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Journal : Molekul: Jurnal Ilmiah Kimia

Determination of Glucose with Cellulose Acetate/Glucose Oxidase Modified Carbon Paste Electrodes Rochmad Kris Sanjaya; Datin An Nisa Sukmawati; Nurul Ismillayli; Dhony Hermanto
Molekul Vol 16, No 3 (2021)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.705 KB) | DOI: 10.20884/1.jm.2021.16.3.679

Abstract

An amperometric biosensor for glucose determination was developed using a carbon paste electrode (CPE) modified with cellulose acetate (CA)/glucose oxidase (GOx) bilayer membrane through the electrostatic interaction between them. The CA membrane was used as matrix for enzyme immobilization via microencapsulation technique, is enzyme placed between two membranes. CA/GOx membrane was attached to CPE surface containing ferrocene (Fc). By using proposed amperometric biosensor, glucose concentration was determined as well as its characteristic. The modified Fc–graphite electrode with CA/GOx bilayer membrane for glucose had optimum measurement conditions at work emf of 874 mV, CA concentration of 10% and amount Fc of 0.021 mg. The biosensor showed good performance at glucose concentration range of 0.05–3 mM and limit of detection was 0.024 mM. Proposed biosensor has good reproducibility with relative standard deviation (RSD) was less than 5% up to 7 times use (in the defined condition 4 ˚C). Glucose measurement result in human serum of diabetes mellitus patients showed conformity with result of reference method, MediSense Optium glucose test kit.
Co-Authors Ahmad Wirahadi Ahmad Wirahadi Alya Hadranita Utami Amida Rischia Ulfa Apriani, Niza Yusnita Baiq Anggi Yustika Leni Baiq Handayani Rinuastuti Baiq Mariana Baiq Mariana Bambang Kuswandi Bambang Kuswandi Bambang Kuswandi Bambang Kuswandi Bela Azkiana Chen, Chang-Nan Datin An Nisa Sukmawati Dedi Suhendra Dedy Suhendra Dedy Suhendra Dina Asnawati Dwi Siswanta Dwi Siswanta Dwi Siswanta Erin Ryantin Gunawan Erin Ryantin Gunawan Erin Ryantin Gunawan Erin Ryantin Gunawan Erin Ryantin Gunawan, Erin Fahrurazi Fahrurazi Fahrurazi Fahrurazi Fahrurazi Fahrurazi Fahrurazi Fahrurazi Handa Muliasari I G. Ayu Sri Andayani I. G. A. Sri Andayani I. G. Ayu Sri Andayani Iman Rahayu Iman Rahayu Hidayati Soesanto Iriando, Mahadi Muhammad Gunadharma Iwan Sumarlan Juliandri Juliandri Juliandri Jurnal Pepadu Laili Mardiana Laili Mardiana Lalu Agung Nartiadi Lely Kurniawati Lely Kurniawati Liliek Karnila Linda Marta Shofiyana Linda Marta Shofiyana Mamika Ujianita Romdhini Mamika Ujianita Romdhini, Mamika Ujianita Mariana, Baiq Marliadi Susanto Masyhuri, Aga Adi Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Muhammad Zakirrahman Murniati Murniati Murniati . Murniati Murniati Ni Kadek Intan Wulan Sinta Dewi Nindi Herdiyanti Nurlaela Nurlaela Nurul Ismillayli Prihatini, Putri Jauhar Qurnia Aini Rasyadan Taufiq Probojati RINA KURNIANINGSIH Rina Kurnianingsih Rochmad K Sanjaya Rochmad K. Sanjaya Rochmad Kris Sanjaya Rochmad Krissanjaya Rosita Wati Ruru Honiar Ruru Honiar Ruru Honiar Sanjaya, Rochmad K Saprini Hamdiani Saprizal Hadisaputra Saputri, Dinar Suksmayu Sari, Ayu Purnama savitri, Lisa Sawmi Jannaturrayyan Siti Raudhatul Kamali Siti Raudhatul Kamali Siti Raudhatul Kamali Soraya Aulia Sri Seno Handayani Sri Seno Handayani Sri Seno Handayani Sri Seno Handayani Sudirman Sudirman Surya Hadi TATI NURHAYATI Ulul Khairi Zuryati Ulul Khairi Zuryati Ulul Khairi Zuryati Ulul Khairi Zuryati Ulul Khairi Zuryati Ulul Khairi Zuryati Wirahadi, Ahmad Yuliasari, Rina