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Plasmon Shaping by using Protein Nanoarrays and Molecular Lithography to Engineer Structural Color

Authors

  • Alasdair W. Clark,

    1. Biomedical Engineering Research Division, University of Glasgow, Rankine Building, Oakfield Avenue, Glasgow, G128LT (UK)
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  • Jonathan M. Cooper

    Corresponding author
    1. Biomedical Engineering Research Division, University of Glasgow, Rankine Building, Oakfield Avenue, Glasgow, G128LT (UK)
    • Biomedical Engineering Research Division, University of Glasgow, Rankine Building, Oakfield Avenue, Glasgow, G128LT (UK)
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  • The authors thank the RASOR interdisciplinary research collaboration initiative, BBSRC, EPSRC and the Scottish Funding Council for funding of this research.

Abstract

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Naked-eye detection: The versatility of direct-write nanolithography was combined with the unrivaled resolution and selectivity of molecular self-assembly to show, for the first time, the molecularly mediated placement, with nanometer accuracy, of single Au nanoparticles within a plasmonic array. In doing so, a coupled plasmonic systems was created which allowed colorimetric, naked-eye detection of protein–protein binding at extreme sensitivities.

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