25009
QDs entered the cells and were located within the endoplasmic reticulum ( ER ) , endosome , and lysosome at 6 h and endosome , lysosome , and mitochondria at 24 h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None