منابع مشابه
Studies on Enzyme Action
The hydrolyzing actions of various preparations of the adult eel were studied on ten esters in the usual way. The results are presented in the form of curves for the relative actions and in a table for the absolute actions obtained in one complete experiment. The separation of the enzyme material in some cases into an active portion and a co-enzyme, the mixture showing greater actions on some e...
متن کاملStudies on Cell Enzyme Systems
Solutions of the enzyme luciferase, extracted from Cypridina, were subjected at pH 6.8 to temperatures from 40-55 degrees C. for times up to 24 hours. After the desired exposures samples were cooled rapidly to room temperature, mixed with luciferin, and the first order velocity constants (representing luciferase activity) of the resulting luminescent reactions were determined by a photo electri...
متن کاملStudies on the Enzyme Enolase*
Enolase catalyzes the interconversion of u-glyceric acid 2-phosphat,e and enolpyruvic acid phosphate,’ and, as a participant of Embden-Meyerhof glycolysis and fermentation, is widely distributed in living cells. The enzyme was first purified by Warburg and Christian (1)) who demonstrated its metal activation and made the initial studies of the kinetics and the thermodynamics of the enolase reac...
متن کاملStudies on Specific Enzyme Inhibitors
In the course of investigations, aiming at the development of enzyme inhibitors to be used as “enzyme reagents” in complex biochemical systems (l-6), special attention was paid to analogues of physiological enzyme substrates which occupy key positions in branching points of metabolic pathways. The present work deals with the chemical and enzyme-inhibitory properties of a hitherto unknown analog...
متن کاملPectic Substances
Pectins are a group of plant polysaccharides whose principal component is 1,4-linked a-d-galactosyluronic acid (O’Neill et al., 1990). Pectins are present in the primary cell walls of all seed-bearing plants and in the junction between cells called the middle lamella. The primary wall surrounds growing plant cells, meristematic cells and cells in succulent tissue such as fruit. The secondary wa...
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ژورنال
عنوان ژورنال: Journal of the agricultural chemical society of Japan
سال: 1954
ISSN: 0002-1407,1883-6844
DOI: 10.1271/nogeikagaku1924.28.875