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

> as lemmas

β-lactamase

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).

ΚΠ

1964 Jrnl. Gen. Microbiol. 36 206 Amidase-forming coliform organisms did not attack the 6-APA nucleus, whereas β-lactamase-forming coliform organisms opened the lactam ring.

1971 N. 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.

extracted from lactamasen.

as lemmas

单词	β-lactamase
释义	> as lemmas β-lactamase 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). ΚΠ 1964 Jrnl. Gen. Microbiol. 36 206 Amidase-forming coliform organisms did not attack the 6-APA nucleus, whereas β-lactamase-forming coliform organisms opened the lactam ring. 1971 N. 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. extracted from lactamasen. < as lemmas
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