Design of a Low-Cost DNA Biochip Using Copper Electrode
Abstract:The need for affordable and disposable DNA biochips that can perform in situ analysis is increasing daily. Amperometric detection (AD) is one of the most popular detection techniques used in DNA sensing. An important component of these biochips is the working electrode that needs to be carefully designed to achieve good sensitivity. At present, most AD biochips use platinum (Pt) or gold (Au), since these materials are not only sensitive but also produce good signal-to-noise ratios. Hence, the cost of fabricati… Show more
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