RAPID DETECTION OF LISTERIA SPECIES BY SELECTIVE IMPEDIMETRIC ASSAY

被引:9
作者
HANCOCK, I [1 ]
BOINTON, BM [1 ]
MCATHEY, P [1 ]
机构
[1] UNIV N LONDON,SCH LIFE SCI,LONDON N7 8DB,ENGLAND
关键词
6;
D O I
10.1111/j.1472-765X.1993.tb00365.x
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A selective medium was developed for the detection of Listeria monocytogenes, L. innocua and L. welshimeri by impedimetric assay. Addition of 21 mg l-1 proflavine hydrochloride and 20 mg l-1 moxalactam to glucose-enriched nutrient broth suppressed the impedimetric responses of Gram-negative and other Gram-positive test micro-organisms, permitting the quantitative detection of the three Listeria species within 36 h.
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页码:311 / 314
页数:4
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