10366
Amino acid grafted chitosan for high performance gene delivery : comparison of amino acid hydrophobicity on vector and polyplex characteristics .
 Chemical: Amino acid; Chemical: amino acid
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: Amino acid; Chemical: amino acid