13146
This was confirmed by showing that PolyP5 and PolyP65 bound to synthetic hydroxyapatite in a concentration - dependent manner .
 Chemical: PolyP5; Chemical: PolyP65; Chemical: hydroxyapatite
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: PolyP5; Chemical: PolyP65; Chemical: hydroxyapatite