27744
The high sensitivity ( detection limit of 5 mu M ) and selectivity are achieved through a strong interaction between Ti atoms of TiO2 nanomaterial and enediol group of catechin .
 Chemical: Ti; Chemical: TiO2; Chemical: catechin
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: Ti; Chemical: TiO2; Chemical: catechin