Academic literature on the topic 'Mesure ph'
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Journal articles on the topic "Mesure ph"
Lasareff, V. "Mesure du pH au Moyen d'un Amplificateur Balistique." Bulletin des Sociétés Chimiques Belges 56, no. 1-4 (September 1, 2010): 36–47. http://dx.doi.org/10.1002/bscb.19470560104.
Full textBrion, N., and G. Billen. "Une réévaluation de la methode d'incorporation de H14C03- pour mesurer la nitrification autotrophe et son application pour estimer des biomasses de bactéries nitrifiantes." Revue des sciences de l'eau 11, no. 2 (April 12, 2005): 283–302. http://dx.doi.org/10.7202/705308ar.
Full textSTOICA, D., M. BEN-ACHOUR, P. SPITZER, P. FISICARO, and S. VASLIN-REIMANN. "Mesure du pH de l’eau de mer : un défi d’actualité." Revue française de métrologie, no. 34 (July 10, 2014): 23–30. http://dx.doi.org/10.1051/rfm/2014006.
Full textMollard, JF. "Mesure du pH et des gaz du sang : précautions préanalytiques." RBM-News 17, no. 7 (January 1995): 207–17. http://dx.doi.org/10.1016/0222-0776(96)89512-5.
Full textSAUVANT, D., S. GIGER-REVERDIN, and F. MESCHY. "Le contrôle de l’acidose ruminale latente." INRAE Productions Animales 19, no. 2 (May 12, 2006): 69–78. http://dx.doi.org/10.20870/productions-animales.2006.19.2.3483.
Full textForbes, W. F., and N. Agwani. "Geochemical Risk Factors for Mental Functioning, Based on the Ontario Longitudinal Study of Aging (LSA) III. The Effects of Different Aluminum-containing Compounds." Canadian Journal on Aging / La Revue canadienne du vieillissement 13, no. 4 (1994): 488–98. http://dx.doi.org/10.1017/s0714980800006346.
Full textGarbay, Sandrine, and Aline Lonvaud-Funel. "Etude de la lyse de Leuconostoc oenos." OENO One 24, no. 4 (December 31, 1990): 157. http://dx.doi.org/10.20870/oeno-one.1990.24.4.1234.
Full textAuroy, Y., MC Gillon, H. Bismuth, and C. Ecoffey. "Mesure du Ph Intramuqueux Sigmoidien au Cours de la Transplantation Hépatique Orthotopique." Annales Françaises d'Anesthésie et de Réanimation 12, no. 12 (1993): R151. http://dx.doi.org/10.1016/s0750-7658(16)30151-4.
Full textGarcia-Jares, Carmen Maria, Nicolas Rozès, and Bernard Médina. "Caractérisation et différenciation des vins rosés d'appellation d'origine et de table, français et espagnols." OENO One 27, no. 1 (March 31, 1993): 35. http://dx.doi.org/10.20870/oeno-one.1993.27.1.1179.
Full textLeclerc, J., B. Vallet, C. Deswarte, S. Charré, M. Fleyfel, P. Petillot, and P. Scherpereel. "Mesure du pH intramuqueux gastrique par tonométrie au cours de la chirurgie abdominale majeure." Annales Françaises d'Anesthésie et de Réanimation 15, no. 7 (January 1996): 1022–27. http://dx.doi.org/10.1016/s0750-7658(96)89472-x.
Full textDissertations / Theses on the topic "Mesure ph"
Yassine, Mohamed. "Mesure du Ph intracellulaire sur des populations cellulaires à l'aide du carboxy-snarf-1 : de la microspectrofluorimétrie à longueurs d'ondes." Perpignan, 1996. http://www.theses.fr/1996PERP0244.
Full textMercier, Patrick. "Techniques de mesures des variations du pH de la plaque dentaire in vivo." Nantes, 1985. http://www.theses.fr/1985NANT1488.
Full textWolpert, Cécile. "Élaboration de quantum dots fonctionnalisés comme biomarqeurs pH sensibles." Rennes 1, 2010. http://www.theses.fr/2010REN1S074.
Full textThe aim was to elaborate quantum dots capable to probe the pH and to target a protein (Notch of drosophila) in a living cell. The quantum dots are very attractive due their optical properties and the possibility to insert several different functions on their surface. Ligands exchanges (peptide or gallate amphiphiles) were used to functionalize the nanocrystals. PH sensitive QDs were obtained by using fluroescein gallate. The biodistribution as well as the cytotoxicity of QDs (peptide or micelle) were studied Drosophila cellular HeLa cells by fluorescent confocal microscopy. To increase the organic passivation of the QD surface new synthons have been synthesized
Grinfeld, Sophie. "Assurance qualité en métrologie : application à la pH métrie." Paris 5, 1997. http://www.theses.fr/1997PA05P119.
