28620
Such " bifunctional " amphiphilic - polypeptide - regulated mineralization at the air / water interface may be applied to the synthesis of many kinds of symmetrical inorganic / organic hybrids .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None