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۱Nile Blue– Chitosan Composite as a new Electrochemical Sensor for Uric Acid on Glassy Carbon Electrode
نویسنده(ها): ، ،
اطلاعات انتشار: Progress in Color، هشتم،شماره۱، ۲۰۱۵، سال
تعداد صفحات: ۱۰
Nile blue–Chitosan NB–CH as a new type of organic days–organic composite was made using Nile blue and chitosan. The NB–CH composite was made using a 0.005 M solution of Nile blue NB and a 7 solution of chitosan. To do this, a mixture of Nile blue and Chitosan with the ratio of 2:1 was prepared. The electrocatalytic oxidation of uric acid UA has been studied on glassy carbon electrode by NB–CH using electrochemical techniques. The NB–CH electrode showed one pair of peaks in 0.5 M KHSO4 as a supporting electrolyte. The catalytic currents are linearly related to UA concentrations in the ranges of 3×10–5 to 1.8×10–4 M and limit of detection 1.2 ×10–6 M with surface coverage of 2 ×10–8 mol cm–2.
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