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Maleki B, Jamshidi A, Peiman S, Housaindokht MR. Tri-vanadium Substituted Dawson-type Heteropolytungstate Nanocomposite (g-C 3N 4/Fe 3O 4@P 2W 15V 3) as a Novel, Green, and Recyclable Nanomagnetic Catalyst in the Synthesis of Tetrahydrobenzo[b]Pyrans. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2023.2184398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Affiliation(s)
- Behrooz Maleki
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Ali Jamshidi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
- Research and Technology Center of Biomolecule, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Sahar Peiman
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Mohammad Reza Housaindokht
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
- Research and Technology Center of Biomolecule, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Shabana N, Arjun AM, Rajendran K, Pathan S, Rasheed PA. Ru-W modified graphitic carbon nitride by a monomer complexation synthesis approach from a tailored polyoxometalate: towards electrochemical detection of hydrogen peroxide released by cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:587-595. [PMID: 36633183 DOI: 10.1039/d2ay01763f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Detection of hydrogen peroxide (H2O2) from cell cultures is important for monitoring different diseases. Here, g-C3N4 (gCN) was incorporated into well-defined clusters of RuW (RuW-gCN) through monomer complexation of Ru-substituted phosphotungstate and melamine for electrochemical detection of H2O2. RuW-gCN exhibited enhanced electrochemical sensing properties in comparison to its constituents due to the synergic effects between RuW and gCN. The characterization of RuW-gCN revealed successful complexation to form the composite in addition to the presence of a layered structure of gCN. The electrochemical sensor made of RuW-gCN was able to detect H2O2 with a detection limit of 46 nM in the linear ranges from 100 nM to 50 μM and from 50 μM to 1 mM. The developed sensor was employed for the selective detection of H2O2 in the presence of analytes like ascorbic acid (AA), dopamine, and glucose in addition to being stable even after a week of storage at room temperature. It has also been verified for real sample application by detecting H2O2 produced by cancer cells as a result of an AA trigger.
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Affiliation(s)
- Neermunda Shabana
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad, Kerala, India-678 557.
| | - Ajith Mohan Arjun
- Department of Biological Sciences and Engineering, Indian Institute of Technology Palakkad, Palakkad, Kerala, India-678 557
| | - K Rajendran
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad, Kerala, India-678 557.
| | - Soyeb Pathan
- Centre of Research for Development (CR4D), Parul Institute of Applied Sciences, Parul University, Vadodara, Gujarat, India-391760
- Department of Chemistry, Parul Institute of Applied Sciences, Parul University, Vadodara, Gujarat, India-391760
| | - P Abdul Rasheed
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad, Kerala, India-678 557.
- Department of Biological Sciences and Engineering, Indian Institute of Technology Palakkad, Palakkad, Kerala, India-678 557
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Housaindokht MR, Jamshidi A, Zonoz FM, Firouzi M. A novel nanocomposite (g-C 3N 4/Fe 3O 4@P 2W 15V 3) with dual function in organic dyes degradation and cysteine sensing. CHEMOSPHERE 2022; 304:135305. [PMID: 35718034 DOI: 10.1016/j.chemosphere.2022.135305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Among the important needs of human societies is the elimination of environmental pollution and also the construction of high-performance and inexpensive biosensors. In this regard, the construction of multi-functional composites has been considered. A novel magnetic graphite carbon nitride decorated by tri-vanadium substituted Dawson-type heteropolytungstate nanocomposite (C3N4/Fe3O4@P2W15V3) effectively synthesized and characterized by prevalent functional analysis. The prepared nano-catalyst presents bi-functional usage involving photocatalytic removal of dyes (methylene blue, congo red and phenyl red) (around 98%) under visible light radiation and greatly sensitive colorimetric sensing of cysteine in an aqueous media. Moreover, synthesized nano-catalyst successfully recovered five times without any considerable deficiency on its photocatalytic ability. Further, Moreover, we propose a novel method for cysteine detection based on the C3N4/Fe3O4@P2W15V3 nanocomposite. This nanocomposite displayed a privileged catalytic feature for cysteine oxidation to extend a clock reaction of methylene blue as an indicator in the presence of NaBH4 in acidic solution. More importantly, this colorimetric sensing method of cysteine presents an easy, low-cost, selective, and rapid colorimetric assay with a detection limit value of 7.2 μM in the acceptable linear range of 5-600 μM.
