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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 29, Iss. 13 — Jul. 1, 2011
  • pp: 1926–1930

Integrated Bimodal Waveguide Interferometric Biosensor for Label-Free Analysis

Kirill E. Zinoviev, Ana Belén González-Guerrero, Carlos Domínguez, and Laura M. Lechuga

Journal of Lightwave Technology, Vol. 29, Issue 13, pp. 1926-1930 (2011)


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Abstract

The performance of an interferometric device based on integrated Bimodal Waveguides (BiMW) for sensing is demonstrated. The sensors are fabricated using standard silicon technology and can achieve a detection limit of 2.5 · 10-7 RIU for homogeneous sensing, rendering in a very high sensitive device. The applicability of the bimodal waveguide interferometer as label-free biosensor has been demonstrated by the real-time monitoring of the biomolecular interaction of BSA and antiBSA. Due to their simplicity, the interferometric devices could be further integrated in complete lab-on-a-chip platforms for point-of-care diagnostics showing them as a powerful instrument for biochemical analysis.

© 2011 IEEE

Citation
Kirill E. Zinoviev, Ana Belén González-Guerrero, Carlos Domínguez, and Laura M. Lechuga, "Integrated Bimodal Waveguide Interferometric Biosensor for Label-Free Analysis," J. Lightwave Technol. 29, 1926-1930 (2011)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-29-13-1926

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