Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry
Imprinted zeolite modified carbon paste (carbon paste-IZ) electrode had been developed as a sensor to analyze blood glucose content by potentiometry. The used zeolite was Lynde Type A (LTA) that synthesized with a mole ratio of Na2O, Al2O3, SiO2 and H2O of 4:1:1.8:270, respectively while non-imprint...
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Department of Chemistry, Universitas Gadjah Mada
2020
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oai:doaj.org-article:e6e2231c1d6141a1949ef88145d893c52021-12-02T12:03:36ZImprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry1411-94202460-157810.22146/ijc.49820https://doaj.org/article/e6e2231c1d6141a1949ef88145d893c52020-06-01T00:00:00Zhttps://jurnal.ugm.ac.id/ijc/article/view/49820https://doaj.org/toc/1411-9420https://doaj.org/toc/2460-1578Imprinted zeolite modified carbon paste (carbon paste-IZ) electrode had been developed as a sensor to analyze blood glucose content by potentiometry. The used zeolite was Lynde Type A (LTA) that synthesized with a mole ratio of Na2O, Al2O3, SiO2 and H2O of 4:1:1.8:270, respectively while non-imprinted zeolite was prepared with a mole ratio of glucose/Si of 0.0306. Glucose was then extracted from the zeolite framework using hot water (80 °C) to produce imprinted zeolite (IZ). The carbon paste-IZ electrode prepared from activated carbon, paraffin pastilles, and IZ with a mass ratio of 5:4:1 showed the best performance. The modified electrode demonstrated the measurement range of 10–4-10–2 M, the Nernst factor of 29.55 mV/decade, the response time less than 120 s, and the detection limit of 5.62 × 10–5 M. Ascorbic acid, uric acid, urea and creatinine did not interfere on the glucose analysis by potentiometry. Comparison test with spectrophotometry showed an accuracy of (90.7 ± 1.4)% (n = 5), while the application of the electrode to analyze five spiked serum samples showed recovery of (92.2 ± 1.3)% (n = 5). The electrode was stable for up to 9 weeks (168 times usage). Based on its performance, the developed electrode can be applied to analyze glucose in human serum sample and recommended for used in the medical field.Miratul KhasanahAlfa Akustia WidatiUsreg Sri HandajaniMuji HarsiniBahrotul IlmiahIrene Dinda OktaviaDepartment of Chemistry, Universitas Gadjah Madaarticleblood glucosecarbon paste electrodeimprinted zeolitepotentiometric sensorChemistryQD1-999ENIndonesian Journal of Chemistry, Vol 20, Iss 6, Pp 1301-1310 (2020) |
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blood glucose carbon paste electrode imprinted zeolite potentiometric sensor Chemistry QD1-999 |
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blood glucose carbon paste electrode imprinted zeolite potentiometric sensor Chemistry QD1-999 Miratul Khasanah Alfa Akustia Widati Usreg Sri Handajani Muji Harsini Bahrotul Ilmiah Irene Dinda Oktavia Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
description |
Imprinted zeolite modified carbon paste (carbon paste-IZ) electrode had been developed as a sensor to analyze blood glucose content by potentiometry. The used zeolite was Lynde Type A (LTA) that synthesized with a mole ratio of Na2O, Al2O3, SiO2 and H2O of 4:1:1.8:270, respectively while non-imprinted zeolite was prepared with a mole ratio of glucose/Si of 0.0306. Glucose was then extracted from the zeolite framework using hot water (80 °C) to produce imprinted zeolite (IZ). The carbon paste-IZ electrode prepared from activated carbon, paraffin pastilles, and IZ with a mass ratio of 5:4:1 showed the best performance. The modified electrode demonstrated the measurement range of 10–4-10–2 M, the Nernst factor of 29.55 mV/decade, the response time less than 120 s, and the detection limit of 5.62 × 10–5 M. Ascorbic acid, uric acid, urea and creatinine did not interfere on the glucose analysis by potentiometry. Comparison test with spectrophotometry showed an accuracy of (90.7 ± 1.4)% (n = 5), while the application of the electrode to analyze five spiked serum samples showed recovery of (92.2 ± 1.3)% (n = 5). The electrode was stable for up to 9 weeks (168 times usage). Based on its performance, the developed electrode can be applied to analyze glucose in human serum sample and recommended for used in the medical field. |
format |
article |
author |
Miratul Khasanah Alfa Akustia Widati Usreg Sri Handajani Muji Harsini Bahrotul Ilmiah Irene Dinda Oktavia |
author_facet |
Miratul Khasanah Alfa Akustia Widati Usreg Sri Handajani Muji Harsini Bahrotul Ilmiah Irene Dinda Oktavia |
author_sort |
Miratul Khasanah |
title |
Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
title_short |
Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
title_full |
Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
title_fullStr |
Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
title_full_unstemmed |
Imprinted Zeolite Modified Carbon Paste Electrode as a Selective Sensor for Blood Glucose Analysis by Potentiometry |
title_sort |
imprinted zeolite modified carbon paste electrode as a selective sensor for blood glucose analysis by potentiometry |
publisher |
Department of Chemistry, Universitas Gadjah Mada |
publishDate |
2020 |
url |
https://doaj.org/article/e6e2231c1d6141a1949ef88145d893c5 |
work_keys_str_mv |
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