Mid-infrared plasmonic biosensing with graphene

DOI Web Site 23 Citations
  • Daniel Rodrigo
    Institute of BioEngineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  • Odeta Limaj
    Institute of BioEngineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  • Davide Janner
    Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain.
  • Dordaneh Etezadi
    Institute of BioEngineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  • F. Javier García de Abajo
    Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain.
  • Valerio Pruneri
    Institut de Ciències Fotòniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain.
  • Hatice Altug
    Institute of BioEngineering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.

Description

<jats:title>Graphene-based biosensors</jats:title> <jats:p> The mid-infrared (mid-IR) range is particularly well suited for biosensing because it encompasses the molecular vibrations that identify the biochemical building blocks of life, such as proteins, lipids, and DNA. However, the resulting optical signal is extremely weak and often requires complex techniques to enhance the biological detection. Rodrigo <jats:italic>et al.</jats:italic> present a graphene-based biosensor that they dynamically tuned over a broad spectral range through electrical gating. The authors selectively probed protein molecules at different mid-IR frequencies using a single device. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6244" page="165" related-article-type="in-this-issue" vol="349" xlink:href="10.1126/science.aab2051">165</jats:related-article> </jats:p>

Journal

  • Science

    Science 349 (6244), 165-168, 2015-07-10

    American Association for the Advancement of Science (AAAS)

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