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Zhang Y, Ma Z, Xie X, Wu D, Peng X, Li J. Mechanochemically synthesized silicotungsten acidified ZVI composite for persulfate activation: Enhancement of the electron transfer and Fe slowly release mechanism. CHEMOSPHERE 2023:139254. [PMID: 37331659 DOI: 10.1016/j.chemosphere.2023.139254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 06/03/2023] [Accepted: 06/16/2023] [Indexed: 06/20/2023]
Abstract
Zero-valent iron (ZVI) is a promising technology for groundwater treatment, and its efficiency primarily depends on the electron transfer. However, there are still some problems such as low electron efficiency of ZVI particles and high yield of iron sludge that limits the performance, which warrant further investigation. In our study, a silicotungsten acidified ZVI composite (m-WZVI) was synthesized by ball milling to activate PS to degrade phenol. m-WZVI has a better performance on phenol degradation (with a removal rate of 91.82%) than ball mill ZVI(m-ZVI) with persulfate (PS) (with a removal rate of 59.37%). Compared with m-ZVI, the first-order kinetic constant (kobs) of m-WZVI/PS is 2-3 times higher than that of the others. Iron ion was gradually leached in m-WZVI/PS system, being only 2.11 mg/L after 30 min, having to avoid excessive consumption of active substances. The underlying mechanisms of m-WZVI for PS activation mainly include: 1) were elucidated through different characterizations analyses that accounted for silictungstic acid (STA) can be combined with ZVI, and a new electron donor (SiW124-) was obtained, which improved the transfer rate performance of electrons for activating PS; 2) singlet oxygen (1O2) is the main active substance for phenol degradation, but other radicals also played an important role. Therefore, m-WZVI has good prospects for improving the electron utilization of ZVI.
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Affiliation(s)
- Yingqian Zhang
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources & Environment, Nanchang University, Nanchang, 330031, China
| | - Zhifei Ma
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources & Environment, Nanchang University, Nanchang, 330031, China.
| | - Xianchuan Xie
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources & Environment, Nanchang University, Nanchang, 330031, China
| | - Daishe Wu
- School of Materials and Chemical Engineering,Pingxiang University,Pingxiang, 337000,China
| | - Xing Peng
- Hunan United Kitchen Waste Treatment Co., Ltd, Changsha, 410022, China
| | - Jianlong Li
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources & Environment, Nanchang University, Nanchang, 330031, China
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Ravanbakhsh H, Dianat S. Voltammetric and amperometric determination of iodate using a modified glassy carbon electrode based on PW12/MOF/P@ERGO nanohybrid. SENSING AND BIO-SENSING RESEARCH 2023. [DOI: 10.1016/j.sbsr.2023.100556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/13/2023] Open
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Fabre B, Falaise C, Cadot E. Polyoxometalates-Functionalized Electrodes for (Photo)Electrocatalytic Applications: Recent Advances and Prospects. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bruno Fabre
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, F-35000 Rennes, France
| | - Clément Falaise
- Institut Lavoisier de Versailles (UMR-CNRS 8180), UVSQ, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78000 Versailles, France
| | - Emmanuel Cadot
- Institut Lavoisier de Versailles (UMR-CNRS 8180), UVSQ, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78000 Versailles, France
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4
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Ravanbakhsh H, Dianat S, Hosseinian A. Fabrication of a polyoxotungstate/metal-organic framework/phosphorus-doped reduced graphene oxide nanohybrid modified glassy carbon electrode by electrochemical reduction and its electrochemical properties. RSC Adv 2022; 12:9210-9222. [PMID: 35424841 PMCID: PMC8985131 DOI: 10.1039/d2ra00746k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 03/18/2022] [Indexed: 11/26/2022] Open
Abstract
