16084
Hollow Multilayer Microcapsules for pH - / Thermally Responsive Drug Delivery using Aliphatic Poly ( urethane - amine ) as Smart Component .
 Chemical: Aliphatic Poly ( urethane - amine )
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: Aliphatic Poly ( urethane - amine )