10253
The feasibility of utilizing PLGA microsphere / PVA hydrogel composites as coatings for implantable biosensors was demonstrated .
 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