Goodwin David G. Goodwin David G. "Planar laser induced fluorescence imaging and Monte Carlo simulations of pulsed laser ablation /." Diss., Pasadena, Calif. : California Institute of Technology, 1997. http://resolver.caltech.edu/CaltechETD:etd-01102008-095243.

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4

Ombinda-Lemboumba, Saturnin. "Laser induced chlorphyll fluorescence of plant material." Thesis, Stellenbosch : University of Stellenbosch, 2007. http://hdl.handle.net/10019.1/3064.

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Thesis (MSc (Physics))--University of Stellenbosch, 2007.<br>Imaging and spectroscopy of laser induced chlorophyll fluorescence (LICF) are emerging as useful tools in plant physiology and agriculture since these methods allow an early detection of plant stress and transformation of plant tissue, before visual symptoms appear. Chlorophyll fluorescence is governed by photosynthetic efficiency and it depends on the plant species and physiological state. In addition, the laser induced fluorescence of chlorophyll molecules in the red and far red spectral range is also used to study basic proce

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5

Jiang, Naibo. "Development of high repetition rate no planar laser induced fluorescence imaging." The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1150140816.

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6

Elson, Daniel S. "Development of ultrafast laser technology and its application to fluorescence lifetime imaging." Thesis, Imperial College London, 2003. http://hdl.handle.net/10044/1/12005.

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7

Auksorius, Egidijus. "Multidimensional fluorescence imaging and super-resolution exploiting ultrafast laser and supercontinuum technology." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/4201.

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This thesis centres on the development of multidimensional fluorescence imaging tools, with a particular emphasis on fluorescence lifetime imaging (FLIM) microscopy for application to biological research. The key aspects of this thesis are the development and application of tunable supercontinuum excitation sources based on supercontinuum generation in microstructured optical fibres and the development of stimulated emission depletion (STED) microscope capable of fluorescence lifetime imaging beyond the diffraction limit. The utility of FLIM for biological research is illustrated by examples o

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8

Lanigan, Peter Michael Pinto. "Applications of confocal and multiphoton laser scanning microscopes to multi-dimensional fluorescence imaging." Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439847.

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9

Sasaki, K., T. Wakasaki, S. Matsui, and K. Kadota. "Distributions of C_2 and C_3 radical densities in laser-ablation carbon plumes measured by laser-induced fluorescence imaging spectroscopy." American Institute of Physics, 2002. http://hdl.handle.net/2237/7043.

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10

Berckmuller, Martin. "A study of mixture formation in a lean burn research engine using laser fluorescence imaging." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/9933.

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Lean burn in spark-ignition engines offers a significant efficiency advantage compared with stoichiometric operation. The lean operation is restricted by increasing cyclic fluctuation in torque. In order to make use of the efficiency advantage and meet the mandatory emission standards the lean operation limit has to be further extended. This requires particular control of the mixing of fuel and air. To study the effect of mixture formation on cyclic variability and to provide quantitative information on the mixing of air and fuel planar laser-induced fluorescence (PLIF) was developed and appli

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11

Berkmuller, Martin. "A study of mixture formation in a lean burn research engine using laser fluorescence imaging." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/10431.

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Lean burn in spark-ignition engines offers a significant efficiency advantage compared with stoichiometric operation. The lean operation is restricted by increasing cyclic fluctuation in torque. In order to make use of the efficiency advantage and meet the mandatory emission standards the lean operation limit has to be further extended. This requires particular control of the mixing of fuel and air. To study the effect of mixture formation on cyclic variability and to provide quantitative information on the mixing of air and fuel planar laser-induced fluorescence (PLIF) was developed and appli

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12

Fuller, Joseph P. "High-frame-rate planar laser-induced fluorescence imaging of diesel sprays using pulse burst diagnostics." [Ames, Iowa : Iowa State University], 2009.

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13

Yamamoto, Ryuta. "A Quantum Gas Microscope of Two-electron Atoms with Fluorescence and Faraday Imaging." Kyoto University, 2016. http://hdl.handle.net/2433/217727.

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14

Staufer, Theresa Maria [Verfasser], and Florian [Akademischer Betreuer] Grüner. "X-Ray Fluorescence Imaging with a Laser-Driven X-Ray Source / Theresa Maria Staufer ; Betreuer: Florian Grüner." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2020. http://d-nb.info/1217408878/34.

