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Добірка наукової літератури з теми "Toxicologie – Optique"
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Статті в журналах з теми "Toxicologie – Optique"
Gautam, Nawaraj. "Food Colorants and their Toxicology: An Overview." Sunsari Technical College Journal 2, no. 1 (April 28, 2016): 69–75. http://dx.doi.org/10.3126/stcj.v2i1.14803.
Повний текст джерелаCharlebois, Denis, Konka Veeranjaneyulu, and Roger M. Leblanc. "Étude de l’activité photosynthétique à l’aide de la spectroscopic photoacoustique: applications potentielles en écotoxicologie." Water Quality Research Journal 28, no. 4 (November 1, 1993): 743–56. http://dx.doi.org/10.2166/wqrj.1993.040.
Повний текст джерелаBetton, G., A. Cockburn, E. Harpur, J. Hopkins, P. Illing, C. Lumley, and T. Connors. "A Critical Review of the Optimum Duration of Chronic Rodent Testing for the Determination of Non-Tumourigenic Toxic Potential: A Report by the BTS Working Party on Duration of Toxicity Testing." Human & Experimental Toxicology 13, no. 4 (April 1994): 221–32. http://dx.doi.org/10.1177/096032719401300401.
Повний текст джерелаMuhammad Qasim Memon, Rabail Altaf, Pardeep Kumar, Abrar Ul Hasnain Memon, Haya Afzal Memon, and Sultan Rajper. "The most optimum imaging modality for diagnosis of shajjah hurt in medicolegal cases of head injuries." Professional Medical Journal 30, no. 01 (January 1, 2023): 118–23. http://dx.doi.org/10.29309/tpmj/2023.30.01.7122.
Повний текст джерелаWhite, S. L., and D. M. Hoover. "Effects of long-term exposure to modified Karnovsky’s fixative on tissue ultrastructure." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 3 (August 12, 1990): 806–7. http://dx.doi.org/10.1017/s042482010016159x.
Повний текст джерелаKrokos, Adamantios, Elisavet Tsakelidou, Eleni Michopoulou, Nikolaos Raikos, Georgios Theodoridis, and Helen Gika. "NSAIDs Determination in Human Serum by GC-MS." Separations 5, no. 3 (July 16, 2018): 37. http://dx.doi.org/10.3390/separations5030037.
Повний текст джерелаNorheim, Gunnar. "AN APPROACH TO THE PROBLEM OF OPTIMUM SELENIUM INTAKE IN MAN." Acta Pharmacologica et Toxicologica 59 (March 13, 2009): 177. http://dx.doi.org/10.1111/j.1600-0773.1986.tb02737.x.
Повний текст джерелаScarpitta, S. Charles. "Optimum 222Rn-adsorbing Activated Charcoals." Health Physics 62, no. 6 (June 1992): 576–80. http://dx.doi.org/10.1097/00004032-199206000-00013.
Повний текст джерелаXiong, Lu, Mengxue Peng, Meng Zhao, and Zhihong Liang. "Truncated Expression of a Carboxypeptidase A from Bovine Improves Its Enzymatic Properties and Detoxification Efficiency of Ochratoxin A." Toxins 12, no. 11 (October 29, 2020): 680. http://dx.doi.org/10.3390/toxins12110680.
Повний текст джерелаJoksić, Gordana, Mileva Mićić, Jelena Filipović, Dunja Drakulić, Miloš Stanojlović, Bojan Čalija, Ana Valenta Šobot, Miroslav Demajo, and Robert Nilsson. "Cell proliferation assay – method optimisation for in vivo labeling of DNA in the rat forestomach." Acta Veterinaria 67, no. 1 (March 1, 2017): 1–10. http://dx.doi.org/10.1515/acve-2017-0001.
Повний текст джерелаДисертації з теми "Toxicologie – Optique"
Dittmar, Eric. "Etude des paramètres physico-chimiques lors de la thermolyse de matériaux utilisés en aéronautique et dans le bâtiment." Rouen, 1990. http://www.theses.fr/1990ROUE5008.
Повний текст джерелаAzemar, Nathan. "Μοdélisatiοn des tοxicités οptiques induites par radiοthérapie avec faisceaux de prοtοns". Electronic Thesis or Diss., Normandie, 2024. https://theses.hal.science/tel-04947852.
