25932
The nanoparticles exhibited a mean particle diameter of 73nm , zeta potential of + 3 . 5mV , anti - miR encapsulation efficiency of 88 % , and excellent colloidal stability at 4 degrees C .
 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