14440
We performed a combinatorial study to examine the effects of polymer chemistry and order of deposition of poly ( beta - amino ) esters on protein release kinetics under 81 LBL assembly conditions .
 Chemical: poly ( beta - amino ) esters
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: poly ( beta - amino ) esters 
Answer:
 Chemical: poly ( beta - amino ) esters