21666
A reliable nanocasting method has been developed to synthesize mesoporous hybrids of platinum ( Pt ) nanoparticles decorating tungsten trioxide ( WO3 ) .
 Chemical: platinum; Chemical: Pt; Chemical: tungsten trioxide; Chemical: WO3
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: platinum; Chemical: Pt; Chemical: tungsten trioxide; Chemical: WO3