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15

Moses, Lance. "Fluorescence Imaging of Analyte Profiles in an Inductively Coupled Plasma with Laser Ablation as a Sample Introduction Source." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/4367.

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Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) has risen to among the top tier techniques for the direct analysis of solid samples. However, significant problems remain that must be solved to achieve the full analytical potential of LA-ICP-MS. Inefficient conversion of aerosol to ions within the ICP or transmission through the MS interface may decrease precision, sensitivity, and/or accuracy. Although fundamental mechanisms that govern ion production and transmission have been studied extensively in solution-nebulization (SN) ICP-MS instruments, significant gaps in our

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16

Brümmer, Theresa [Verfasser], and Florian [Akademischer Betreuer] Grüner. "Design Study of a Laser-Driven X-ray Source for Medical Fluorescence Imaging / Theresa Brümmer ; Betreuer: Florian Grüner." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2018. http://d-nb.info/1160036063/34.

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17

Brümmer, T. [Verfasser], and Florian [Akademischer Betreuer] Grüner. "Design Study of a Laser-Driven X-ray Source for Medical Fluorescence Imaging / Theresa Brümmer ; Betreuer: Florian Grüner." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2018. http://nbn-resolving.de/urn:nbn:de:gbv:18-91354.

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18

Liu, Quan. "Planar laser induced fluorescence imaging and analysis with ethanol blended fuels in a direct injection spark ignition engine." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/14786.

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The currently reported thesis was concerned with visualisation of the charge homogeneity and cyclic variations within the planar fuel field near the spark plug in an optical spark ignition engine fitted with an outwardly opening central direct fuel injector. Specifically, the project examined the effects of fuel type and injection settings, with the overall view to understanding some of the key mechanisms previously identified as leading to particulate formation in such engines. The three fuels studied included a baseline iso-octane, which was directly compared to two gasoline fuels containing

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19

Kranz, Patrick [Verfasser], and Sebastian [Akademischer Betreuer] Kaiser. "Imaging of mixing processes in spark-ignition engines via quantitative laser-induced fluorescence / Patrick Kranz ; Betreuer: Sebastian Kaiser." Duisburg, 2020. http://d-nb.info/1218465352/34.

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20

Bélisle, Jonathan. "Design and assembly of a multimodal nonlinear laser scanning microscope." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100765.

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The objective of this thesis is to present the fabrication of a multiphoton microscope and the underlying theory responsible for its proper functioning. A basic introduction to nonlinear optics will give the necessary knowledge to the reader to understand the optical effects involved. Femtosecond laser pulses will be presented and characterized. Each part of the microscope, their integration and the design of the microscope will be discussed. The basic concepts of laser scanning microscopy are also required to explain the design of the scanning optics. Fast scanning problems and their solution

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21

Edmund, Alisa Jane. "Laser-Induced Fluorescence Imaging of Calcium and Barium Ion Beams in the Second Vacuum Stage of a Commercial Inductively Coupled Plasma Mass Spectrometer." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4135.

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Inductively coupled plasma-mass spectrometers (ICP-MS) have become the workhorses of many analytical labs over the past few decades. Despite the instruments' high sensitivities and low detection limits there is still a demand for improvements in several aspects of their performance. One area of improvement is in the understanding of "space charge effects" Space charge effects are classified as problems associated with the ion beam. Problems are created when the mutual repulsions of the ions make consistent focusing of the ion beam difficult. This is particularly problematic with samples conta

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22

Vilmart, Gautier. "Détection de vapeurs d'atomes métalliques par fluorescence induite par laser (LIF) : application à la propulsion solide." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS523/document.

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Cette thèse porte sur la méthode de Fluorescence Induite par Laser (LIF) à haute cadence développée sur deux atomes métalliques (Al et Fe) utilisés comme traceurs fluorescents dans les flammes de propergols solides où ils sont naturellement présents. Deux expériences d’évaporation de l’aluminium sont mises en œuvre pour mettre au point la technique dans des conditions contrôlées sur une large gamme de pressions et températures. Un modèle théorique du processus de fluorescence appliqué à ces deux atomes est élaboré pour calculer les taux de quenching du signal avec la pression et la température

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23

Davoudi, Henrik. "Characterisation of mixture preparation in lean premixed prevaporised combustor modules by planar laser fluorescence imaging and computational fluid dynamics modelling." Thesis, Cranfield University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393697.

