Abstract
A novel and nonenzyme immunosensing protocol is proposed for ultrahighly sensitive detection of low-abundance-proteins (carcinoembryonic antigen as a model) using dual nanogold-linked complementary bio-barcodes with superstructures for in situ amplified electronic signals.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Biosensing Techniques* / methods
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Carcinoembryonic Antigen / chemistry
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DNA / chemistry
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Gold* / chemistry
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Immunoassay / methods
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Metal Nanoparticles* / chemistry
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Metal Nanoparticles* / ultrastructure
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Nucleic Acid Hybridization / methods
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Proteins / chemistry*
Substances
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Carcinoembryonic Antigen
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Proteins
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Gold
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DNA