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Sakaleshpur Kumar G, Ballur Prasanna S, Lokesh Marenahalli B, Shadakshari S, Arehalli Shivamurthy S, Rajabathar JR, Chimatahalli Shanthakumar K, Han YK. Flake-like structure of SrTiO 3 nanoparticles dispersed on graphene oxide: A selective and sensitive electrochemical sensor for determination of chloramphenicol in milk and honey samples. Food Chem 2024; 444:138637. [PMID: 38341918 DOI: 10.1016/j.foodchem.2024.138637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/13/2024]
Abstract
The use of Chloramphenicol (CAP), a potent antibiotic with broad-spectrum capabilities in food-producing animals has been restricted by the European Union and several other countries due to its severe side effects. Thus, CAP must be detected quickly and sensitively. In this investigation, the preparation of SrTiO3 nanoparticles was carried out utilizing a hydrothermal technique. The as-synthesized strontium titanate was decorated on the graphene oxide (SrTiO3/GO) using an ultrasonication method. An electrochemical sensor was developed by employing a modified electrode consisting of SrTiO3/GO, which can accurately detect CAP in food samples. The synergistic effect of SrTiO3 and GO could improve the peak current response. Remarkably, the SrTiO3/GO-modified glassy carbon electrode has a LOD and sensitivity of 6.08 µM nM and 2.771 µA·μM-1·cm-2, respectively. This modified electrode was evaluated in food samples and had an outstanding reaction with a high percentage of recovery, which makes it a potential electrocatalyst for CAP detection.
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Affiliation(s)
- Gagankumar Sakaleshpur Kumar
- Department of Chemistry, SJCE, JSS Science and Technology University, Karnataka 570006, India; Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 100-715, Republic of Korea
| | - Sanjay Ballur Prasanna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Bhuvan Lokesh Marenahalli
- International PhD Program for Biomedical Engineering, Taipei Medical University, 250 Wuxing St, Taipei 11031, Taiwan
| | - Sandeep Shadakshari
- Department of Chemistry, SJCE, JSS Science and Technology University, Karnataka 570006, India.
| | | | - Jothi Ramalingam Rajabathar
- Department of Chemistry, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Saudi Arabia
| | | | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 100-715, Republic of Korea.
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Jagtap AA, Prasanna SB, Kumar GS, Lin YC, Dhawan U, Lu YC, Sakthivel R, Tung CW, Chung RJ. A Ce 2MgMoO 6 double perovskite decorated on a functionalized carbon nanofiber nanocomposite for quantification of ciprofloxacin in milk and honey samples: Density functional theory interpretation. CHEMOSPHERE 2024; 358:142237. [PMID: 38705406 DOI: 10.1016/j.chemosphere.2024.142237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/11/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
In this study, a novel Ce2MgMoO6/CNFs (cerium magnesium molybdite double perovskite decorated on carbon nanofibers) nanocomposite was developed for selective and ultra-sensitive detection of ciprofloxacin (CFX). Physical characterization and analytical techniques were used to explore the morphology, structure, and electrocatalytic characteristics of the Ce2MgMoO6/CNFs nanocomposite. The sensor has a wide linear range (0.005-7.71 μM and 9.75-77.71 μM), a low limit of detection (0.012 μM), high sensitivity (0.807 μA μM-1 cm-2 nM), remarkable repeatability, and an appreciable storage stability. Here, we used density functional theory to investigate CFX and oxidized CFX as well as the locations of the energy levels and electron transfer sites. Furthermore, the Ce2MgMoO6/CNFs-modified electrode was successfully tested in food samples (milk and honey), indicating an acceptable response with a recovery percentage and relative standard deviation of less than 4%, which is comparable to that of GC-MS. Finally, the developed sensor exhibited high selectivity and stability for CFX detection.
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Affiliation(s)
- Akash Ashokrao Jagtap
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan
| | - Sanjay Ballur Prasanna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan
| | | | - Yu-Chien Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan; School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Udesh Dhawan
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, James Watt School of Engineering, Mazumdar-Shaw Advanced Research Centre, University of Glasgow, Glasgow, G116EW, UK
| | - Yu-Chun Lu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan; ZhongSun Co., LTD, New Taipei City, 220031, Taiwan
| | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan.
| | - Ching-Wei Tung
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan.
