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A serine - based zwitterionic poly ( serine methacrylate ) ( pSerMA ) was developed in this work to be used as a potential antifouling material .
 Chemical: serine; Chemical: zwitterionic poly ( serine methacrylate ); Chemical: pSerMA
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: serine; Chemical: zwitterionic poly ( serine methacrylate ); Chemical: pSerMA