12605
The polymer was synthesized by graft polymerization of methacrylic acid ( MAA ) and polysorbate 80 ( PS 80 ) onto starch with multiple , chemically bound diethylenetriaminepenta acetic acid ( DTPA ) groups for gadolinium chelating .
 Chemical: methacrylic acid; Chemical: MAA; Chemical: polysorbate 80; Chemical: PS 80; Chemical: diethylenetriaminepenta acetic acid; Chemical: DTPA; Chemical: gadolinium
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: methacrylic acid; Chemical: MAA; Chemical: polysorbate 80; Chemical: PS 80; Chemical: diethylenetriaminepenta acetic acid; Chemical: DTPA; Chemical: gadolinium