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Application of high-performance liquid chromatography to the study of the biological transformation of adiponitrile. 1994

J L Moreau, and S Azza, and F Bigey, and A Arnaud, and P Galzy
Chaire de Microbiologie Industrielle et de Génétique des Microorganismes, Ecole Nationale Supériure Agronomique de Montpellier, France.

A procedure for the assay of nitrile hydratase and amidase activity by high-performance liquid chromatography is described. The method can be used to assay the intermediate compounds resulting from the hydrolysis of adiponitrile into adipic acid, and to determine the kinetics of the hydrolysis of these compounds using whole cells and enzyme extracts. The precision of the method makes it suitable for the determination of the enzyme parameters: Km and Vm (nitrile hydratase and amidase). Using cyanovaleramide as substrate, Km and Vm were respectively 370 mM and 2060 U/mg for nitrile hydratase and 6.6 mM and 33 U/mg for amidase.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D009570 Nitriles Organic compounds containing the -CN radical. The concept is distinguished from CYANIDES, which denotes inorganic salts of HYDROGEN CYANIDE. Nitrile
D001951 Brevibacterium A gram-positive organism found in dairy products, fresh and salt water, marine organisms, insects, and decaying organic matter.
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D006868 Hydrolysis The process of cleaving a chemical compound by the addition of a molecule of water.
D000272 Adipates Derivatives of adipic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a 1,6-carboxy terminated aliphatic structure. Adipic Acids,Hexanedioic Acids,Acids, Adipic,Acids, Hexanedioic
D001711 Biotransformation The chemical alteration of an exogenous substance by or in a biological system. The alteration may inactivate the compound or it may result in the production of an active metabolite of an inactive parent compound. The alterations may be divided into METABOLIC DETOXICATION, PHASE I and METABOLIC DETOXICATION, PHASE II.
D013056 Spectrophotometry, Ultraviolet Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Ultraviolet Spectrophotometry
D014465 Ultrasonics A subfield of acoustics dealing in the radio frequency range higher than acoustic SOUND waves (approximately above 20 kilohertz). Ultrasonic radiation is used therapeutically (DIATHERMY and ULTRASONIC THERAPY) to generate HEAT and to selectively destroy tissues. It is also used in diagnostics, for example, ULTRASONOGRAPHY; ECHOENCEPHALOGRAPHY; and ECHOCARDIOGRAPHY, to visually display echoes received from irradiated tissues. Ultrasonic

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