29406
This work reviews qualitative and quantitative analyses of Drug Delivery Systems ( DDSs ) based on multi - wall carbon nanotubes ( MWCNTs ) and their chemically modified analogues ( mainly oxidised MWCNTs ) .
 Chemical: carbon
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: carbon