FIELD: nanotechnologies.
SUBSTANCE: invention relates to sensing elements based on carbon nanotubes and can be used in technological operations of creating electrochemical sensors, photovoltaic devices on flexible substrates. Sensor element includes a grid of carbon nanotubes between planar metal electrodes, on which aptamers are immobilized, the physical converter-the sensitive layer-is the only nanotube providing the only way for the current to flow between the electrodes.
EFFECT: invention makes it possible to provide covalent immobilization while maintaining sensitivity.
1 cl, 4 dwg
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