Method and apparatus for enhancing biological photon receptors using plasmon resonance
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United States of America Patent
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Issued Date -
Oct 27, 2005
app pub date -
Apr 8, 2005
filing date -
Apr 9, 2004
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Abstract
A method for enhancing the light detection capabilities of a chromophore. In one embodiment the method includes the steps of providing a plasmon resonant nanoparticle and placing the nanoparticle in close juxtaposition to the chromophore. In one embodiment the chromophore includes 11-cis-retinal and the nanoparticle is a metal such as gold. In one embodiment the chromophore is chlorophyll. In another aspect the invention relates to an enhanced rhodopsin having a chromophore and a plasmon resonant nanoparticle in close juxtaposition with the chromophore. Yet another aspect of the invention is a method of enhancing vision in an eye including providing a plasmon resonant nanoparticle and placing the nanoparticle in close juxtaposition to a retinal molecule in the eye.
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