16448
In vitro drug delivery tests showed that the DOX molecules were released from the resulting HNSs in a sustainable and pH - dependent manner , demonstrating a potential application for HNSs in targeted drug delivery for cancer therapy .
 Chemical: DOX
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: DOX