英语词汇“lactamase”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lactamase
释义	lactamase Biochem.\|ˈlæktəmeɪz, -s\| [f. lactam + -ase.] *β-lactamase: any of the enzymes (produced by certain bacteria) which cause the breaking of the carbon-nitrogen bond in the lactam ring of penicillins and cephalosporins (so rendering them ineffective as antibiotics). 1964Jrnl. Gen. Microbiol. XXXVI. 206 Amidase-forming coliform organisms did not attack the 6-APA nucleus, whereas β-lactamase-forming coliform organisms opened the lactam ring.1971N. Citri in P. D. Boyer et al. Enzymes* (ed. 3) IV. ii. 24 The role of penicillinase and other β-lactamases in conferring resistance to penicillins and the closely related cephalosporins has been amply demonstrated.
随便看	imprehend imprehensible impreignable imprejudicate imprejudice impremeditate imprenable impreniable imprent impreparation impreparing impresa impresario imprescience imprescribable imprescriptibility imprescriptible imprese impreso impress impressa impressable impressed impressibility impressible

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