19962
Single - wall carbon nanotubes ( SWCNTs ) and polyamidoamine dendrimers ( PAMAM ) have been proposed for a variety of biomedical applications .
 Chemical: carbon; Chemical: polyamidoamine
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; Chemical: polyamidoamine