3572
Curcumin is under investigation as a potential photosensitizer ( PS ) in antimicrobial photodynamic therapy ( aPDT ) .
 Chemical: Curcumin
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: Curcumin 
Answer:
 Chemical: Curcumin