Sonal Bajpai, Geoffrey R. Akien, Kathryn E. Toghill
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An alkaline ferrocyanide non-enzymatic electrochemical sensor for creatinine detection
Creatinine is a useful metabolite for the evaluation of Chronic Kidney Disease (CKD). Creatinine concentrations in urine outside of the healthy range of 4 to 15 mM may indicate CKD and other kidney conditions. Early detection and monitoring can provide lifesaving intervention, and as such there is a need to develop rapid, cheap and selective electrochemical creatinine sensors. A simple non-enzymatic creatinine sensing platform enabled by the electrocatalytic response of the metabolite to ferricyanide in alkaline conditions is presented. Studies were made on unmodified glassy carbon (GCE) and screen printed carbon electrodes (SPCE), both giving sensitivity of 21 ± 5 µA mM−1 cm−2 and limit of detection of ca. 60 µM.
期刊介绍：
Electrochemistry Communications is an open access journal providing fast dissemination of short communications, full communications and mini reviews covering the whole field of electrochemistry which merit urgent publication. Short communications are limited to a maximum of 20,000 characters (including spaces) while full communications and mini reviews are limited to 25,000 characters (including spaces). Supplementary information is permitted for full communications and mini reviews but not for short communications. We aim to be the fastest journal in electrochemistry for these types of papers.
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