18325
A block / homo - mixed polyplex micelle , comprising of cationic homo polymer : poly { N ' - [ N - ( 2 - aminoethyl ) - 2 - aminoethyl ] aspartamide } P [ Asp ( DET ) ] and block copolymer : polyethylene glycol ( PEG ) - b - P [ Asp ( DET ) ] , has been reported to exhibit the efficient transgene expression in vivo by intratracheal and systemic administration .
 Chemical: poly { N ' - [ N - ( 2 - aminoethyl ) - 2 - aminoethyl ] aspartamide }; Chemical: P [ Asp ( DET ) ]; Chemical: polyethylene glycol; Chemical: ( PEG ) - b - P [ Asp ( DET ) ]
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: poly { N ' - [ N - ( 2 - aminoethyl ) - 2 - aminoethyl ] aspartamide }; Chemical: P [ Asp ( DET ) ]; Chemical: polyethylene glycol; Chemical: ( PEG ) - b - P [ Asp ( DET ) ]