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24

Wall, Richard Andrew. "Multi-Modality Endoscopic Imaging for the Detection of Colorectal Cancer." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/301761.

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Optical coherence tomography (OCT) is an imaging method that is considered the optical analog to ultrasound, using the technique of optical interferometry to construct two-dimensional depth-resolved images of tissue microstructure. With a resolution on the order of 10 μm and a penetration depth of 1-2 mm in highly scattering tissue, fiber optics-coupled OCT is an ideal modality for the inspection of the mouse colon with its miniaturization capabilities. In the present study, the complementary modalities laser-induced fluorescence (LIF), which offers information on the biochemical makeup of the

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25

Palmer, Johannes [Verfasser], Reinhold [Akademischer Betreuer] Kneer, and Frank [Akademischer Betreuer] Beyrau. "A laser-induced fluorescence technique for temperature imaging of micro-droplets avoiding morphology dependent resonances / Johannes Palmer ; Reinhold Kneer, Frank Beyrau." Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/121778974X/34.

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26

Watson, Jeffrey R., Summer Garland, and Marek Romanowski. "Intraoperative visualization of plasmon resonant liposomes using augmented microscopy." SPIE-INT SOC OPTICAL ENGINEERING, 2017. http://hdl.handle.net/10150/625390.

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Plasmon resonance associated with nanoparticles of gold can enable photothermal ablation of tissues or controlled drug release with exquisite temporal and spatial control. These technologies may support many applications of precision medicine. However, clinical implementations of these technologies will require new methods of intraoperative imaging and guidance. Near-infrared laser surgery is a prime example that relies on improved image guidance. Here we set forth applications of augmented microscopy in guiding surgical procedures employing plasmon resonant gold-coated liposomes. Absorption o

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27

Dunand, Pierre. "Étude de l'impact de goutte sur une paroi chaude en régime de Leidenfrost." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0166/document.

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Les impacts de gouttes sur paroi chaude sont présents dans de multiples domaines, tels que l'injection de diesel sous forme de spray dans des moteurs à combustions internes, ou le traitement thermiques de l'acier dans le domaine de la sidérurgie. L'étude de l'interactions goutte/paroi permet de mieux comprendre les phénomènes thermiques mis en jeu, et ainsi d'aboutir à des économies d'énergies et d'eau. De nombreux travaux portent sur cette thématique, mais ils présentent des résultats divergents et uniquement basés sur l'étude de la paroi chaude. Cette thèse a pour but d'apporter des mesures

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28

Guiberti, Thibault. "Analyse de la topologie des flammes prémélangées swirlées confinées." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2015. http://www.theses.fr/2015ECAP0014/document.

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Ce travail porte sur la stabilisation de flammes prémélangées et swirlées de mélanges combustibles méthane/hydrogène/air avec différents taux de dilution d’azote et de dioxyde de carbone. Une tige centrale permet de stabiliser des flammes pour de faibles nombres de swirl. Le sommet de la flamme interagît éventuellement avec les parois de la chambre de combustion. L’objectif ces travaux est d’améliorer la connaissance des mécanismes qui gouvernent la stabilisation et la topologie de ces flammes. Ces travaux démontrent que le nombre de swirl, la composition du mélange combustible, la géométrie d

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29

Cosimi, Julien. "Caractérisations d'un jet de plasma froid d'hélium à pression atmosphérique." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30136.

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Les jets de plasma froid à la pression atmosphérique connaissent un réel engouement dans de nombreux domaines du biomédical depuis la dernière décennie. Dans les différentes applications de ces jets, le plasma généré est amené à interagir avec de nombreux types de surfaces. Les jets de plasma ont une influence sur les surfaces traitées, mais il est maintenant connu que les surfaces traitées influencent également le plasma en fonction de leurs caractéristiques. Le travail mené dans cette thèse a donc pour but de caractériser un jet de plasma froid d'hélium à la pression atmosphérique en contact

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30

Tawidian, Hagop-Jack. "Formation et comportement de nanoparticules dans un plasma : instabilités dans les plasmas poudreux." Thesis, Orléans, 2013. http://www.theses.fr/2013ORLE2033/document.