Full textGouget, Bernard. "Maintenance des systèmes d'analyse pour la mesure du pH et des gaz du sang." Paris 5, 1988. http://www.theses.fr/1988PA05P104.
Full textAsselin, Jérémie. "Développement et application de nano-architectures cœur-coquille fluorescentes pour la mesure du pH." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30282.
Full textIonic gradient changes are essential in almost every cellular and bacterial metabolic processes. Therefore, any malfunction that perturbs these ion concentrations can induce major illnesses in the affected physiological solution or biological tissue. Amongst all the chemical species influenced by cell metabolism, protons are key to many events; enzyme activity, protein structural changes, and activation of membrane transporters. In this doctoral thesis, pH-sensitive fluorescent nanoparticles were developed and grafted on planar substrates in order to probe the culture medium of different cells in vitro. These innovative analytical tools for biomedical research offer the possibility to image quantitative pH values in microscopy with both spatial (~1 μm) and temporal resolutions (<300 ms). As such, the sensors were optimized in a structural parametric study with regards to the nanoarchitecture design. These particles comprise a metallic core with plasmonic properties to enhance the fluorescence of molecules incorporated into a porous silica shell. The core size, the spacing layer thickness, the spectral overlap between the plasmon and the fluorescence excitation/emission bands, and the sensitive moieties were carefully chosen to take advantage of the plasmonic range of enhancement in concentric architectures. Since the covalent encapsulation of molecules is highly adaptable for many silanized fluorophores, core-multishell architectures were synthesized as a proof of concept which allows simultaneous measurements of pH and halides (Cl-, Br-, I-), and signal normalization with an internal reference onto the same nanoparticle. The ratiometric correction compensates for fluctuations in light intensity and experimental errors with sensor concentration, photobleaching and environmental effects as a function of time. Finally, this analytical strategy was applied in a spectroscopic study of fluorescein-doped nanoparticles as quantitative pH-sensitive markers implemented in biological cell cultures. Particularly, the core-shell nanoarchitectures were functionalized with a silane component and immobilized at the surface of a silica substrate by way of complementary click coupling. These improved microscope coverslips were evaluated as a fluorescent sensing surface for the culture of adhesive excitable cells – e.g. cardiac fibroblasts and neurons, but also for the growth of bacterial biofilms and the study of multiphase interfaces in microfluidic devices.
Saliba, Chawki-Oscar. "Mesures de pH en milieux dispersés, milieux micellaires, émulsion et microémulsions." Lyon 1, 1987. http://www.theses.fr/1987LYO19024.
Full textPham, Quoc Nghi. "Elaboration et caractérisation d'oxydes perovskites pour capteurs de pH : étude du mécanisme de fonctionnement de ces capteurs." Le Mans, 2006. http://cyberdoc.univ-lemans.fr/theses/2006/2006LEMA1002.pdf.
Full textPerovskite oxides can be used as sensitive element in pH sensors. A high ionic conductivity, mechanical and chemical resistances allow a fast response time and some potential applications in industry, such as food industry. Firstly, the crystallographic structure and the conduction properties of various oxides were studied before testing their pH sensitivity. Secondly, the optimized conditions to obtain a ceramic sensitive membrane starting from powders synthesized by various methods were determined. Moreover, the characteristics of the pH sensor were determined: response time, selectivity, influence of the redox species… Finally, among the studied compounds, the Li0. 30La0. 57TiO3 (LLTO) compound which exhibits the highest sensitivity to the pH was selected as model for studying the mechanism of pH detection. In particular, there mechanisms were suggested: the oxydo-reduction, the ionic exchange and the reaction of the -OH groups at the oxide surface. Experimental results show that the -OH groups at the oxide surface are responsible of the pH sensitivity of the ceramic membranes. The pH detection property by a potentiometric sensor of this type is unique and innovative. This work will allow the development of these pH sensors for practical uses
Raiss, Zineb. "Effet du PH extracellulaire sur la glycolyse et la gluconéogenèse in vitro." Université Joseph Fourier (Grenoble), 1990. http://www.theses.fr/1990GRE18006.
Full textRocher, Valérie. "Contribution au développement de capteurs tout solide pour la mesure du pH en milieu marin." Ecully, Ecole centrale de Lyon, 1993. http://www.theses.fr/1993ECDL0025.
Full textBooks on the topic "Mesure ph"
Efiok, Bassey J. S. Basic calculations for chemical and biological analysis. [Arlington, Va.]: AOAC International, 1993.
Find full textBook chapters on the topic "Mesure ph"
Roth, G. E. "Interprétation des mesures de pH et de lactates à la naissance." In Surveillance Fœtale Pendant le Travail, 141–48. Elsevier, 2016. http://dx.doi.org/10.1016/b978-2-294-74722-9.00016-0.
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