英语词汇“gramicidin”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	gramicidin
释义	gramicidin Chem.\|græmɪˈsaɪdɪn\| [f. Gram³ + -i + -cide + -in¹.] Any of several polypeptides produced by Bacillus brevis which have antibiotic properties, esp. against Gram-positive bacteria, and are used externally to treat local infections; orig. considered a single compound. 1940Hotchkiss & Dubos in Jrnl. Biol. Chem. CXXXII. 791 Three crystalline preparations highly bactericidal for Gram-positive microorganisms have been obtained... The third substance, which we have named gramicidin, is concentrated by repeatedly recovering the fraction which remains soluble in alcohol.1967Hunter & Schwartz in Gottlieb & Shaw Antibiotics I. 642 Counter⁓current distribution techniques resolved gramicidin into four groups of polypeptides now specifically designated as gramicidins A, B, C, D.1969New Scientist 10 July 65/2 The antibiotics which are produced include..gramicidin and tyrocidin.
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