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L'objectif de cette thèse est l'étude de la formation de nanoparticules carbonées dans un plasma basse pression. Les poussières sont créées par pulvérisation d'une couche de polymère déposée sur l'électrode d'une décharge radio fréquence à couplage capacitif. La présence des poudres perturbe et modifie les propriétés du plasma. La croissance des poudres peut notamment déclencher des instabilités basse fréquence qui évoluent avec la taille et la densité des poudres. Au centre du plasma, une région sans poudre, appelée void, est souvent observée. Cette région se caractérise en particulier par un

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31

Lee, Woei Ming. "Optical trapping : optical interferometric metrology and nanophotonics." Thesis, St Andrews, 2010. http://hdl.handle.net/10023/882.

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32

Thompson, James Russell. "Imaging the assembly of the Staphylococcal pore-forming toxin alpha-Hemolysin." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:e320004a-6118-4dac-af2a-eca6e90be7ac.

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Alpha-hemolysin is a pore-forming toxin secreted by pathogenic Staphylococcus aureus. Its spontaneous oligomerization and assembly into a trans-bilayer beta-barrel pore is a model for the assembly of many other pore-forming toxins. It is studied here in vitro as a means to probe general membrane protein oligomerization and lipid bilayer insertion. This thesis details the results of experiments to develop and implement a novel in vitro lipid bilayer system, Droplet-on-Hydrogel Bilayers (DHBs) for the single-molecule imaging of alpha-hemolysin assembly. Chapter 2 describes the development of DHB

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33

Dowling, Keith. "Application of ultrafast lasers to fluorescence lifetime imaging." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313763.

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34

Bookjans, Eva M. "Relative number squeezing in a Spin-1 Bose-Einstein condensate." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37148.

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The quantum properties of matter waves, in particular quantum correlations and entanglement are an important frontier in atom optics with applications in quantum metrology and quantum information. In this thesis, we report the first observation of sub-Poissonian fluctuations in the magnetization of a spinor 87Rb condensate. The fluctuations in the magnetization are reduced up to 10 dB below the classical shot noise limit. This relative number squeezing is indicative of the predicted pair-correlations in a spinor condensate and lay the foundation for future experiments involving spin-squeezing

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35

Chadwick, Helen J. "Angular momentum polarisation effects in inelastic scattering." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:474b04fa-4f50-4618-88ab-c85878723f2a.

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In this thesis, a joint experimental and theoretical investigation of the vector properties that describe the inelastic scattering of a diatomic radical with an atomic collision partner is presented. A particular emphasis is placed on those correlations that include the final rotational angular momentum, j', of the radical. The depolarisation of both NO(A) and OH(A) brought about through collisions with krypton has been studied, providing a measure of the j-j' correlation, where j is the initial rotational angular momentum associated with the diatom. The total depolarisation cross- sections fo

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36

Milea, Andrei-Silviu. "Experimental investigation of innovative Low NOx / low soot injection systems for spinning combustiοn technology using advanced laser diagnostics". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR43.

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Les effets anthropogéniques sur l’environnement posent un défi majeur pour l’industrie aéronautique. Des réglementations de plus en plus strictes et la nécessité de rendre le transport aérien durable orientent les recherches actuelles vers des systèmes propulsifs innovants. Dans ce contexte, Safran Helicopter Engines développe sa technologie brevetée de combustion giratoire (SCT), visant à améliorer les performances des moteurs d’hélicoptères. Déjà implémentée sur le moteur Arrano, cette technologie est davantage optimisée pour réduire significativement les émissions de NOx et de suies. Dans l

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37

Do, Le Duy. "Relation entre l’annexine A6 et la phospholipase D1 pendant le processus d’exocytose dans les cellules PC12." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10160/document.

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L'exocytose régulée, est un processus qui permet la communication entre les cellules à travers la sécrétion des hormones et des neurotransmetteurs. Dans les neurones et les cellules neuroendocrines, l'exocytose est strictement contrôlée par des signaux extracellulaires tels que le potentiel trans-membranaire et la fixation des ligands sur des récepteurs. Des progrès substantiels ont été effectués afin de comprendre le mécanisme moléculaire de l'exocytose. Les composants majeurs de la machinerie de sécrétion ont été dévoilés. Maintenant, la question qui émerge concerne le rôle de la plateforme

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38

Crépeau, Joël. "Development of a single-mode interstitial rotary probe for In Vivo deep brain fluorescence imaging." Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/29428/29428.pdf.