Hybrid nanocomposites based on polyoxometalates (POMs), metal–organic frameworks (MOFs), and graphene oxide (GO) have a unique set of properties. They have specific properties such as high acidity, oxygen-rich surface, and good redox capability from POMs. In contrast, they do not have weaknesses of POMs such as a low surface area, and high solubility in aqueous media. Herein, a novel organic–inorganic nanohybrid compound based on H3PW12O40 (PW12), a Co-based MOF, and GO was prepared. The prepared hybrid nanocomposite (PW12/MOF/GO) was characterized using different techniques. Then, a PW12/MOF/GO nanocomposite modified glassy carbon electrode (GCE) was fabricated by the drop-casting method and next was dried at room temperature. Then, the PW12/MOF/GO/GCE was subjected to electrochemical reduction at a constant potential of −1.5 V, in 0.1 M H3PO4 solution containing 0.10% w/v PW12/MOF/GO additive. The morphology, electrochemical activity, and stability of the modified electrode (PW12/MOF/P@ERGO/GCE) were studied with FE-SEM coupled with EDS, CV, and amperometry. The obtained results confirmed that the PW12/MOF/P@ERGO/GCE could be effective in hydrogen evolution reaction (HER). The electrochemical activity of the PW12/MOF/P@ERGO/GCE due to the desirable microstructure of the electrocatalyst (e.g. high active surface area and homogeneous distribution of the PW12/MOF/P@ERGO), and also the synergistic effect of the blocks, is more than those of PW12/GCE, MOF/GCE, PW12/MOF/GCE, and P@ERGO/GCE. Moreover, the PW12/MOF/P@ERGO/GCE showed an excellent long-term stability under the air atmosphere. Fabrication of a modified glassy carbon electrode based on a polyoxotungstate/metal–organic framework/phosphorus-doped reduced graphene oxide nanohybrid.![]()
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Affiliation(s)
- Hamid Ravanbakhsh
- Department of Chemistry, Faculty of Sciences, University of Hormozgan Bandar Abbas 79161-93145 Iran +98 76 33670121
| | - Somayeh Dianat
- Department of Chemistry, Faculty of Sciences, University of Hormozgan Bandar Abbas 79161-93145 Iran +98 76 33670121
| | - Amin Hosseinian
- Department of Chemistry, Faculty of Sciences, University of Hormozgan Bandar Abbas 79161-93145 Iran +98 76 33670121
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Tang X, Yu C, Lei Y, Wang Z, Wang C, Wang J. A novel chitosan-urea encapsulated material for persulfate slow-release to degrade organic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:128083. [PMID: 34923382 DOI: 10.1016/j.jhazmat.2021.128083] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/26/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
A novel eco-friendly material (CS-U@PS) for persulfate slow-release to effectively degrade organic pollutants (methyl orange and pyrene) was synthesized using chitosan and urea as the encapsulated framework materials via an emulsion cross-linking method for the first time. The obtained CS-U@PS exhibits spherical shapes with a uniform size of approximately 2-3 µm according to the particle-size distribution and SEM image results. The slow-release mechanism was proposed through a kinetics model study and the Ritger-Peppas model fit well (r2 = 0.9699) to indicate that the slow-release process is non-Fickian diffusion. The influences of urea and PS dosages and oxidative conditions on methyl orange degradation were studied, and all the results suggested that urea played an important role in PS slow-release and can also catalyze the activation of PS by iron to further produce radicals and improve the removal efficiency of pollutants. A pyrene removal rate of 90.53% was achieved in aqueous solutions and an above 80% removal rate was obtained in weakly acidic or neutral soil environments by CS-U@PS activated by Fe2+ with citric acid as the chelating agent. Therefore, the fabricated slow-release oxidation materials exhibit application potential for the remediation of organic polluted groundwater and soil.
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Affiliation(s)
- Xuejiao Tang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Urban Environmental Pollution Diagnosis and Remediation Technology Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China.
| | - Congya Yu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Urban Environmental Pollution Diagnosis and Remediation Technology Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Yuanyuan Lei
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Urban Environmental Pollution Diagnosis and Remediation Technology Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Zhen Wang
- School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, PR China
| | - Cuiping Wang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Urban Environmental Pollution Diagnosis and Remediation Technology Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Jingang Wang
- School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, PR China.
