Single molecule detection platform, manufacturing method thereof and method using the same
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United States of America Patent
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Aug 6, 2013
Grant Date -
May 19, 2011
app pub date -
Nov 11, 2010
filing date -
Nov 13, 2009
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Abstract
A single molecule detection platform is disclosed. The single molecule detection platform comprises a light-transmissive substrate, a plurality of spherical particles and a thin film. The surface of the light-transmissive substrate is etched to form a plurality of cone-shaped structures. Each spherical particle is disposed on top of each cone-shaped structure. The sizes of the plurality of spherical particles are suitable to allow only a single protein to be attached to each spherical particle. The thin film is deposited on the surface of the plurality of cone-shaped structures and acts as a reflective layer of one-dimensional waveguide. The plurality of spherical particles is not covered by the thin film.
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