4406
The mechanism was demonstrated in connection with inhibition of the efflux mediated by intestinal P - glycoprotein ( P - gp ) and enhancement of the electrostatic interaction of positive micelles with the negative intestinal epithelial cells , thereby promoting the permeation across the intestinal wall .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None