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Ce mémoire rend compte de l’expertise développée par l’auteur au Centre de recherchede l’Institut universitaire en santé mentale de Québec (CRIUSMQ) en endoscopie fibrée. Il décrit la construction d’un nouveau type de microscope optique, le MicroscopeInterstitiel Panoramique (PIM). Par la juxtaposition d’un court morceau de fibre à gradientd’indice et d’un prisme à l’extrémité d’une fibre monomode, la lumière laser estfocalisée sur le côté de la sonde. Pour former une image, cette dernière est rapidementtournée autour de son axe pendant qu’elle est tirée verticalement par un actuateurpiézo-éle

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39

Biasiori-Poulanges, Luc. "Fragmentation aérodynamique d’une goutte liquide induite par une onde de choc plane High-magnification shadowgraphy for the study of dropbreakup in a high-speed gas flow On the formation and recurrent shedding of ligaments in droplet aerobreakup Data on eosin y solutions for laser-induced fluorescence in water flows Multimodal imaging for intra-droplet gas-cavity observation during droplet fragmentation." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2021. http://www.theses.fr/2021ESMA0002.

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Ce travail de thèse propose une description originale de la fragmentation aérodynamique d’une goutte d’eau, induite par une onde de choc plane, pour des régimes à la frontière entre les modes gouvernés par l’instabilité de Rayleigh-Taylor et ceux dominés par l’instabilité de Kelvin-Helmholtz. Un banc expérimental composé d’un tube à choc couplé à des diagnostics d’imagerie rapide est exploité pour caractériser les processus de fragmentation. Les résultats expérimentaux sont complétés par des simulations numériques réalisées à partir du code multiphasique compressible open-source ECOGEN. L’effe

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40

Banerjee, Amartya. "Beta-Peptide Helices As Transmembrane Domains: Aggregation, Recognition and Lipid-Peptide Interaction." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E56E-5.

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প্লাজমা ঝিল্লি একটি প্রাথমিক কার্যকরী ইউনিট হিসাবে একটি কোষ দক্ষ কার্যকরী জন্য অপরিহার্য হিসাবে গণ্য করা হয়। এই ঝিল্লিগুলি বহিরাগত কোষের কোষের ভিতরের অংশটিকে পৃথক করে এবং পাশাপাশি এটি জুড়ে চলমান নিয়ন্ত্রনের বাধা হিসাবে কাজ করে। প্লাজমা ঝিল্লিগুলি বিভিন্ন বিভিন্ন উপাদানের সাথে গঠিত, তবে সবার মধ্যে, ঝিল্লি প্রোটিনগুলিকে বৈজ্ঞানিক সম্প্রদায়ের দ্বারা প্লাজমা ঝিল্লির প্রধান কাঠামোগত এবং কার্যকরী স্তম্ভগুলির মধ্যে সর্বসম্মতিক্রমে গ্রহণ করা হয়। বৈজ্ঞানিক গবেষণায়, ঝিল্লী প্রোটিনগুলির কার্যকারিতা গুরুতর রোগের জন্য দায়ী বলে মনে করা হয়েছে। সুতরাং, এটি কৃত্রিম ট্রান্সমেম্রেন প্রোটিন ডোমেনগুলি ডিজা

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41

Septiadi, Dedy. "Optical imaging and drug delivery using soft- and hard- nanomaterials." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAF036/document.

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Le travail décrit dans cette thèse se concentre sur le développement de matériaux « durs et mous » ainsi que leur interaction avec les cellules biologiques pour une application finale dans le domaine de la théranostique couvrant l'imagerie, la détection, la thérapie génique et la thérapie du cancer. Dans ce contexte, nous avons tout d'abord étudié l'utilisation de complexes (II) de platine phosphorescents auto-assemblés comme sonde cellulaire. Nous avons étendu l'idée de bio-imagerie en introduisant un concept d’imagerie basée sur l’émission stimulée où nous étions en mesure de générer un lase

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42

Moreau, David. "Infrared stimulation of neurons." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0050/document.

