20139
PLGA NPs present some very attractive properties such as biodegradability and biocompatibility , protection of drug from degradation , possibility of sustained release , and the possibility to modify surface properties to target nanoparticles to specific organs or cells .
 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: PLGA