14346
Herein , antibody - targeted , PEG - coated surface - enhanced Raman scattering ( SERS ) Au nanoparticles are used simultaneously to label three cell surface markers of interest on malignant B cells from the LY10 lymphoma cell line .
 Chemical: PEG; Chemical: Au
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: PEG, Au 
Answer:
 Chemical: PEG; Chemical: Au