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单词 turnover number
释义 DictionarySeeturnover

turnover number


turnover number

[′tərn·ō·vər ‚nəm·bər] (biochemistry) The number of molecules of a substrate acted upon in a period of 1 minute by a single enzyme molecule, with the enzyme working at a maximum rate. (chemical engineering) In an industrial catalytic process, a value that indicates the amount of feed or substrate converted per a measured amount of catalyst.

turnover number


turn·o·ver num·ber (kcat),

the number of substrate molecules converted into product in an enzyme-catalyzed reaction under saturating conditions per unit time per unit quantity of enzyme; for example, kcat = Vmax/[Etotal].

turn·o·ver num·ber

(tŭrn'ō-vĕr nŭm'bĕr) The number of substrate molecules converted into product in an enzyme-catalyzed reaction under saturating conditions per unit time per unit quantity of enzyme; e.g., kcat = Vmax/[Etotal].
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更新时间:2025/1/31 1:19:56