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Academic literature on the topic 'Enzymes – Composition chimique'
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Journal articles on the topic "Enzymes – Composition chimique"
AGABRIEL, C., J. B. COULON, C. JOURNAL, and B. DE RANCOURT. "Composition chimique du lait et systèmes de production dans les exploitations du Massif Central." INRAE Productions Animales 14, no. 2 (April 16, 2001): 119–28. http://dx.doi.org/10.20870/productions-animales.2001.14.2.3733.
Full textOjezele, M. O. "Microbiome: pharmacokinetics, pharmacodynamics and drug/xenobiotic interactions." African Journal of Clinical and Experimental Microbiology 21, no. 2 (February 17, 2020): 78–87. http://dx.doi.org/10.4314/ajcem.v21i2.1.
Full textEl Androusse, Amal, Aicha El Aissami, Rabia Checti, Omar Benkemmar, and Mohamed Lamghari. "Contribution à l’étude de la composition chimique des substances secrétées par Pythium diclinum en milieu liquide." 23, no. 2 (June 7, 2010): 173–79. http://dx.doi.org/10.7202/039908ar.
Full textDissertations / Theses on the topic "Enzymes – Composition chimique"
Nicolas, Anne. "Etudes structure-fonction d'une cutinase recombinante de Fusarium solani pisi." Aix-Marseille 2, 1996. http://www.theses.fr/1996AIX2A002.
Full textDupille, Éve. "Purification et caractérisation de l'enzyme formant l'éthylène chez la pomme." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT021A.
Full textBernard, Pascale. "Synthèse par voie enzymatique : étude comparative de milieux réactionnels." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL002N.
Full textDiakou, Paraskevi. "La phosphénolpyruvate carboxylase de la baie de raisin (Vitis vinifera L. ) : étude biochimique, métabolique et immunocytochimique." Bordeaux 2, 1999. http://www.theses.fr/1999BOR20675.
Full textOzenne, Catherine. "Biofaçonnement de la matière grasse du lait." Montpellier 2, 1993. http://www.theses.fr/1993MON20159.
Full textLofty, Samia. "Etude des hydroxycinnamoyl-CoA : transférases : purification, spécificité et intervention dans la biosynthèse des esters hydroxycinnamiques chez les végétaux." Montpellier 2, 1991. http://www.theses.fr/1991MON20212.
Full textDebray, Laurence. "Nutrition du lapereau en période de sevrage : interaction avec les besoins nutritionnels de la femelle." Toulouse, INPT, 2002. http://www.theses.fr/2002INPT005A.
Full textKibelolaud, Aimé Robert. "Incidence du traitement thermique et de la taille des particules sur la digestion des protéines des graines du lupin : Lupinus albus : étude in situ chez la vache laitière." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT025A.
Full textBleta, Rudina. "Systèmes fluorés pour la conception de matériaux poreux : Matrices pour la physisorption de biomolécules." Thesis, Nancy 1, 2007. http://www.theses.fr/2007NAN10111/document.
Full textThe self-assembly properties of surfactants and those of silica chemistry have led to the preparation of ordered mesoporous materials with hexagonal, cubic or lamellar symmetry and with pore sizes varying from 2 to more than 10 nm. Recently, they have aroused of great deal of interest to academics and industrialists for the development of fundamental and applied research. However, their use in any industrial process needs a careful consideration of the total comprehension of the synthesis mechanism as well as the control of their structural and textural properties. In this work, the relation between the physicochemical properties of a fluorinated surfactant, C7F15C2H4(OC2H4)8OH, and the characteristics of mesoporous silica was investigated. In spite of the existence of a micellar phase, only wormlike mesoporous materials were obtained. On the other hand, the addition of the perfluorodecalin led to the organisation of the channels according to a hexagonal symmetry. The use of various fluorocarbons of different molecular structures evidenced that this phenomenon is associated to the shift of the cloud point curve towards higher temperatures. Hierarchically porous silica were also prepared from oil-in-water emulsions and their characteristics were correlated to the phase inversion temperature of the surfactant/water/oil system. Finally, the mesoporous materials were used as hosts for the physisorption of enzymes and the results showed that the catalytic activity of the immobilised lipases is preserved
Herbaut, Mickaël. "Déconstruction de la biomasse lignocellulosique : corrélations entre l’activité et la mobilité enzymatiques." Thesis, Reims, 2017. http://www.theses.fr/2017REIMS047.
Full textBiomass recalcitrance to enzymatic hydrolysis is a multifactorial phenomenon still challenging to understand. The main objective of this work was to determine factors that could be considered as generic markers of this recalcitrance. The relationship between enzymes dynamics and cell wall chemical and structural properties was studied using a panel of contrasted biomass samples (wheat straw, miscanthus, poplar) submitted to four different pretreatments, using a combination of chemical, spectroscopic and microscopy analyses.Lignin structure and composition were found to be the main factors explaining recalcitrance for all three biomasses, as highlighted by the negative correlations between fluorescence intensity and glucose yield. Increasing porosity improves saccharification differently for each species reflecting the different organisation of their cell walls. Mobility measurements of probes representative of enzyme size revealed that pretreatments have a more important impact on cell wall structure than the subsequent saccharification. Both the activity and mobility of enzymes are governed by pores sizes whose diameter need to be at least 5 times the diameter of the enzymes for the catalyst to diffuse efficiently in the cell wall, likely due to a fill-in effect caused by interactions with lignin. The intertwining between lignin and pores sizes was emphasized by measurements of the probes interactions with lignin revealing that binding depended on lignin structure, but also on its accessibility and on cell wall porosity.Our strategy and results provide insights for the improvement of pretreatment methods allowing a better valorisation of lignocellulosic biomass
Books on the topic "Enzymes – Composition chimique"
Emel, Arinç, Schenkman John B, Hodgson Ernest 1932-, and NATO Advanced Study Institute on Molecular Aspects of Drug Metabolizing Enzymes (1993 : Kus̜adası, Turkey), eds. Molecular aspects of oxidative drug metabolizing enzymes: Their significance in environmental toxicology, chemical carcinogenesis, and health. Berlin: Springer-Verlag, 1995.
Find full textArinc, Emel, John B. Schenkman, and Ernest Hodgson. Molecular Aspects of Oxidative Drug Metabolizing Enzymes: Their Significance in Environmental Toxicology, Chemical Carcinogenesis and Health. Springer London, Limited, 2013.
Find full textSchenkman, John B. Molecular Aspects of Oxidative Drug Metabolizing Enzymes: Their Significance in Environmental Toxicology, Chemical Carcinogenesis and Health (Nato a S I Series Series H, Cell Biology). Springer-Verlag Telos, 1995.
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