1159
The optimized preparation of Poly - ( lactide - co - glycolic acid ) ( PLGA ) nanospheres containing ubiquinone ( UQ ) for cosmetic products was pursued .
 Chemical: Poly - ( lactide - co - glycolic acid ); Chemical: PLGA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Poly - ( lactide - co - glycolic acid ); Chemical: PLGA