Bio-plasmonics nano/micro structure of surface plasmon resonance devices for biomedicine

Bio-plasmonics is proposed for the research and development of novel devices, which use biomolecules as a part of the plasmon oscillation system to actively interact with nano/micro structure. We have reported a novel design of surface plasmon resonance (SPR) device, which uses alternative dielectric layers to enhance the SPR signal quality and modulate its resonant position. Admittance loci method of thin film design has been used in the design of such a device. The use of biomolecular thin film, such as DNAs or proteins, in this design can result in resonant condition of wavelength changes.