Abstract
Screen printing is a broadly explored innovative technology for the fabrication of electrochemical sensor platforms. Through this method, the portable, sensitive, and miniaturized sensing devices can be constructed, which can be applied for on-site analysis. Screen-printed electrodes (SPEs) possess numerous benefits, when compared to the conventional electrodes, due to their ability for the application of smaller sample volumes that can pave the way for designing inexpensive, facile, disposable, reliable, precise, ultrasensitive, and reproducible electrochemical sensors. Over the past decade, electrochemical sensors have grabbed an enormous attention due to their versatility. Such sensors work under several principles including voltammetry, amperometry, impedimetry, as well as potentiometry, depending on their application and requirement. This chapter emphasizes the recent advances in designing the disposable screen-printed electrochemical sensors for various applications, particularly in the area of biomedicine as well as environmental and food safety. In addition, their sensor fabrication techniques, operating procedures, and overall performance are briefly discussed.
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