30622
Self - assembling silk hydrogels show no swelling , are readily loaded with doxorubicin under aqueous conditions and release drug over 4 weeks in amounts that can be fine - tuned by varying the silk content .
 Chemical: doxorubicin
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: doxorubicin