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All Journal Buletin Peternakan JURNAL KIMIA SAINS DAN APLIKASI Jurnal Ilmu Dasar Jurnal Sains Materi Indonesia Sains Tanah Journal of Mathematical and Fundamental Sciences CHEMPUBLISH JOURNAL Science and Technology Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Al-Kimia Jurnal Pengabdian Pada Masyarakat Indonesian Journal of Chemistry JMM (Jurnal Masyarakat Mandiri) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Pengabdian Magister Pendidikan IPA Molekul: Jurnal Ilmiah Kimia Indonesian Physical Review Jurnal Gema Ngabdi Acta Chimica Asiana Jurnal Abdi Insani Rengganis Jurnal Pengabdian Masyarakat Jurnal Pijar MIPA Jurnal Pepadu Jurnal Pendidikan dan Pengabdian Masyarakat Jurnal Pengabdian Inovasi Masyarakat Indonesia BIO-CONS: Jurnal Biologi dan Konservasi Molekul: Jurnal Ilmiah Kimia Jurnal Sains Materi Indonesia Al Hayat: Jurnal Pengabdian Masyarakat Jurnal Ilmiah Multidisiplin
Dhony Hermanto
Department Of Chemistry, Faculty Of MIPA, University Of Mataram
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Journal : Indonesian Journal of Chemistry

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Inhibitive Determination of Hg(II) in Aqueous Solution Using Urease Amperometric Biosensor Dhony Hermanto; Bambang Kuswandi; Dwi Siswanta; Mudasir Mudasir
Indonesian Journal of Chemistry Vol 19, No 3 (2019)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (16.061 KB) | DOI: 10.22146/ijc.40617

Abstract

An amperometric biosensor for the indirect determination of Hg(II) has been developed based on inhibition of urease (EC 3.5.1.5) immobilized into alginate–chitosan polyelectrolyte complexes membrane. The biosensor response was monitored by following the reduction peak of hydrolyzed urea at around -0.15 V. The amperometric biosensor has a dynamic range 40–90 ppb Hg(II) with limit of detection of 66.45 ppb toward Hg(II) ions, repeatability (CV) value of 0.86% and only Ag(I) as the main potential interference. The sensor shows a stable and reproducible response for more than 2 weeks when it stored dry at 4 °C. The analytical results of Hg(II)-spiked water sample showed a good agreement with those obtained by atomic absorption spectrometry method, suggesting that the developed method may be applied in the determination of Hg(II) in the water samples.
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