Abstract
A label-free ratiometric electrochemical biosensor was constructed for monitoring intracellular redox homeostasis by DNA metallization-mediated hybridization chain reaction amplification. This platform could also be used to discriminate cancer cells and normal cells.
MeSH terms
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A549 Cells
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Animals
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Biosensing Techniques
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DNA / analysis
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DNA / metabolism*
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Electrochemical Techniques
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Glutathione / chemistry
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Glutathione / metabolism
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HeLa Cells
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Humans
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Metal Nanoparticles / chemistry
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Mice
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NIH 3T3 Cells
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Nucleic Acid Amplification Techniques
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Nucleic Acid Hybridization
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Oxidation-Reduction
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Silver / chemistry