8060
First , the nanosized PSQ particles were prepared by the hydrolysis - condensation reaction of gamma - methacryloxypropyl trimethoxysilane ( MPTS ) in ethanol medium .
 Chemical: PSQ; Chemical: gamma - methacryloxypropyl trimethoxysilane; Chemical: MPTS; Chemical: ethanol
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: PSQ; Chemical: gamma - methacryloxypropyl trimethoxysilane; Chemical: MPTS; Chemical: ethanol