20138
In particular , biodegradable nanoparticles formulated from poly ( D , L - lactide - co - glycolide ) ( PLGA ) have been extensively investigated for sustained and targeted delivery of different agents , including recombinant proteins , plasmid DNA , and low molecular weight compounds .
 Chemical: poly ( D , L - lactide - co - glycolide ); 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: poly ( D , L - lactide - co - glycolide ); Chemical: PLGA