18102
Western blot , 3 - dimensional gel contraction , transwell and wound healing assay , and MTT were applied to detect cell phenotypic switching , contractility , migration and proliferation , respectively .
 Chemical: MTT
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: MTT 
Answer:
 Chemical: MTT