9074
Controlling the pulsed - laser - induced size reduction of Au and Ag nanoparticles via changes in the external pressure , laser intensity , and excitation wavelength .
 Chemical: Au; Chemical: Ag
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: Au; Chemical: Ag