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Dissertations / Theses on the topic 'Manipulation de laboratoire'

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1

Marbach, Nathalie. "Risques lies a la manipulation du virus de la vaccine dans les laboratoires." Université Louis Pasteur (Strasbourg) (1971-2008), 1992. http://www.theses.fr/1992STR1M099.

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2

Rabaud, David. "Manipulation et interaction de micro-bulles sous champ acoustique." Phd thesis, Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00536932.

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Cette thèse traite de l'action des ondes acoustiques sur des bulles micrométriques excitées à leur fréquence de résonance. En effet, les bulles peuvent être considérées comme des oscillateurs mécaniques et les forces acoustiques à leur résonance, appelées forces de Bjerknes, ont des propriétés non triviales. De plus, les bulles interagissent entre elles par l'émission d'un champ secondaire, menant à leur auto-organisation sur un motif périodique. Ici, les bulles sont confinées dans des microcanaux, elles ne sont pas sphériques et frottent fortement sur les parois. L'étude expérimentale des for
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3

Gourbal, Benjamin. "Relations interspécifiques dans le modèle souris BALB/c/Taenia crassiceps. Le "comment" avant le "pourquoi" de la manipulation." Montpellier 2, 2002. http://www.theses.fr/2002MON20078.

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4

Brun, Mathieu. "Électrodes nanocomposites pour applications en microfluidique." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00744588.

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Le travail de thèse présenté dans ce manuscrit s'inscrit dans une dynamique d'intégration de matériaux non conventionnels en systèmes microfluidiques. Il vise à démontrer le potentiel du cPDMS, un matériau nanocomposite formé d'une matrice de polydiméthylsiloxane rendu conducteur par l'ajout de nanoparticules de carbone. Compatible avec les procédés technologiques habituels, le cPDMS peut être structuré dans une large gamme d'épaisseurs et de géométries mais présente surtout l'avantage de pouvoir être collé irréversiblement sur verre, PDMS et silicium. Son intégration est parfaitement étanche,
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5

Riaud, Antoine Jean-Pierre René. "Etude des potentialités offertes par la synthèse de champs d'ondes acoustiques de surface pour l'actionnement de liquides et la manipulation sans contact." Thesis, Ecole centrale de Lille, 2016. http://www.theses.fr/2016ECLI0010/document.

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Lorsque des ondes acoustiques de surface rayonnent dans des fluides, elles provoquent deux effets non linéaires : la pression de radiation et le streaming acoustique. Ces deux effets ont trouvé un grand nombre d’applications pour la microfluidique digitale, la manipulation sans contact et le tri cellulaire. Néanmoins, ces systèmes se heurtent à deux limites. D’une part, chaque application requiert une onde acoustique spécifique : il n’existe pas de dispositif multifonction à ce jour. D’autre part, l’exploration des fonctionnalités offertes par les ondes de surface les plus simples (ondes plane
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6

Ehlert, Jannik F. "Optoelectronic characterization and modeling of external cavity semiconductor diode lasers for metrological applications." Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT013.

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Les boîtes quantiques sont une technologie performante pour les diodes laser. En changeant la taille et la forme de ces boîtes et en utilisant une facette de sortie antireflet, des puces à gain peuvent être conçues pour émettre sur une large gamme de longueurs d’onde dans des lasers accordables. Cette thèse de doctorat traite à la fois de la simulation d’un laser à cavité externe et de la caractérisation expérimentale d’un laser accordable basé sur une puce à gain à boîte quantique. Un modèle d’équation d’évolution a été développé. La simulation numérique étudie les propriétés dynamiques et de
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7

Moral, Zamora Beatriz del. "Bioimpedance & dielectrophoresis instrumentation equipments for living cells manipulation and monitoring." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/395178.

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Since the first microfluidic device was developed in the early 1950s, when the basics for today’s inkjet technology were set, thousands of publications have appeared related to the topic. The increasing interest on these technologies is caused by its ability to be scaled and its rapid development, which allows manipulating and detecting small quantities of analites even at the cellular scale. The integration of microfluidic technologies with specific sensors and actuators at minute scales in order to achieve a set of automated laboratory operations and perform a particular solution for a speci
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8

Burn, C. C. "Effects of husbandry manipulations and the laboratory environment on rat health and welfare." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433382.

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9

Ng, Koon-kiu, and 吳官橋. "Using zebrafish as a model organism for the study of embryonic hematopoiesis based on chemical screening and genetic manipulation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B5071322X.

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Zebrafish has emerged as an important model for the study of embryonic hematopoiesis. It is a well-characterized model with numerous advantages. Large amount of embryos can be produced by a single pair of zebrafish and the optically transparent embryos allow direct visualization and manipulation of embryonic processes. Large-scale chemical screening using zebrafish embryos can be developed for robust screening of chemical libraries. The zebrafish hematopoiesis resembles that of mammals and occurs in two successive waves, primitive and definitive hematopoiesis. High-throughput read-outs are
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10

Ceballo, Charpentier Sebastian Arturo. "Causal manipulations of auditory perception and learning strategies in the mouse auditory cortex." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS058.

