10313
The density of amino groups displayed on a surface can be easily controlled by mixing the copolymer and PMMA before dip - coating .
 Chemical: amino; Chemical: PMMA
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: amino; Chemical: PMMA