SEARCH Articles Figures Tables Base surface Biosensor-based methods surface plasmon resonance Label-Free Aptasensors Based on Localized Surface Plasmon Resonance Plasmon resonance Plasmonic surfaces Surface Plasmon Surface plasmon resonance Surface plasmon resonance biosensor based immunoassays Surface plasmon resonance-based biosensors Surface plasmons Surface resonances Surface-Plasmon-Resonance Based Optical Sensing