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À travers des nos sens, le cerveau reçoit une énorme quantité des informations. Cette information doit être filtrée afin d'extraire les caractéristiques les plus saillantes pour guider notre comportement. La façon dont le cerveau génère différents percepts et conduit les comportements, reste comme deux des majeures questions de la neuroscience moderne. Dans ce travail, en utilisant une tâche de discrimination Go / noGo combinée à l’optogénétique pour inactiver le cortex auditif durant le comportement la souris, nous avons établi que le cortex auditif n’est pas utilisé pour les discriminations
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11

Antonello, Andrea. "Design of a robotic arm for laboratory simulations of spacecraft proximity navigation and docking." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3426208.

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The increasing number of human objects in space has laid the foundation of a novel class of orbital missions for servicing and maintenance. The main goal of this thesis is the development, building and testing of a robotic manipulator for the simulation of orbital maneuvers, with particular attention to Active Debris Removal (ADR) and On-Orbit Servicing (OOS). There are currently very few ways to reproduce microgravity in a non-orbital environment: among the main techniques, it is worth mentioning parabolic flights, pool simulations and robotic facilities. Parabolic flights allow to reproduce
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12

Fong, Terrence W. "Design and testing of a Stewart Platform Augmented Manipulator for space applications." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/43002.

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13

Nevřiva, Václav. "Inteligentní manipulace s laboratorními objekty pomocí robotu ABB YuMi." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442858.

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The aim of the master thesis is to design a laboratory station and a control program operated by a collaborative robot IRB 14000 YuMi using an integrated effector camera to identify laboratory objects and control the progress of the task. In the introductory part, collaborative robots are briefly introduced, the IRB 14000 on which the task is implemented and the RobotStudio development environment together with the IntegratedVision extension are described in more detail. The following chapters describe the laboratory task itself, its solution and testing of the designed program.
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14

Jebari, Nessrine. "Design and Microfabrication of a Biosensor Integrating Magnetofluidic Manipulation and Direct-Field Capacitive Sensing." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST132.

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Les maladies inflammatoires chroniques nécessitent un diagnostic précoce, un pronostic et une prise en charge personnalisée, ce qui peut être réalisé grâce à un suivi non invasif en temps réel de biomarqueurs inflammatoires tels que les cytokines et les protéines de phase aiguë. La sueur, un biofluide accessible et riche en informations, offre un milieu prometteur pour ce type de suivi. Cependant, les biocapteurs actuels pour la sueur sont confrontés à des défis en termes de sensibilité et de spécificité en raison des faibles concentrations de ces biomarqueurs et de la composition complexe de
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15

Chini, Jacquelyn J. "Comparing the scaffolding provided by physical and virtual manipulative for students' understanding of simple machines." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/6391.

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Doctor of Philosophy<br>Department of Physics<br>Nobel S. Rebello<br>Conventional wisdom has long advised that students’ learning is best supported by interaction with physical manipulative. Thus, in the physics laboratory, students typically spend their time conducting experiments with physical equipment. However, computer simulations offer a tempting alternative to traditional physical experiments. In a virtual experiment, using a computer simulation, students can gather data quickly, and measurement errors and frictional effects can be explicitly controlled. This research investigates t
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16

Petersson, Malin, and Caroline Bäckström. "How does a Government Lower Primary School in India work with mathematics? - A study on how the teachers’ mathematical beliefs affect the norms operating in the classroom." Thesis, Malmö högskola, Lärarutbildningen (LUT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-35819.

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Denna studie beskriver hur en kommunal grundskola i sydvästra Indien undervisar matematik.Vår frågeställning var: Hur fungerar en indisk statlig grundskola arbetar med matematik? Vilka är lärarnas uppfattningar om skolans sätt att undervisa? För att ha möjlighet att fördjupa oss i frågorna undersökte vi även Hur lärarnas föreställningar om matematik påverkar normerna i klassrummet utifrån ramen av Yack och Cobbs normteori. Det är en kvalitativ studie där vi utförde observationer av undervisningen och intervjuer med lärare och rektorn på skolan om deras syn på matematikundervisningen, under tre
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17

Nilsson, Daniel. "Development of Next-Generation Optical Tweezers : The New Swiss Army Knife of Biophysical and Biomechanical Research." Thesis, Umeå universitet, Institutionen för fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172362.

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In a time when microorganisms are controlling the world, research in biology is more relevant than ever and this requires some powerful instruments. Optical tweezers use a focused laser beam to manipulate and probe objects on the nano- and microscale. This allows for the exploration of a miniature world at the border between biology, chemistry and physics. New methods for biophysical and physicochemical measurements are continuously being developed and at Umeå University there is a need for a new system that combines several of these methods. This would truly be the new Swiss army knife of bio
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18

Dubois, David. "Etude de la chimie de la haute et basse atmosphère de Titan : approche expérimentale." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLV049/document.

