3644
This indicates that both hydrophobic and electronic interactions are incorporated in a single MLC retention parameter , which is due to the amphiphilic nature of surfactants in the system .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None