29169
The resulting magnetic , porous , sugar - functionalized ( MaPoS ) PEG microgels are able to selectively bind and discriminate between different strains of bacteria Escherichia coli .
 Chemical: PEG
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: PEG 
Answer:
 Chemical: PEG