Повний текст джерелаProton therapy, with its ability to deliver high doses to tumors while sparing healthy tissues, is a preferred therapeutic option for treating tumors located near optical structures. However, radiation exposure can damage visual pathways, leading to severe visual deficits. This thesis aims to model the optical toxicities induced by proton therapy in patients treated for head and neck tumors. This work is based on the analysis of dosimetric and paraclinical data collected from 223 patients treated with proton therapy at the Centre François Baclesse and monitored at the University Hospital of Caen. A multicenter database was created, including dosimetry data as well as paraclinical examination results (visual field tests, optical coherence tomography, and visual evoked potentials). A relational model was developed to establish a link between visual field outcomes and the dose received by visual organs. This modeling highlighted challenges in associating visual field points with optical pathway structures, due to the small size of these structures, segmentation uncertainties, and patient movements. Consequently, a data reduction and uncertainty evaluation were performed. These analyses revealed the immediate effects of treatment on paraclinical examinations, as well as their progression over time. This work paves the way for the use of geometric and statistical models to predict visual complications, thus optimizing patient care
Juricek, Ludmila. "Rôles du récepteur aux hydrocarbures aromatiques (AhR) dans la structure de la myéline du système nerveux central de la souris." Thesis, Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCB166.
Повний текст джерелаThe aryl hydrocarbon receptor (AhR) is a transcription factor activated by many xenobiotics (foreign molecules) that regulates the expression of enzymes and transporters which allow the metabolism and elimination of these ligands. This protein expressed in all cells in vertebrates, plays a major role in detoxication and protection of the organisms against toxic molecules. Some orthologs have been identified in invertebrates but do not seem to play the same role; they are expressed mainly in neurons and are not activated by pollutants. The absence of the AhR in these organisms causes at the cellular level, defects of the dendritic morphology and behaviourally, abnormalities in the feeding behavior. Despite these findings, little research has been conducted on the consequences of the AhR invalidation in the central nervous system of vertebrates. During my PhD, I studied these consequences at the molecular, cellular and behavioral : the AhR knockout mice develop a horizontal pendular nystagmus whose origin is partly related to structural defects in the myelin sheath. At the molecular level, we have shown modifications in the lipid composition, myelin and inflammation gene expression, defects that are found partly in mice whose AhR was invalidated specifically in the oligodendrocytes, the cells involved in myelin sheath formation. I therefore made parallel studies on the murine oligodendrocyte lineage, 158N, and showed that the invalidation of the AhR in this cell line and in vivo, altered MAG (Myelin Associated Glycoprotein) gene expression. Given the role of the AhR as a receptor of pollutants, we have also exposed or treated our models with TCDD (dioxin of Seveso) and showed that it also changed the expression of MAG gene. My works show that the AhR is involved in oligodendrocyte level in the formation of the myelin sheath. As the AhR is also a receptor of pollutants, some environmental contaminants may play a role in the incidence of diseases in the central nervous system, which raises many issues in terms of public health
Ghazaly, Christelle. "Développement d’un capteur spectrophotométrique pour la mesure en temps réel des expositions professionnelles à l’ozone." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0207.
Повний текст джерелаOzone causes headaches, eye burns and lung damage and serious respiratory diseases such as asthma. Ozone is emitted into the atmosphere of workplaces in various sectors, including printing, water treatment, arc welding, and plastics processing. Exposure of workers to concentrations exceeding national and european ozone occupational exposure limit values (OELs), set at 100 ppbv over 8 hours and 200 ppbv over 15 minutes, may cause severe health alterations. Currently, the determination of ozone concentrations is carried out by using colorimetric tubes, providing spot measurements, or by using commercial sensors. Some studies were carried out on electrochemical cells or semiconductors based sensors and more rarely on optical sensors. The detection limit of these sensors is compatible with ozone OELs, but they are fragile and not selective. There is currently no reliable and robust reference method for the assessment of occupational exposures to ozone. The objective of this study is the development of a real-time ozone measurement method, which is characterized by a stable signal under air, high sensitivity, and selectivity. This measurement system must also make it possible to identify the most exposed phases for employees. We chose visible spectroscopy as a simple, fast and accurate detection system. We have successfully developed the sensitive material, based on an inexpensive dye, methylene blue, adsorbed on a thin film of mesoporous silica deposited on a glass plate by dip-coating. This material is stable for more than 50 days stored under ambient air. The system also includes a Nafion® tube; used to stabilize the relative humidity of the air. The measured sensor signal is the absorbance decrease at 600 nm. This reduction results from the oxidation of the dye in the presence of ozone and is irreversible under air. The developed sensor is characterized by sensitivity to low ozone concentrations ranging from 10 to 500 ppbv, reproducible response kinetics and no direct interference in the presence of 500 ppbv of nitrogen dioxide. The temperature dependence of the sensor response is described. The performance of the detection during exposure scenarios for short times and variable concentrations is described. The developed system could be a good candidate for real-time monitoring of occupational ozone exposures. This step will require miniaturization of the test bench components to use the sensor developed in the workplace