24972
We develop a novel method for production of PVA HNP through nanoprecipitation - based assembly of polymer nanoparticles and subsequent physical hydrogelation of the polymer .
 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: PVA