16971
A simple method for fabricating patterned curvilinear microstructures in poly ( dimethylsiloxane ) by selective wetting .
 Chemical: poly ( dimethylsiloxane )
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: poly ( dimethylsiloxane )