22685
In contrast , gels cross - linked with PAA methacrylates failed to modulate the cellular adhesion morphology due to a lower , and smaller , elastic modulus range to be controlled .
 Chemical: PAA; Chemical: methacrylates
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: PAA; Chemical: methacrylates