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Bi HX, Zhang XJ, He JY, Liu YQ, Ma YY, Han ZG. Phosphomolybdates for Dual-Mode Photoelectrochemical Sensing toward Trace Chromium(VI) and Tetracycline. Inorg Chem 2024; 63:16768-16779. [PMID: 39190887 DOI: 10.1021/acs.inorgchem.4c02363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Highly sensitive photoelectrochemical (PEC) sensors for trace carcinogens, such as heavy metal chromium(VI) [Cr(VI)] and antibiotic tetracycline (TC) are crucial. Herein, by integration of photoactive and redox phosphomolybdates with conjugated organic components, types of dual-mode PEC sensors were synthesized for sensing trace Cr(VI) and TC pollutants, with formulas of (H2bimb)2[Co2(bimb)1.5][Co(H2O)4][Co(P4Mo6O31H6)2]·6H2O (1), (H2bib)2[Co(H2O)3][Co2(H2O)5][Co(P4Mo6O31H6)2]·9H2O (2), and (H2bib)6[Co(Hbib)2(H2O)5][Co(P4Mo6O31H7)2]2·15H2O (3), where bimb represents 1,4-bis(1-imidazolyl)benzene and bib is 4,4'-bis(imidazolyl)bibphenyl. Hybrid 1 consisted of a three-dimensional framework structure constructed by Co{P4Mo6}2 clusters and one-dimensional (1D) {Co-bimb} chains, hybrid 2 exhibited 1D Co ion-bridged Co{P4Mo6}2 chains hydrogen-bonding with [H2bib]2+ cations, and hybrid 3 showed a discrete hybrid structure built upon a Co{P4Mo6}2 cluster modified by the {Co-bib} unit. Hybrids 1-3 displayed wide spectral absorption and excellent electrochemical redox properties, enabling dual-mode PEC responses to Cr(VI) reduction and TC oxidation. For Cr(VI) detection, hybrids 1-3 exhibited high sensitivities of 364.40, 225.72, and 124.29 μA·μM-1 as well as "nM" level detection limits (LODs) of 4.9, 10.0, and 11.0 nM, respectively. For TC detection, the sensitivities of hybrids 1-3 were 494.72, 308.78, and 174.03 μA·μM-1 and the LODs were 5.2, 6.1, and 12.9 nM, respectively. This research offers significant insights into designing efficient PEC sensors for the detection of environmental pollutants.
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Affiliation(s)
- Hao-Xue Bi
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Xiu-Juan Zhang
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Jing-Yan He
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Yu-Qing Liu
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Yuan-Yuan Ma
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Zhan-Gang Han
- Hebei Technology Innovation Center for Energy Conversion Materials and Devices, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
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Lu C, Tang Z, Wang D, Chen L, Zhao J. Advances in polyoxometalate-based electrochemical sensors in the last three years. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:5133-5145. [PMID: 39007918 DOI: 10.1039/d4ay01090f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
As a famous subclass of metal-oxide cluster materials, polyoxometalates (POMs) feature variable architectures, reversible multi-electron transport capability, catalytic activity, and redox capacity. These attributes endow POMs with great potential as promising electrode materials in electrochemical sensors (ECSs). Up to now, POM-based ECSs have been passionately studied, and diverse POM-based redox ECSs, aptasensors and immunosensors have emerged. And these POM-based ECSs generally demonstrate fast response, low detection limit, strong selectivity and high antijamming capability. This review mainly focuses on the remarkable advancement of POM-based ECSs in environmental monitoring, food safety and biomedicine from 2021, aiming to furnish theoretical insights that inform the design and development of innovative sensors.