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Veríssimo MIS, Evtuguin DV, Gomes MTSR. Polyoxometalate Functionalized Sensors: A Review. Front Chem 2022; 10:840657. [PMID: 35372262 PMCID: PMC8964365 DOI: 10.3389/fchem.2022.840657] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/20/2022] [Indexed: 12/13/2022] Open
Abstract
Polyoxometalates (POMs) are a class of metal oxide complexes with a large structural diversity. Effective control of the final chemical and physical properties of POMs could be provided by fine-tuning chemical modifications, such as the inclusion of other metals or non-metal ions. In addition, the nature and type of the counterion can also impact POM properties, like solubility. Besides, POMs may combine with carbon materials as graphene oxide, reduced graphene oxide or carbon nanotubes to enhance electronic conductivity, with noble metal nanoparticles to increase catalytic and functional sites, be introduced into metal-organic frameworks to increase surface area and expose more active sites, and embedded into conducting polymers. The possibility to design POMs to match properties adequate for specific sensing applications turns them into highly desirable chemicals for sensor sensitive layers. This review intends to provide an overview of POM structures used in sensors (electrochemical, optical, and piezoelectric), highlighting their main functional features. Furthermore, this review aims to summarize the reported applications of POMs in sensors for detecting and determining analytes in different matrices, many of them with biochemical and clinical relevance, along with analytical figures of merit and main virtues and problems of such devices. Special emphasis is given to the stability of POMs sensitive layers, detection limits, selectivity, the pH working range and throughput.
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Affiliation(s)
- Marta I. S. Veríssimo
- CESAM, Department of Chemistry, University of Aveiro, Aveiro, Portugal
- *Correspondence: Marta I. S. Veríssimo, ; M. Teresa S. R. Gomes,
| | | | - M. Teresa S. R. Gomes
- CESAM, Department of Chemistry, University of Aveiro, Aveiro, Portugal
- *Correspondence: Marta I. S. Veríssimo, ; M. Teresa S. R. Gomes,
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Decorating MOF-74-derived nanocarbons with a sandwich-type polyoxometalate to enhance their OER activity: Exploring the underestimated bulk-deposition approach. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138719] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Abstract
Polyoxometalates (POMs) have been used for spectrophotometric determinations of silicon and phosphorus under acidic conditions, referred to as the molybdenum yellow method and molybdenum blue method, respectively. Many POMs are redox active and exhibit fascinating but complicated voltammetric responses. These compounds can reversibly accommodate and release many electrons without exhibiting structural changes, implying that POMs can function as excellent mediators and can be applied to sensitive determination methods based on catalytic electrochemical reactions. In addition, some rare-earth-metal-incorporated POMs exhibit fluorescence, which enables sensitive determination by the enhancement and quenching of fluorescence intensities. In this review, various analytical applications of POMs are introduced, mainly focusing on papers published after 2000, except for the molybdenum yellow method and molybdenum blue method.
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Affiliation(s)
- Tadaharu Ueda
- Department of Marine Resource Science Faculty of Agriculture and Marine Science, Kochi University, Nankoku, 783-8502, Japan. .,Center for Advanced Marine Core Research, Kochi University, Nankoku, 783-8502, Japan.
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Sharifi M, Dianat S, Hosseinian A. Electrochemical investigation and amperometry determination iodate based on ionic liquid/polyoxotungstate/P-doped electrochemically reduced graphene oxide multi-component nanocomposite modified glassy carbon electrode. RSC Adv 2021; 11:8993-9007. [PMID: 35423408 PMCID: PMC8695343 DOI: 10.1039/d1ra00845e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 05/11/2021] [Accepted: 02/22/2021] [Indexed: 12/13/2022] Open
Abstract
A novel modified glassy carbon electrode (GCE) was successfully fabricated with a tetra-component nanocomposite consisting of (1,1′-(1,4-butanediyl)dipyridinium) ionic liquid (bdpy), SiW11O39Ni(H2O) (SiW11Ni) Keggin-type polyoxometalate (POM), and phosphorus-doped electrochemically reduced graphene oxide (P-ERGO) by electrodeposition technique. The (bdpy)SiW11Ni/GO hybrid nanocomposite was synthesized by a one-pot hydrothermal method and characterized by UV-vis absorption, Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) analysis, thermogravimetric-differential thermal analysis (TGA/DTA), and transmission electron microscopy (TEM). The morphology, electrochemical performance, and electrocatalysis activity of the nanocomposite modified glassy carbon electrode ((bdpy)SiW11Ni/P-ERGO/GCE) were analyzed by field emission scanning electron microscopy (FE-SEM) coupled with energy-dispersive X-ray spectroscopy (EDS), cyclic voltammetry (CV), square wave voltammetry (SWV), and amperometry, respectively. Under the optimum experimental conditions, the as-prepared sensor showed high sensitivity of 28.1 μA mM−1 and good selectivity for iodate (IO3−) reduction, enabling the detection of IO3− within a linear range of 10–1600 μmol L−1 (R2 = 0.9999) with a limit of detection (LOD) of 0.47 nmol L−1 (S/N = 3). The proposed electrochemical sensor exhibited good reproducibility, and repeatability, high stability, and excellent anti-interference ability, as well as analytical performance in mineral water, tap water, and commercial edible iodized salt which might provide a capable platform for the determination of IO3−. Constructing a sensitive electrochemical sensor based on (bdpy)SiW11Ni/P-ERGO/GCE for IO3− detection at the nanomolar level with noticeable selectivity.![]()
