14898
Thus the amphiphilicity of fan - shaped bile acid trimers might be used as the promising candidate in biological and drug delivery applications .
 Chemical: bile acid
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: bile acid 
Answer:
 Chemical: bile acid