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The galactose functional groups in the PMAGP block had specific interaction with HepG2 cells , and P ( MAGP - co - DMAEMA ) - b - PPDSMA can act as gene delivery vehicle .
 Chemical: galactose; Chemical: PMAGP; Chemical: P ( MAGP - co - DMAEMA ) - b - PPDSMA
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: galactose; Chemical: PMAGP; Chemical: P ( MAGP - co - DMAEMA ) - b - PPDSMA