Author/Authors :
Khasanah, Miratul Department of Chemistry - Faculty of Science and Technology - Universitas Airlangga Mulyorejo Kampus C Universitas Airlangga, Indonesia , Handajani, Usreg Sri Department of Chemistry - Faculty of Science and Technology - Universitas Airlangga Mulyorejo Kampus C Universitas Airlangga, Indonesia , Widati, Alfa Akustia Department of Chemistry - Faculty of Science and Technology - Universitas Airlangga Mulyorejo Kampus C Universitas Airlangga, Indonesia , Abdulloh, Abdulloh Department of Chemistry - Faculty of Science and Technology - Universitas Airlangga Mulyorejo Kampus C Universitas Airlangga, Indonesia , Rindarti, Ria Risty Department of Chemistry - Faculty of Science and Technology - Universitas Airlangga Mulyorejo Kampus C Universitas Airlangga, Indonesia
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 creatinine-selective sensor exhibited good reproducibility, accuracy, and a long lifetime. The creatinine-selective electrode based on carbon paste-imprinted zeolite can be potentially used for creatinine detection in the medical field.
