11347
Concerning drug loading ability of NPs , the entrapment efficiency was related to initial ZnPc / DTX ratio .
 Chemical: ZnPc; Chemical: DTX
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ZnPc; Chemical: DTX