An Electrochemical Dopamine Sensor with CMOS Detection Circuit

The paper contains discussion like oxidation, sensing, dopamine concentrations, current, measured current, rate, signals, voltage, output signals, interdigitated microelectrodes, chip, buffer, and electrode surface. Many info around output impedance, electrochemical sensing, electrode, value, support, measured cyclic voltammograms, design, sensor, measured current value, fabricated microelectrodes, electrochemical current, and current value are described in the paper.

In the paper you can read info around circuit design, background current, impedance, circuit output, measured cyclic, values, electrochemical detection, electrochemical, neurotransmitter dopamine, peak current, reduction, fabrication, and fabricated electrodes. Below are excerpted from the paper:

This paper presents the use of interdigitated microelectrodes as the platform for electrochemical sensing of the neurotransmitter dopamine. Gold electrodes with gaps ranging between 3 µm to 7 µm are fabricated by the lift-off technique. The reduction and oxidation potentials for dopamine are determined by voltammetry using the fabricated microelectrodes. A CMOS sensing circuit is used to amplify the electrochemical current produced by the working electrodes. Experimental result shows that for a dopamine concentration of 10 µM, the measured current value is 11 pA

Even more, the paper contains information things like sensing circuit, current sensing, concentration, waveforms, microelectrode, microelectrode chip, detection, clock, cyclic voltammetry, output, output waveforms, and circuit.

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