24396
Conclusion : Developed microparticles can efficiently deliver insoluble drug , such as BDS , to the nasal epithelium and thus it may improve therapeutic efficacy in the respiratory tract .
 Chemical: BDS
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: BDS