23892
The results obtained with C . elegans suggest that precipitation , vacuolization and polyphosphate fractions were associated to cadmium tolerance , and this species demonstrated a higher potential for bioremediation of heavy metals .
 Chemical: cadmium
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