29327
Through the combined use of two - dimensional polyacrylamide gel electrophoresis ( 2D PAGE ) and Oxyblot analysis , this study demonstrated that exposure to each toxicant resulted in the formation of distinctly similar patterns of protein carbonylation comprised of specific proteins identified with tandem MS / MS .
 Chemical: polyacrylamide
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: polyacrylamide 
Answer:
 Chemical: polyacrylamide