10119
From the results , TiO ( 2 ) particles with larger specific surface area were found to induce higher cyto - ( UV absent ) and photo - toxicity ( UV activated ) to cells after 24h incubation .
 Chemical: TiO ( 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: TiO ( 2 )