Colorimetric sensor for detecting bacteria and/or viruses
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United States of America Patent
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Jan 9, 2024
Grant Date -
Nov 4, 2021
app pub date -
Apr 26, 2021
filing date -
May 4, 2020
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Abstract
A colorimetric sensor for detecting bacteria and/or viruses includes one or more layers having a photonic crystal structure, a functional layer comprising a nanomaterial capable of generating bacteria- and/or viruses-bioresponsive surface plasmon overlapping the one or more layers having the photonic crystal structure. The bacteria- and/or viruses-bioresponsive nanomaterial of the functional layer is doped with proteinic substances or antibodies acting as virus receptors, or the colorimetric sensor comprises a receptor layer comprising proteinic substances or antibodies acting as virus receptors. The functional layer and receptor layer overlap each other. Alternatively, or in addition to, the colorimetric sensor comprises a plasmonic nanostructured layer comprising nanostructures such to generate plasmonic colors, overlapping the one or more layers having the photonic crystal structure.
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