8118
The partitioning of QDs was analyzed by monitoring the concentration of Cd in different size fractions of the cultures ( i . e . , filtrate , < 0 . 22 mu m and permeate , < 3 kDa ) .
 Chemical: Cd
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: Cd