单词	Ames test
释义	Ames test noun ˈāmz-  : a test for identifying potential carcinogens by studying their mutagenic effect on bacteria Word History Etymology Bruce N. Ames born 1928 American biochemist First Known Use 1974, in the meaning defined above Medical Definition Ames test noun ˈāmz-  variants also Ames assay : a test for identifying potential carcinogens by studying the frequency with which they cause histidine-producing genetic mutants in bacterial colonies of the genus Salmonella (S. typhimurium) initially lacking the ability to synthesize histidine The compound … produced the highest score ever reported in an Ames test, a standard measure of the cancer-causing potential of toxic chemicals. Today's Chemist at Work Dimethylnitrosamine … a known animal carcinogen—is usually a potent mutagen in the Ames assay. Science News
随便看	uncensored uncensorious uncensured uncenter unceremonious unceremoniously unceremoniousness unceremoniousnesses uncertain uncertainly uncertainness uncertainnesses uncertainties uncertainty uncertainty principle uncertified uncertitude unces uncessant UNCF unchain unchained unchaining unchains unchaired

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