A low-power electronic instrumentation for multi-parametric diabetes mellitus analysis

We present a small, compact and low-power electronic instrumentation for a point-of-care (PoC) device for the early diagnosis of diabetes mellitus and associated risk factors. The presented system consists of a low-power 4-channel potentiostat, a transducer with 4 separate electrochemical cells featuring different biosensors, and a low-cost printed battery. The system is designed to measure key parameters on diabetes mellitus analysis, such as: glucose, cholesterol and triglycerides. It has been designed as a disposable device using a single blood drop to quantify these parameters, enhancing disposition decision time and improving patient satisfaction when compared with current analytical methodology. The electronic instrumentation has been designed to simultaneously control and read the measurement of the 4 different sensors on the transducer block/chip. In this paper, we present the previous evaluation of the system through different cyclic voltammetry and chronoamperometry analysis compared with a commercial multichannel potentiostat 1030B from CH Instruments. The system presents accurate and reliable performance powered by a printed electrochemical battery.

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