8116
Here , we examined the toxicity of functionalized CdSe / ZnS QDs ( amine - and carboxyl - ) by exposing them for five days to Thalassiosira pseudonana ( marine diatom ) grown under different nutrient - conditions ( enriched versus nitrogen - limited media ) .
 Chemical: CdSe; Chemical: ZnS; Chemical: amine; Chemical: carboxyl; Chemical: nitrogen
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: CdSe; Chemical: ZnS; Chemical: amine; Chemical: carboxyl; Chemical: nitrogen