10618
In this paper , the fabrication , characterization , and application in oxygen sensing are reported for a novel multifunctional nanomaterial of [ Ru ( bpy ) ( 2 ) phen - MMS ] ( bpy , 2 , 2 ' - bipyridyl ; phen , phenathrolin ) which was simply prepared by covalently grafting the ruthenium ( II ) polypyridyl compounds into the channels of magnetic mesoporous silica nanocomposites ( MMS ) .
 Chemical: oxygen; Chemical: Ru ( bpy ) ( 2 ) phen; Chemical: bpy; Chemical: 2 , 2 ' - bipyridyl; Chemical: phen; Chemical: phenathrolin; Chemical: ruthenium ( II ) polypyridyl; 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: oxygen; Chemical: Ru ( bpy ) ( 2 ) phen; Chemical: bpy; Chemical: 2 , 2 ' - bipyridyl; Chemical: phen; Chemical: phenathrolin; Chemical: ruthenium ( II ) polypyridyl; Chemical: silica