13609
DiynePE was also used to attach a microstructure made of an elastomer ( polydimethylsiloxan : PDMS ) onto the membrane , forming a confined aqueous solution between the two surfaces .
 Chemical: DiynePE; Chemical: polydimethylsiloxan; Chemical: PDMS
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: DiynePE, polydimethylsiloxan, PDMS 
Answer:
 Chemical: DiynePE; Chemical: polydimethylsiloxan; Chemical: PDMS