Citation:
	            
		            Yun Xiang CI,  Tian Le LI. A new enzymatic method for determination of E. coli[J]. Chinese Chemical Letters,
							;1999, 10(10): 849-850.
						
				
					
				
	        
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	                	β-Galactosidase, a kind of endoenzyme in E. coli cells, can be released by the poreforming action of colicin E1, and E.coli can be detected rapidly by enzymatic method.
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								Keywords:
								
 - E.coli,
 - colicin EI,
 - enzymatic method
 
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