10639
A bottom - up approach to creating 3D assemblies of Au nanorings by drying aqueous dispersions of PS colloidal particles and Au NPs is shown .
 Chemical: Au; Chemical: Au
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: Au