17169
CA exhibited a fluorescence quantum yield ( phi ) of 0 . 0059 , two fluorescence lifetimes of 3 . 63 x 10 ( - 10 ) and 5 . 38 x 10 ( - 9 ) s , and fluorescence intensity that is concentration - dependent .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None