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
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: PEG