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Abstract
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Electrochemical sensors have shown superior abilities in determining electroactive analytes. To overcome the limitations of electrochemical methods, it is necessary to use sensitive and selective electrodes. In the past decades, graphenized graphite electrodes have been used as a conductive and sensitive substrate for the determination of many heavy metals. We aim to leverage the high surface area and conductivity of graphene for the detection of important analytes, such as arsenic. It is expected that by using a graphenized substrate or electrode, the sensitivity of arsenic measurement will be increased allowing us to detect arsenic at lower concentrations
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