26688
Coating of carbon nanotubes ( CNTs ) with magnetic nanoparticles ( NPs ) imparts novel magnetic , optical , and thermal properties with potential applications in the biomedical domain .
 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