7355
The stabilization of oil - water interfaces by the modified ferritin was investigated by dynamic surface tension measurements and compared to the individual components of the bionanoparticle conjugate , namely , unmodified ferritin and pure PNIMAAm of similar molecular weight .
 Chemical: PNIMAAm
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: PNIMAAm