23386
Although a 2 nm thickness increase was observed for poly ( PFPA ) brushes after polymerization of TMSES , cross - contamination was not visible through fluorescence microscopy after functionalization .
 Chemical: poly ( PFPA ); Chemical: TMSES
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 ( PFPA ); Chemical: TMSES