10235
The fluorescent dyes methylene blue , MB ( + ) , and thionine , Th ( + ) , can be trapped in the pores of mesoporous silica , MP - SiO ( 2 ) , by means of functional nanostructures consisting of the Mg ( 2 + ) - or Zn ( 2 + ) - dependent DNAzyme sequences .
 Chemical: methylene blue; Chemical: thionine; Chemical: silica; Chemical: SiO ( 2 ); Chemical: Mg ( 2 + ); Chemical: Zn ( 2 + )
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: methylene blue; Chemical: thionine; Chemical: silica; Chemical: SiO ( 2 ); Chemical: Mg ( 2 + ); Chemical: Zn ( 2 + )