13187
Preparation , characterization , in vivo biodistribution and pharmacokinetic studies of donepezil - loaded PLGA nanoparticles for brain targeting .
 Chemical: donepezil; Chemical: PLGA
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: donepezil; Chemical: PLGA