10832
Detailed analysis of the system revealed that vesicle growth proceeded through the consumption of unit PICs ( uPICs ) composed of a single polycation / polyanion pair and was able to restart upon the further addition of isolated uPICs .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None