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catalysis |
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catalysis /ca·tal·y·sis/ (kah-tal´ĭ-sis) increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative c. denotes the slowing down or inhibition of a reaction or process by the presence of such a substance.catalyt´ic
catalysis [kətal′əsis] Etymology: Gk, katalein, to dissolve an increase in the rate of a chemical reaction that is caused by a substance that is neither permanently altered nor consumed by the reaction. Compare negative catalysis. See also catalyst. catalytic. adj., catalyze, v. catalysis (k n the increase in rate of a chemical reaction, induced by a substance called a catalyst, which takes no part in the reaction and remains unchanged. catalysis increase in the velocity of a chemical reaction or process produced by the presence of a substance that is not consumed in the net chemical reaction or process; negative catalysis denotes the slowing down or inhibition of a reaction or process by the presence of such a substance. covalent catalysis one type of enzyme reaction with substrates to form very unstable, covalently joined enzyme-substrate complexes which undergo further reaction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Urban growth catalyses a new vision for East London. In the transsulferation pathway there is a unique heme-containing enzyme, cystathionine [beta]-synthase, that catalyses a pyridoxal 5'-phosphate-dependent condensation of serine and homocysteine to give cystathionine (Banerjee et al. That is, the diatomic metal oxide species catalyses the recombination of H or OH radicals via metal hydroxide intermediates. |
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