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L’exposition aux radiations laser infrarouge peut être utilisée afin de dépolariser des neurones et stimuler l’activité neuronale. Le mécanisme sous-jacent d’une telle stimulation est supposé résulter d’une interaction photothermique. En effet, l’absorption de la radiation infrarouge par le tissu biologique cible, et l’eau qu’il contient, induit une augmentation de température de manière localisée, qui soit influencerait directement les propriétés membranaires de la cellule soit agirait par le biais de l’activation de canaux ioniques thermo-sensibles. Dans la plupart des cas, l’activité électr

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Palma, Philip Charles. "Laser-induced fluorescence imaging in free-piston shock tunnels." Phd thesis, 1999. http://hdl.handle.net/1885/144483.

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Capewell, Dale L. "Planar Laser Induced Fluorescence Imaging and Monte Carlo Simulations of Pulsed Laser Ablation." Thesis, 1997. https://thesis.library.caltech.edu/111/3/Capewell_dl_1997.pdf.

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<p>The first reported planar laser-induced fluorescence (PLIF) images depicting the relative ground-state, neutral density of Si within a pulsed laser ablation (PLA) plume as it expands into vacuum and 10 mTorr Ar are presented. Because of the high flow speeds in PLA plumes and the narrow bandwidth of typical lasers, several images acquired with the laser detuned incrementally must be superimposed to produce images which compensate for Doppler shifts. Density profiles of Si along the axis of symmetry as a plume expands into Ar at pressures of 0-150 mTorr demonstrate the influence of a backgrou

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Burns, Ross Andrew. "Development of scalar and velocity imaging diagnostics for supersonic hypermixing strut injector flowfields." Thesis, 2014. http://hdl.handle.net/2152/28316.

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A new diagnostic technique for studying the turbulent mixing characteristics of supersonic mixing flowfields is developed and implemented in two Mach 3 mixing flowfields. The diagnostic utilizes simultaneous particle image velocimetry and quantitative planar laser-induced fluorescence of krypton gas to study the interaction between turbulent scalar and velocity fields. The fluorescence properties of krypton gas are determined; measurements of the pressure and temperature dependence of the collisional quenching rates and cross-sections are made for various mixtures with krypton. The gases teste

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Lochman, Bryan John. "Technique for imaging ablation-products transported in high-speed boundary layers by using naphthalene planar laser-induced fluorescence." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1922.

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A new technique is developed that uses planar laser-induced fluorescence (PLIF) imaging of sublimated naphthalene to image the transport of ablation products in a hypersonic boundary layer. The primary motivation for this work is to understand scalar transport in hypersonic boundary layers and to develop a database for validation of computational models. The naphthalene is molded into a rectangular insert that is mounted flush with the floor of a Mach 5 wind tunnel. The distribution of naphthalene in the boundary layer is imaged by using PLIF, where the laser excitation is at 266 nm and the fl

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Düwel, Isabell [Verfasser]. "Spray combustion diagnostics with tracer based laser induced fluorescence imaging / vorgelegt von Isabell Düwel." 2007. http://d-nb.info/984134751/34.

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Shian, Miin-liang, and 蕭敏良. "Measurement of velocity distributionof seeded jet beams by laser-induced fluorescence and imaging techniques." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/55381760113190122072.

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Fox, Jodie Simone. "Visualisation and instantaneous planar laser-induced fluorescence imaging techniques developed and applied to turbulent flows." Phd thesis, 2003. http://hdl.handle.net/1885/150353.

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"Visualization of Brain Tumors with Intraoperative Confocal Laser Endomicroscopy." Doctoral diss., 2020. http://hdl.handle.net/2286/R.I.57300.

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abstract: Intraoperative diagnosis in neurosurgery has traditionally relied on frozen and formalin-fixed, paraffin-embedded section analysis of biopsied tissue samples. Although this technique is considered to be the “gold standard” for establishing a histopathologic diagnosis, it entails a number of significant limitations such as invasiveness and the time required for processing and interpreting the tissue. Rapid intraoperative diagnosis has become possible with a handheld confocal laser endomicroscopy (CLE) system. Combined with appropriate fluorescent stains or labels, CLE provides an imag

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