A compact surface plasmon resonance and surface-enhanced Raman scattering sensing device

Jenq-Nan Yih; Shean-Jen Chen; Kun-Tsai Huang; Y.-T. Su; G.-Y. Lin

doi:10.1117/12.530246

16 June 2004 A compact surface plasmon resonance and surface-enhanced Raman scattering sensing device

Jenq-Nan Yih, Shean-Jen Chen, Kun-Tsai Huang, Y.-T. Su, G.-Y. Lin

Proceedings Volume 5327, Plasmonics in Biology and Medicine; (2004) https://doi.org/10.1117/12.530246
Event: Biomedical Optics 2004, 2004, San Jose, CA, United States

Abstract

This paper presents an optical device capable of the simultaneous measurement of the surface plasmon resonance (SPR) spectrum, which provides information regarding the change in the dielectric constant of the binding analytes, and the surface-enhanced Raman scattering (SERS) spectrum, which yields analytical data regarding the structural changes of the analytes. SPR sensing is an established technology in the field of direct real-time analysis of biomolecular interactions such as antibodies/antigens, DNA hybridization, receptors/ligands, etc. Meanwhile, SERS sensing techniques represent a powerful means of acquiring and diagnosing structural information relating to analyte binding. This study adopts the attenuated total reflection (ATR) method and an Au nanocluster-embedded dielectric sensing film in developing a biosensor which integrates the SPR and SERS sensing techniques. The results confirm the effectiveness of the proposed multi-functional device in developing a detailed understanding of the mechanisms of biomolecular recognition.

Citation Download Citation

Jenq-Nan Yih, Shean-Jen Chen, Kun-Tsai Huang, Y.-T. Su, and G.-Y. Lin "A compact surface plasmon resonance and surface-enhanced Raman scattering sensing device", Proc. SPIE 5327, Plasmonics in Biology and Medicine, (16 June 2004); https://doi.org/10.1117/12.530246

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