11727
This research aimed at evaluating the effects of cadmium ( 2 x 10 ( - 8 ) ; 10 ( - 7 ) mol L ( - 1 ) Cd ) on lipid class and fatty acid composition of the microalga Chlorella vulgaris under varying phosphate ( PO ( 4 ) ( 3 - ) ) concentrations ( 6 . 0 x 10 ( - 7 ) to 2 . 3 x 10 ( - 4 ) mol L ( - 1 ) ) .
 Chemical: cadmium; Chemical: Cd; Chemical: fatty acid; Chemical: phosphate; Chemical: PO ( 4 ) ( 3 - )
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: cadmium; Chemical: Cd; Chemical: fatty acid; Chemical: phosphate; Chemical: PO ( 4 ) ( 3 - )