SEARCH Articles Figures Tables Activity enhancement Activity enhancing Borrow Borrowers Borrowing Borrows Enhancement active Raman activity Raman enhanced Raman enhancement Raman surface SER = surface enhanced Raman spectroscopy SERS SERS (surface enhanced Raman SERS (surface enhanced Raman Spectroscopy SERS enhancement Ser Spectroscopy SERS) Spectroscopy surface-enhanced Surface Raman spectroscopy Surface SERS) Surface enhanced Surface enhanced Raman spectroscopy Surface enhancement Surface enhancer Surface spectroscopy Surface-enhanced Raman Surface-enhanced Raman enhancement