Miratul Khasanah and H. Darmokoesoemo and D. A. Rizki (2017) Carbon paste electrode modified molecularly imprinted polymer as a sensor for creatinine analysis by stripping voltammetry. In: 6th International Conference and Workshops on Basic and Applied Science. AIP Publishing, Erbil, Kurdistan, Iraq, 020033-1. ISBN ISSN:0094-243X E-ISSN:1551-7616 (In Press)

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Abstract

Modification of carbon paste electrode with molecularly imprinted polymer (CP-MIP) as a voltammetric sensor for creatinine has been developed. MIP was synthesized by reacting melamine, chloranil and creatinine with a mole ratio of 1:1:0.1. Creatinine was extracted from polymer chain by using hot water to form a specific imprinted for creatinine molecule. Carbon paste-MIP electrode was prepared by mixing activated carbon, solid paraffin, and MIP in a 45:40:15(w/w %) ratio. The optimum conditions of creatinine analysis by differential pulse stripping voltammetry (DPSV) using the developed electrode were the accumulation potential -1000 mV during 90 s at pH 5. The precision of the method for 0.1-0.5 μlg/L creatinine was 88.7–96.3%, while the detection limit of this method was 0.0315 μlg/L. The accuracy compared by spectrophotometric method was 95.3–103.6%

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