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Affiliation(s)
- Mohammad Reza Housaindokht
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Research and Technology Center of Biomolecule, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Ali Jamshidi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Research and Technology Center of Biomolecule, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
| | | | - Mojtaba Firouzi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Kranz C, Wächtler M. Characterizing photocatalysts for water splitting: from atoms to bulk and from slow to ultrafast processes. Chem Soc Rev 2021; 50:1407-1437. [DOI: 10.1039/d0cs00526f] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This review provides a comprehensive overview on characterisation techniques for light-driven redox-catalysts highlighting spectroscopic, microscopic, electrochemical and spectroelectrochemical approaches.
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Affiliation(s)
- Christine Kranz
- Ulm University
- Institute of Analytical and Bioanalytical Chemistry
- 89081 Ulm
- Germany
| | - Maria Wächtler
- Leibniz Institute of Photonic Technology
- Department Functional Interfaces
- 07745 Jena
- Germany
- Friedrich Schiller University Jena
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Wang G, Chen T, Gómez-García CJ, Zhang F, Zhang M, Ma H, Pang H, Wang X, Tan L. A High-Capacity Negative Electrode for Asymmetric Supercapacitors Based on a PMo 12 Coordination Polymer with Novel Water-Assisted Proton Channels. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2001626. [PMID: 32548898 DOI: 10.1002/smll.202001626] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/21/2020] [Indexed: 05/27/2023]
Abstract
The development of a negative electrode for supercapacitors is a critical challenge for the next-generation of energy-storage devices. Herein, two new electrodes formed by the coordination polymers [Ni(itmb)4 (HPMo12 O40 )]·2H2 O (1) and [Zn(itmb)3 (H2 O)(HPMo12 O40 )]·4H2 O (2) (itmb = 1-(imidazo-1-ly)-4-(1,2,4-triazol-1-ylmethyl)benzene), synthesized by a simple hydrothermal method, are described. Compounds 1 and 2 show high capacitances of 477.9 and 890.2 F g-1 , respectively. An asymmetric supercapacitor device assembled using 2 which has novel water-assisted proton channels as negative electrode and active carbon as positive electrode shows ultrahigh energy density and power density of 23.4 W h kg-1 and 3864.4 W kg-1 , respectively. Moreover, the ability to feed a red light emitting diode (LED) also demonstrates the feasibility for practical use. The results allow a better elucidation of the storage mechanism in polyoxometalate-based coordination polymers and provide a promising direction for exploring novel negative materials for new-generation high-performance supercapacitors.
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Affiliation(s)
- Guangning Wang
- Key Laboratory of Green Chemical Engineering and Technology, School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin, 150040, P. R. China
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, P. R. China
| | - Tingting Chen
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, P. R. China
| | - Carlos J Gómez-García
- Department of Inorganic Chemistry, Institute of Molecular Science, University of Valencia, C/Catedrático José Beltrán, Paterna, Valencia, 46980, Spain
| | - Feng Zhang
- School of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, P. R. China
| | - Mingyi Zhang
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, P. R. China
| | - Huiyuan Ma
- Key Laboratory of Green Chemical Engineering and Technology, School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin, 150040, P. R. China
| | - Haijun Pang
- Key Laboratory of Green Chemical Engineering and Technology, School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin, 150040, P. R. China
| | - Xinming Wang
- Key Laboratory of Green Chemical Engineering and Technology, School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin, 150040, P. R. China
| | - Lichao Tan
- Key Laboratory of Green Chemical Engineering and Technology, School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin, 150040, P. R. China
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Ross N, Civilized Nqakala N. Electrochemical Determination of Hydrogen Peroxide by a Nonenzymatic Catalytically Enhanced Silver-Iron (III) Oxide/Polyoxometalate/Reduced Graphene Oxide Modified Glassy Carbon Electrode. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1745223] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Natasha Ross
- SensorLab, Department of Chemistry, University of Western Cape, Bellville, Cape Town, South Africa
| | - Noniko Civilized Nqakala
- SensorLab, Department of Chemistry, University of Western Cape, Bellville, Cape Town, South Africa
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