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In this study , vancomycin - conjugated nanoparticles ( VCM NPs ) were prepared .
 Chemical: vancomycin; Chemical: VCM
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: vancomycin; Chemical: VCM