A 3-electrode flexible sensor with dual channel for the detection of sodium and potassium ions in sweat ions

Le résumé fourni par la source

Abstract Flexible electrochemical biosensors provide real-time response, high sensitivity, low cost, and effortless operation in wearable field. Current research in the field of electrochemical biosensors has been exploring the detection of sweat samples to identify certain diseases. In this work, a 3-electrode flexible sensor with sodium and potassium ion-exchange membrane was developed, which can detect sodium and potassium ions in human sweat at the same time with dual channel. Due to sweat are related to the state of the body, the sensor can be used to diagnose, track, and predict diseases. The signal is acquired through the ADC in the detection circuit, then transmitted to the host computer. The 3-electrode flexible sensor has sensitivities of 49.00 mV/decade for sodium ion detection and 45.81 mV/decade for potassium ion detection. This work holds great promise in the wearable field, and potential in medicine, biological research, and health monitoring.

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