24606
The results show that the DTP could be absorbed on the surface of PGS which had bacteria - adsorbed capability .
 Chemical: DTP; Chemical: PGS
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: DTP, PGS 
Answer:
 Chemical: DTP; Chemical: PGS