22684
Furthermore , hydrogels cross - linked with alginate methacrylates could tune the projection area of adhered cells by solely altering elastic moduli .
 Chemical: methacrylates
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: methacrylates 
Answer:
 Chemical: methacrylates