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LSPR Biosensor: Nanoparticle Refractive-Index Shift

Interactive 3D LSPR biosensor simulator: watch antigen molecules dock onto an antibody-functionalized gold nanoparticle and redshift its plasmon resonance peak in real time, versus an unfunctionalized control nanoparticle where no binding — and no shift — occurs.

Nanotechnology & MEMS3DAdvanced60 FPS

Antigen molecules diffuse in and dock onto an antibody-functionalized gold nanoparticle, each binding event nudging its plasmon resonance to a longer wavelength — a label-free readout — while an unfunctionalized control nanoparticle sees the same antigen concentration but never binds, and never shifts.

⚙ Under the hood

Antigen molecules diffuse in and dock onto an antibody-functionalized gold nanoparticle, each binding event nudging its localized plasmon resonance to a longer wavelength — a label-free readout — while an unfunctionalized control nanoparticle sees the same antigen concentration but never binds, and never shifts.

LSPRplasmonic biosensorrefractive index sensinglabel-free biosensorantibody-antigen bindinggold nanoparticlenanotechnology

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install