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All Journal Bulletin of Chemical Reaction Engineering & Catalysis Indonesian Journal of Chemistry Jurnal Layanan Masyarakat (Journal of Public Service) Jurnal Pengabdian Masyarakat Hasanuddin (JPMH) Makara Journal of Science Journal of Advanced Technology and Multidiscipline (JATM) Environmental and Materials Bulletin of Chemical Reaction Engineering & Catalysis
Prastika Krisma Jiwanti
Deparment Of Nanotechnology Engineering, Faculty Of Advanced Technology And Multidiscipline, Universitas Airlangga, Indonesia
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Journal : Environmental and Materials

 1 
Study of levofloxacin electrochemical sensors on screen-printed carbon electrodes Ilmanda Zalzabhila Danistya Putri; Prastika Krisma Jiwanti; Achmad Badrus Zaman Rifky Romadhon
Environmental and Materials Vol. 1 No. 1: Juni (2023)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v1i1.2023.96

Abstract

Levofloxacin (LEV) is a type of fluoroquinolone antibiotic that usually used for treating the bacterial infection. The released of LEV in environment may impact a significant risk to the ecosystems. Thus, a fast and sensitive sensor device is required. In this work, the detection of LEV is carried out using a screen-printed carbon electrode (SPE). The measurement methods used were square wave voltammetry and cyclic voltammetry. The limit of detection and limit quantitation were 4.34 µM, 14.4 µM, respectively. The relative standard deviation was obtained at 5.4%. The %recovery results obtained using screen printed electrode in drug, milk, and wastewater were in the range of 95-110%. The validated method was successfully applied to detect the levofloxacin and resulted in a sensitive and efficient measurement.
Study of levofloxacin electrochemical sensors on screen-printed carbon electrodes Putri, Ilmanda Zalzabhila Danistya; Jiwanti, Prastika Krisma; Romadhon, Achmad Badrus Zaman Rifky
Environmental and Materials Vol. 1 No. 1: (June) 2023
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v1i1.2023.96

Abstract

Levofloxacin (LEV) is a type of fluoroquinolone antibiotic that usually used for treating the bacterial infection. The released of LEV in environment may impact a significant risk to the ecosystems. Thus, a fast and sensitive sensor device is required. In this work, the detection of LEV is carried out using a screen-printed carbon electrode (SPE). The measurement methods used were square wave voltammetry and cyclic voltammetry. The limit of detection and limit quantitation were 4.34 µM, 14.4 µM, respectively. The relative standard deviation was obtained at 5.4%. The %recovery results obtained using screen printed electrode in drug, milk, and wastewater were in the range of 95-110%. The validated method was successfully applied to detect the levofloxacin and resulted in a sensitive and efficient measurement.
Electroreduction of carbon dioxide (CO2) with flow cell system using tin-modified copper foam electrode Syauqi, Muhammad Iqbal; Cahyani, Annisa Titi; Putri, Yulia Mariana Tesa Ayudia; Jiwanti, Prastika Krisma
Environmental and Materials Vol. 1 No. 2: (December) 2023
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v1i2.2023.363

Abstract

In this study, modification of the copper foam (Cuf) electrode with tin (Sn) was carried out with the electrodeposition method for application in CO2 electroreduction.  Characterization using SEM EDX, FTIR, and XRD confirmed the presence of Cu2O, CuO, and SnO2 thin layer mixture on the Cuf/Sn electrode. The electrochemical characteristics of the electrode were examined by using the cyclic voltammetry (CV) technique. Under optimized conditions, electrochemical reduction of CO2 in a flow cell system. At the optimum condition of CO2 reduction in a flow cell system (flow rate of 75 mL/min and –0.6 V vs Ag/AgCl applied potential), the Cuf/Sn electrode exhibited a remarkable 75.79% with an 8.84 µmol/h formic acid production rate. In a comparable experiment, the Cuf/Sn flow system revealed a twofold improvement in the faradaic efficiency compared to the batch system and a threefold increase compared to the unmodified Cuf electrode in the flow system. Stability tests demonstrated consistent performance up to the 4th cycle, followed by a decline in the 5th cycle, potentially indicative of surface deterioration. The elevated performance is attributed to the synergistic effect of the Cu-Sn oxide layer, reinforcing the catalyst’s potential for efficient electrochemical CO2 reduction to formic acid.
Influence of NaBH4 on the sensitivity of As3+ and As5+ sensor using gold modified boron doped diamond electrodes Yuliandri, Pratiwi; Lestarini, Dian Tri; Khalil, Munawar; Einaga, Yasuaki; Jiwanti, Prastika Krisma
Environmental and Materials Vol. 2 No. 1: (June) 2024
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v2i1.2024.804

