Localized surface plasmon resonance Surface plasmon resonance 4 Plasmonics 3 Bimetallic nanoparticles 2 Boundary element method 2 Boundary-element methods 2 Core shell 2 Core shell nanoparticles 2 Core-shell bimetallic nanoparticle 2 Dimers 2 Extinction spectrum 2 Gold 2 Gold nanoparticles 2 Interparticles 2 Nanoparticle dimer 2 Refractive index 2 Refractive index sensitivity 2 Sailing vessels 2 Shells (structures) 2 3-D cell culture 1 3D cell culture 1 Agarose gel 1 Binding energy 1 Biosensing 1 Biotinylations 1 COVID-19 vaccine 1 COVID-19 vaccines 1 Cell culture 1 Cell death 1 Cell-be 1