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Affiliation(s)
- Changyuan Lu
- School of Environmental Engineering, Yellow River Conservancy Technical Institute, Kaifeng 475004, China
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Zhigang Tang
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Dan Wang
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Lijuan Chen
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Junwei Zhao
- Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
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He JY, Bi HX, Liu YQ, Guo MS, An WT, Ma YY, Han ZG. Bridging Component Strategy in Phosphomolybdate-Based Sensors for Electrochemical Determination of Trace Cr(VI). Inorg Chem 2024; 63:842-851. [PMID: 38100035 DOI: 10.1021/acs.inorgchem.3c03841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Rapid and sensitive electrochemical determination of trace carcinogenic Cr(VI) pollutants remains an urgent and important task, which requires the development of active sensing materials. Herein, four cases of reduced phosphomolybdates with formulas of the (H2bib)3[Zn(H2PO4)]2{Mn[P4Mo6O31H7]2}·6H2O (1), (H2bib)2[Na(H2O)]2[Mn(H2O)]2{Mn[P4Mo6O31H6]2}·5H2O (2), (H2bib)3[Mo2(μ2-O)2(H2O)4]2{Ni[P4Mo6O31H2]2}·4H2O (3), and (H2bib)2{Ni[P4Mo6O31H9]2}·9H2O (4) (bib = 4,4'-bis(1-imidazolyl)-biphenyl) were hydrothermally synthesized under the guidance of a bridging component strategy, which function as effective electrochemical sensors to detect trace Cr(VI). The difference of hybrids 1-4 is in the inorganic moiety, in which the reduced phosphomolybdates {M[P4MoV6O31]2} (M{P4Mo6}2) exhibited different arrangements bridged by different cationic components ({Zn(H2PO4)} subunit for 1, [Mn2(H2O)2]4+ dimer for 2, and [MoV2(μ2-O)2(H2O)4]6+ for 3). As a result, hybrids 1 and 3 display noticeable Cr(VI) detection activity with low detection limits of 14.3 nM (1.48 ppb) for 1 and 6.61 nM (0.69 ppb) for 3 and high sensitivities of 97.3 and 95.3 μA·mM-1, respectively, which are much beyond the World Health Organization's detection threshold (0.05 ppm) and superior to those of the contrast samples (inorganic Mn{P4Mo6}2 salt and hybrid 4), even the most reported noble-metal catalysts. This work supplies a prospective pathway to build effective electrochemical sensors based on phosphomolybdates for environmental pollutant treatment.
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Affiliation(s)
- Jing-Yan He
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Hao-Xue Bi
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Yu-Qing Liu
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Meng-Si Guo
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Wen-Ting An
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Yuan-Yuan Ma
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
| | - Zhan-Gang Han
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, People's Republic of China
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Azzouz A, Hejji L, Kumar V, Kim KH. Nanomaterials-based aptasensors: An efficient detection tool for heavy-metal and metalloid ions in environmental and biological samples. ENVIRONMENTAL RESEARCH 2023; 238:117170. [PMID: 37722582 DOI: 10.1016/j.envres.2023.117170] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 09/01/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
In light of potential risks of heavy metal exposure, diverse aptasensors have been developed through the combination of aptamers with nanomaterials for the timely and efficient detection of metals in environmental and biological matrices. Aptamer-based sensors can benefit from multiple merits such as heightened sensitivity, facile production, uncomplicated operation, exceptional specificity, enhanced stability, low immunogenicity, and cost-effectiveness. This review highlights the detection capabilities of nanomaterial-based aptasensors for heavy-metal and metalloid ions based on their performance in terms of the basic quality assurance parameters (e.g., limit of detection, linear dynamic range, and response time). Out of covered studies, dendrimer/CdTe@CdS QDs-based ECL aptasensor was found as the most sensitive option with an LOD of 2.0 aM (atto-molar: 10-18 M) detection for Hg2+. The existing challenges in the nanomaterial-based aptasensors and their scientific solutions are also discussed.
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Affiliation(s)
- Abdelmonaim Azzouz
- Department of Chemistry, Faculty of Science, University of Abdelmalek Essaadi, B.P. 2121, M'Hannech II, 93002, Tetouan, Morocco
| | - Lamia Hejji
- Department of Chemistry, Faculty of Science, University of Abdelmalek Essaadi, B.P. 2121, M'Hannech II, 93002, Tetouan, Morocco; Department of Chemical, Environmental, and Materials Engineering, Higher Polytechnic School of Linares, University of Jaén, Campus Científico-Tecnológico, Cinturón Sur S/n, 23700, Linares, Jaén, Spain
| | - Vanish Kumar
- National Agri-Food Biotechnology Institute (NABI), S.A.S. Nagar, Punjab, 140306, India
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea.
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Polyoxometalate-Encapsulated Metal-Organic Frameworks with Diverse Cages for the C–H Bond Oxidation of Alkylbenzenes. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 2023. [DOI: 10.1016/j.cjsc.2023.100011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Zhang SM, Wang Y, Ma YY, Li ZB, Du J, Han ZG. Three-Dimensional Silver-Containing Polyoxotungstate Frameworks for Photocatalytic Aerobic Oxidation of Benzyl Alcohol. Inorg Chem 2022; 61:20596-20607. [DOI: 10.1021/acs.inorgchem.2c03472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Si-Meng Zhang
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
| | - Yue Wang
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
| | - Yuan-Yuan Ma
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
| | - Zhao-Bin Li
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
| | - Jing Du
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
| | - Zhan-Gang Han
- Hebei Key Laboratory of Organic Functional Molecules, National Demonstration Center for Experimental Chemistry Education, Testing and Analysis Center, Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, Hebei, P. R. China
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