Miratul Khasanah, .- and Usreg Sri Handajani, .- and Alfa Akustia Widati, .- and Abdulloh,, .- and Ria Risty Rindarti, .- (2018) Construction and Performance of Creatinine Selective Electrode based on Carbon Paste-Imprinting Zeolite. Analytical and Bioanalytical Electrochemistry, 10 (4). pp. 429-438. ISSN E-ISSN: 2008-4226

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Abstract

Carbon paste-modified imprinted zeolite electrodes as a potentiometric sensor for creatinine detection have been constructed. The modified electrodes were fabricated by mixing activated carbon, imprinted zeolite, and paraffin. The electrode that was prepared with a respective mass ratio of 45:15:40 showed the best performance in creatinine detection. In addition, the electrode showed a fast response time (less than 50 s), a wide range of measurement (10-7–10-5 M), and a low limit of detection (7.9×10-8 M). The presence of urea in the solution did not interfere in the detection of creatinine. The proposed creatinineselective sensor exhibited good reproducibility, accuracy, and a long lifetime. The creatinineselective electrode based on carbon paste-imprinted zeolite can be potentially used for creatinine detection in the medical field.

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