691
It was found that the optimum values of the responses could be obtained at higher concentration of PLGA ( 5 % , w / v ) and PVA ( 6 % , w / v ) ; and faster organic solvent removal rate ( 700 rpm ) .
 Chemical: PLGA; Chemical: PVA
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; Chemical: PVA