Abstract

Background: Arsenic is known as one of the carcinogenic metalloids and can cause various health issues when ingested or inhaled over prolonged periods of time. Methods: In this work, boron-doped diamond (BDD) electrode was altered with gold particles (Au) arranged by seeding continued with electrodeposition of HAuCl4 solutions at the electrode surface, will be used as electrode to detect As3+ and As5+ in lake water. The deposited gold particles on the BDD surface were studied with scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and X-ray photoelectron spectroscopy (XPS). Detections of As3+, As5+, and mixture solutions of As3+ and As5+, carried out with anodic stripping voltammetry (ASV). Findings: The, pre-treatment using NaBH4 carried out for reduction from As5+ to As3+, indicate an improvement at the sensitivity of As3+ and As5+ detection with a good linear responses for each solution in range concentrations of 0.02-0.2 ppm for As3+ and As5+, with R2=0.9759 and R2= 0.9876, respectively. Conclusion: Furthermore, limit of detections of 0.0335 ppm and 0.0239 ppm can be attained for As3+ and As5+ displayed high linearity, revealing that detection of each species of As3+ and As5+ can be conducted in mixture of As3+ and As5+. Novelty/Originality of this Study: This study involves the modification of BDD electrodes with gold (Au) using a combined seeding and electrodeposition technique, which enhances stability and sensitivity for detecting arsenic (As³⁺ and As⁵⁺) at low concentrations. Additionally, the research introduces a pretreatment method using NaBH₄ to facilitate the detection of As⁵⁺ by reducing it to As³⁺, thereby improving the detection limits with anodic stripping voltammetry (ASV).
Co-Authors Abdullah, Imam Achmad Badrus Zaman Rifky Romadhon Ariani, Jenny Arief Cahyo Wibowo Aritonang, Rani Puspitasari Bastoni Semendawai Cahyani, Annisa Titi Che Azurahanim Che Abdullah Dhurriah Zain Einaga, Yasuaki Endang Saepudin, Endang Fadjar Mulya Firmansyah, Mochamad Lutfi Firmansyah, Mochammad Lutfi Ganden Supriyanto Ika Yanti Ilma Amalina Ilmanda Zalzabhila Danistya Putri Ilmanda Zalzabhila Danistya Putri Ilmi Nur Indriani Savitri Imanda Widianti Intan Nurul Rizki Irfansyah Rais Sitorus Irkham Irkham Ivandini Tribidasari Anggraningrum Jarnuzi Gunlazuardi Jarnuzi Gunlazuardi Jenny Ariani Jihan N Adzijah Kadja, Grandprix Thomryes Marth Laurencia G. Sutanto Lestarini, Dian Tri Maemonah, Maemonah Mirza Ardella Saputra Muchammad Farchan Chanif Muchammad Farchan Hanif Muhammad Aditya Bryan Rahadi Muhammad Fahrizal Himawan Mulya, Fadjar Munawar Khalil Putri, Ilmanda Zalzabhila Danistya Putri, Yulia Mariana Tesa Ayudia Raden Joko Kuncoroningrat Susilo Rani Naomi Panjaitan Retno Sari Romadhon, Achmad Badrus Zaman Rifky Sachin Kumar Srivastava Sekar Asmara Jati Sekar Asmara Jati Septian Nafiatul Khasanah Siti Wafiroh Suhailah Hayaza Syauqi, Muhammad Iqbal Tahta Amrillah Wiyogo Prio Wicaksono Wiyogo Prio Wicaksono Yasuaki Einaga Yasuaki Einaga Yasuaki Einaga Yeremia B. Cristian Yeremia Budi Cristian Yew Hoong Wong Yuliandri, Pratiwi