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan; High-value Biomaterials Research and Commercialization Center, National Taipei University of Technology (Taipei Tech), Taipei, 10608, Taiwan.
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Prasanna SB, Kumar GS, Sakthivel R, Shanthakumar KC, Lin LY, Duann YF, Lin YC, Lu YC, Chung RJ. Dual Z-scheme heterojunction Ce 2Sn 2O 7/Ag 3PO 4/V@g-C 3N 4 for increased photocatalytic degradation of the food additive tartrazine, in the presence of persulfate: Kinetics, toxicity, and density functional theory studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124196. [PMID: 38788992 DOI: 10.1016/j.envpol.2024.124196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024]
Abstract
This study involved the synthesis of a Ce2Sn2O7/Ag3PO4/V@g-C3N4 composite through hydrothermal methods, followed by mechanical grinding. The resulting heterojunction exhibited improved catalytic activity under visible light by effectively separating electrons and holes (e-/h+). The degradation of Tartrazine (TTZ) reached 93.20% within 50 min by employing a ternary composite at a concentration of 10 mg L-1, along with 6 mg L-1 of PS. The highest pseudo-first-order kinetic constant (0.1273 min-1 and R2 = 0.951) was observed in this system. The dual Z-scheme heterojunction is developed by Ce2Sn2O7, Ag3PO4, and V@g-C3N4, and it may increase the visible light absorption range while also accelerating charge carrier transfer and separation between catalysts. The analysis of the vulnerability positions and degradation pathways of TTZ involved the utilization of density functional theory (DFT) and gas chromatography-mass spectrometry (GC-MS) to examine the intermediate products. Therefore, Ce2Sn2O7/Ag3PO4/V@g-C3N4 is an excellent ternary nanocomposite for the remediation of pollutants.
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Affiliation(s)
- Sanjay Ballur Prasanna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | | | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | | | - Lu-Yin Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yeh-Fang Duann
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yu-Chien Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Yu-Chun Lu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; ZhongSun Co., LTD, New Taipei City 220031, Taiwan
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; High-value Biomaterials Research and Commercialization Center, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan.
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Basavapura Ravikumar S, Prasanna SB, Shanthappa NS, Dwarakanath SC, Shivamurthy SA, Shadakshari S, Shanthakumar KC, Al-lohedan HA, Karnan M. Development of a Highly Sensitive Electrochemical Sensor Using Sm 2CuZrO 6 Double Perovskite as an Electrocatalyst for Determination of Risperidone Antipsychotic Drug in Tablet Samples. ACS OMEGA 2023; 8:47781-47790. [PMID: 38144111 PMCID: PMC10733946 DOI: 10.1021/acsomega.3c06254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 12/26/2023]
Abstract
In this study, the preparation of Sm2CuZrO6 double perovskites was carried out through the utilization of a sol-gel technique. The Sm2CuZrO6 displayed notable conductivity, impressive electrocatalytic activity, and rapid electron transfer. The monitoring of risperidone (RIS) in tablet samples is greatly influenced by these properties. Various techniques for structural and morphological characterization were employed to confirm the formation of Sm2CuZrO6. The electrochemical properties of Sm2CuZrO6 were assessed through utilization of cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and linear sweep voltammetry (LSV). Interestingly, the Sm2CuZrO6 exhibited a remarkable wide linear range of 50-500 nM, along with a detection limit of 10.62 nM. Notably, it demonstrated a sensitivity of 0.4038 μA μM-1 cm-2. The constructed sensor demonstrated noteworthy selectivity, stability, and repeatability. To assess the practicality of RIS, its performance was monitored in the tablet sample, resulting in satisfactory recoveries.
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Affiliation(s)
| | - Sanjay Ballur Prasanna
- Department
of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Nanjunda Swamy Shanthappa
- Department
of Chemistry, SJCE, JSS Science and Technology
University, Mysuru, Karnataka 570006, India
| | | | | | - Sandeep Shadakshari
- Department
of Chemistry, SJCE, JSS Science and Technology
University, Mysuru, Karnataka 570006, India
| | | | - Hamad A. Al-lohedan
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box. 2455, Riyadh 11451, Saudi Arabia
| | - Muthusamy Karnan
- Grassland
and Forage Division, National Institute
of Animal Science, Rural Development Administration, Cheonan, Chungcheongnam-do 3100, South Korea
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