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Affiliation(s)
- Minoo Sharifi
- Department of Chemistry
- Faculty of Sciences
- University of Hormozgan
- Bandar Abbas 79161-93145
- Iran
| | - Somayeh Dianat
- Department of Chemistry
- Faculty of Sciences
- University of Hormozgan
- Bandar Abbas 79161-93145
- Iran
| | - Amin Hosseinian
- Department of Chemistry
- Faculty of Sciences
- University of Hormozgan
- Bandar Abbas 79161-93145
- Iran
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Annu, Raja AN. Recent development in chitosan-based electrochemical sensors and its sensing application. Int J Biol Macromol 2020; 164:4231-4244. [DOI: 10.1016/j.ijbiomac.2020.09.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/12/2022]
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Wang D, Liu L, Jiang J, Chen L, Zhao J. Polyoxometalate-based composite materials in electrochemistry: state-of-the-art progress and future outlook. NANOSCALE 2020; 12:5705-5718. [PMID: 32104820 DOI: 10.1039/c9nr10573e] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Polyoxometalates (POMs) have been developed as a class of promising smart material candidates not only due to their multitudinous architectures but also their good redox activities and outstanding electron and proton transport capacities. Recently, abundant studies on POMs composited with metal nanoparticles (NPs), carbon materials (e.g., carbon nanotubes (CNTs), carbon quantum dots (CQDs), graphene), and conducting polymers or highly-porous framework materials (e.g., MOFs, ZIFs) have been performed and POM-based composite materials (PCMs) undoubtedly show enhanced stability and improved electrochemical performances. Therefore, POMs and PCMs are of increasing interest in electrocatalysis, electrochemical detection and energy-related fields (such as fuel cells, redox flow batteries and so on), thus, developing novel PCMs has long been the key research topic in POM chemistry. This review mainly summarizes some representative advances in PCMs with electrochemical applications in the past ten years, expecting to provide some useful guidance for future research.
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Affiliation(s)
- Dan Wang
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China.
| | - Lulu Liu
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China.
| | - Jun Jiang
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China.
| | - Lijuan Chen
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China.
| | - Junwei Zhao
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China.
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Roushani M, Rahmati Z, Dizajdizi BZ. Fabrication of novel metanil yellow/multi wall carbon nanotubes-chitosan/modified glassy carbon electrode and its application for sensitive determination of persulfate. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113192] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Rezvani MA, Maleki Z. Facile synthesis of inorganic–organic Fe
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@NiO@CTS hybrid nanocatalyst induced efficient performance in oxidative desulfurization of real fuel. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4895] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Zeynab Maleki
- Department of Chemistry, Faculty of ScienceUniversity of Zanjan Zanjan Iran
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14
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Nanocomposites of graphene and graphene oxides: Synthesis, molecular functionalization and application in electrochemical sensors and biosensors. A review. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-2007-0] [Citation(s) in RCA: 181] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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15
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Zhang L, Ning L, Li S, Pang H, Zhang Z, Ma H, Yan H. Selective electrochemical detection of dopamine in the presence of uric acid and ascorbic acid based on a composite film modified electrode. RSC Adv 2016. [DOI: 10.1039/c6ra09819c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
An electrochemical dopamine sensor based on vanadium-substituted polyoxometalates, copper oxide and chitosan–palladium was fabricated by the LBL technique.
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Affiliation(s)
- Li Zhang
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Li Ning
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Shaobin Li
- College of Materials Science and Engineering
- Qiqihar University
- Qiqihar
- China
| | - Haijun Pang
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Zhuanfang Zhang
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Huiyuan Ma
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Hong Yan
- Key Laboratory of Green Chemical Engineering and Technology of College of Heilongjiang Province
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
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