14585
First , a multilayer polydimethylsiloxane ( PDMS ) - based spotting device was used to array siRNA molecules into 96 microwells targeting markers of endocytosis , along with siRNA controls .
 Chemical: polydimethylsiloxane; Chemical: PDMS
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: polydimethylsiloxane; Chemical: PDMS