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Je présente ici mes travaux de thèseque j’ai réalisé ces trois dernières années au seindu Laboratoire ATMosphères et Observations Spa-tiales (LATMOS) de l’Université de Versailles St-Quentin-en-Yvelines (UVSQ) et du Jet PropulsionLaboratory (JPL), California Institute of Technol-ogy. Pendant ces 3 ans je me suis intéressé à la réac-tivité chimique des composés organiques en phasegaz et solide, en utilisant des expériences de labo-ratoire simulant les conditions de l’ionosphère et dela basse atmosphère de Titan, le plus gros satellitede Saturne. Titan est la seule lune du Système So-laire qui p
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19

Pinto, Ana Catarina Pires. "Advanced Mobile Manipulation for Logistics in Hospitals or Laboratories." Master's thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/84607.

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20

Pinto, Ana Catarina Pires. "Advanced Mobile Manipulation for Logistics in Hospitals or Laboratories." Dissertação, 2016. https://repositorio-aberto.up.pt/handle/10216/84607.

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21

"Exclusionary manipulation of carbon permit markets: a laboratory test." MIT Joint Program on the Science and Policy of Global Change, 2002. http://hdl.handle.net/1721.1/3553.

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The experiment reported here tests the case of so-called exclusionary manipulation of emission permit markets, i.e., when a dominant firm -- here a monopolist -- increases its holding of permits in order to raise its rivals' costs and thereby gain more on a product market. Earlier studies have claimed that this type of market manipulation is likely to substantially reduce the social gains of permit trading and even result in negative gains. The experiment designed here parallels institutional and informat ional conditions likely to hold in real trade with carbon permits among electricity produ
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22

Gomes, Erica da Cunha. "Miniature Robotic Manipulator for Remote Chemistry Laboratory." Master's thesis, 2018. https://repositorio-aberto.up.pt/handle/10216/114141.

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The main objective of this project is to create a innovating system that allows high-school students to access and control a robotic manipulator remotely in order to finish an experiment they have started earlier in the class. The aim is to create a system that any student with a device connected to the Internet and login credentials can use. So it needs to be simple enough for easy understanding but also needs to be secure in other to minimize accidents with the experiments. It's also important for the system to be low cost so schools can afford to obtain it and introduce it to daily classes.
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23

Gomes, Erica da Cunha. "Miniature Robotic Manipulator for Remote Chemistry Laboratory." Dissertação, 2018. https://repositorio-aberto.up.pt/handle/10216/114141.

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The main objective of this project is to create a innovating system that allows high-school students to access and control a robotic manipulator remotely in order to finish an experiment they have started earlier in the class. The aim is to create a system that any student with a device connected to the Internet and login credentials can use. So it needs to be simple enough for easy understanding but also needs to be secure in other to minimize accidents with the experiments. It's also important for the system to be low cost so schools can afford to obtain it and introduce it to daily classes.
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24

Boyle, Alan Edmund Lawrence. "Differential effects of an early housing manipulation on cocaine-induced activity and self-administration in laboratory rats." Thesis, 1990. http://spectrum.library.concordia.ca/3019/1/MM59131.pdf.

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25

Uddin, Md Momin Kamal. "Laboratory studies of in-situ redox manipulation for remediation of PCE, TCE and Cr(VI) contaminated groundwater in Atlantic Coastal Plain sediments." 2002. http://purl.galileo.usg.edu/uga%5Fetd/uddin%5Fmdmomin%5Fk%5F200212%5Fphd.

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Thesis (Ph. D.)--University of Georgia, 2002.<br>Directed by Valentine A. Nzengung. Includes articles submitted to Journal of environmental quality, and Environmental toxicological chemistry. Includes bibliographical references.
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26

Elliott, David B., Richard J. Foster, David J. Whitaker, Andy J. Scally, and John G. Buckley. "Analysis of lower limb movement to determine the effect of manipulating the appearance of stairs to improve safety: a linked series of laboratory-based, repeated measures studies." 2015. http://hdl.handle.net/10454/8225.

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yes<br>Background: Falls on stairs are a common and dangerous problem for older people. This series of studies evaluated whether or not selected changes to the appearance of stairs could make them safer for older people to negotiate. Objectives: To determine the effect of (1) a step edge highlighter and its position and (2) an optimised horizontal–vertical (H–V) visual illusion placed on a step riser on gait safety during stair descent and ascent. Design: A series of studies using a repeated measures, laboratory-based design, investigating gait control and safety in independently mobile
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27

Halcomb, Meredith Ellen. "Lithium effects on ethanol intake in impulsive mice." Thesis, 2013. http://hdl.handle.net/1805/3740.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>The present study sought to identify the effects of chronic lithium administration on ethanol intakes in high alcohol-preferring (HAP) mice. Lithium is a well-established treatment for bipolar disorder and has demonstrated efficacy in reducing impulsivity, an endophenotype of the disease. Impulsivity is also a prominent trait of alcoholism. HAP mice display a preference for consuming substantial amounts of ethanol and exhibit abnormally high levels of impulsivity. Previous work has determined that chronic lithium exposure in HAP mice
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