9567
Bifunctional nanoparticles constructed using one - pot encapsulation of a fluorescent polymer and magnetic ( Fe3O4 ) nanoparticles in a silica shell .
 Chemical: Fe3O4; Chemical: silica
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: Fe3O4; Chemical: silica