24758
Ultrasensitive Polarized Up - Conversion of Tm ( 3 + ) - Yb ( 3 + ) Doped beta - NaYF4 Single Nanorod .
 Chemical: Tm ( 3 + ) - Yb ( 3 + ) Doped beta - NaYF4
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: Tm ( 3 + ) - Yb ( 3 + ) Doped beta - NaYF4