Fast-response biological sensors based on single-layer carbon nanotubes modified with specific aptamers
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The possibility of the fabrication of a fast-response biological sensor based on a composite of single-layer carbon nanotubes and aptamers for the specific detection of proteins is shown. The effect of modification of the surface of the carbon nanotubes on the selectivity and sensitivity of the sensors is investigated. It is shown that carboxylated nanotubes have a better selectivity for detecting thrombin.
Keywordscarbon nanotube aptamer thrombin biosensor composite
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