16169
It was found that the addition of gelatin methacrylate ( GelMA ) into HA methacrylate ( HAMA ) promoted cell spreading in the hybrid hydogels .
 Chemical: methacrylate; Chemical: methacrylate
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: methacrylate; Chemical: methacrylate