17197
Particular emphasis is given to the contributions of amines to new particle formation , growth of submicron particles , and alteration in the physiochemical properties of pre - existing particles , including hygroscopicity , thermostability , density , phase , and optical properties , from exposure to gaseous amines .
 Chemical: amines; Chemical: amines
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: amines; Chemical: amines