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Li B, Xie X, Meng T, Guo X, Li Q, Yang Y, Jin H, Jin C, Meng X, Pang H. Recent advance of nanomaterials modified electrochemical sensors in the detection of heavy metal ions in food and water. Food Chem 2024; 440:138213. [PMID: 38134834 DOI: 10.1016/j.foodchem.2023.138213] [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: 06/23/2023] [Revised: 12/10/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023]
Abstract
As one of the main pollutants, heavy metal ions can accumulate in the human body and cause a cascade of damage. Electrochemical sensors provide great prospects for tracing heavy metal ions because of their properties of high sensitivity, low detection limits and fast response. Electrode surface modification materials play a key role in enhancing the performance of electrochemical sensors. Herein, we summarize in detail the recent work on electrochemical sensors modified by carbon nanomaterials (graphene and its derivatives, carbon nanofibers and carbon nanotubes), metal nanomaterials (gold, silver, bismuth and iron), complexes (MOFs, ZIFs and MXenes) and their composites for the detection of heavy metal ions (mainly include Cd(II), Hg(II), Pb(II), As(III), Cu(II) and Zn(II)) in food and water. The synthetic strategies, mechanisms, innovations, advantages, challenges and prospects of various electrode modification nanomaterials for the detection of heavy metal ions in food and water are discussed.
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Affiliation(s)
- Bing Li
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China; College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, PR China.
| | - Xiaomei Xie
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Tonghui Meng
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Xiaotian Guo
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Qingzheng Li
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Yuting Yang
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Haixia Jin
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China
| | - Changhai Jin
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, PR China
| | - Xiangren Meng
- College of Tourism and Culinary Science, Yangzhou University, Jiangsu 225127, PR China.
| | - Huan Pang
- College of Chemistry and Chemical Engineering, Yangzhou University, Jiangsu, 225002, PR China.
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Yomthiangthae P, Del Valle M, Siangproh W. Modification of bismuth film and poly(L-hydroxyproline) onto a screen-printed graphene electrode: A step towards a non-enzymatic platform for determining L-hydroxyproline in human urine samples. Talanta 2024; 267:125250. [PMID: 37783109 DOI: 10.1016/j.talanta.2023.125250] [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: 05/23/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/04/2023]
Abstract
A novel sensing material for L-hydroxyproline (Hyp) detection was developed by synthesizing a bismuth film (BiF) and poly(L-hydroxyproline) (Poly(Hyp)) on a screen-printed graphene electrode (SPGE). Initially, the BiF electrodeposition was produced on the SPGE surface, followed by the Poly(Hyp) electropolymerization, resulting in the obtained Poly(Hyp)/BiF/SPGE. The morphology of a sponge-like thin film of Poly(Hyp)/BiF on SPGE had uniform nanometer-sized cavities on the graphene surface, offering a large electroactive area for interaction with the target substance. Cyclic and differential pulse voltammetry was used to examine the sensing performance of the proposed sensor, which revealed that the Poly(Hyp)/BiF/SPGE had the highest response toward Hyp detection. This was attributed to BiF and Poly(Hyp) can facilitate the transfer of electrons at an electrode/solution interface, resulting in an effective sensor for the detection of Hyp. Under the optimal conditions, the quantification of the proposed sensor was found to be linearly related to Hyp concentrations in the range of 0.01-5.0 mM with a limit of detection of 9.2 μM. Moreover, the interference of other substances detected in biological fluids showed no effect based on the ±5% error, indicating good selectivity for Hyp detection. In real applications, the proposed assay successfully analyzed Hyp in human urine samples, yielding satisfactory results with recoveries in the acceptable range of 98%-102%. Therefore, this facilely synthesized approach could be a suitable candidate to obtain a material to fabricate a new sensor for the measurement of Hyp, an important biomarker in the human body.
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Affiliation(s)
- Phanumas Yomthiangthae
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Wattana, Bangkok, 10110, Thailand
| | - Manel Del Valle
- Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Weena Siangproh
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Wattana, Bangkok, 10110, Thailand.
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Xhanari K, Finšgar M. Recent advances in the modification of electrodes for trace metal analysis: a review. Analyst 2023; 148:5805-5821. [PMID: 37697964 DOI: 10.1039/d3an01252b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
This review paper summarizes the research published in the last five years on using different compounds and/or materials as modifiers for electrodes employed in trace heavy metal analysis. The main groups of modifiers are identified, and their single or combined application on the surface of the electrodes is discussed. Nanomaterials, film-forming substances, and polymers are among the most used compounds employed mainly in the modification of glassy carbon, screen-printed, and carbon paste electrodes. Composites composed of several compounds and/or materials have also found growing interest in the development of modified electrodes. Environmentally friendly substances and natural products (mainly biopolymers and plant extracts) have continued to be included in the modification of electrodes for trace heavy metal analysis. The main analytical performance parameters of the modified electrodes as well as possible interferences affecting the determination of the target analytes, are discussed. Finally, a critical evaluation of the main findings from these studies and an outlook discussing possible improvements in this area of research are presented.
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Affiliation(s)
- Klodian Xhanari
- University of Maribor, Faculty of Chemistry and Chemical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
- University of Tirana, Faculty of Natural Sciences, Boulevard "Zogu I", 1001 Tirana, Albania
| | - Matjaž Finšgar
- University of Maribor, Faculty of Chemistry and Chemical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
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Inobeme A, Mathew JT, Jatto E, Inobeme J, Adetunji CO, Muniratu M, Onyeachu BI, Adekoya MA, Ajai AI, Mann A, Olori E, Akhor SO, Eziukwu CA, Kelani T, Omali PI. Recent advances in instrumental techniques for heavy metal quantification. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:452. [PMID: 36892610 DOI: 10.1007/s10661-023-11058-3] [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: 10/31/2022] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Heavy metals (HMs) are ubiquitous; they are found in soil, water, air, and all biological matrices. The toxicity, bioaccumulation potential, and deleterious effects of most of these metals on humans and the environment have been widely documented. Consequently, the detection and quantification of HMs in various environmental samples have become a pressing issue. The analysis of the concentrations of HMs is a vital component of environmental monitoring; hence, the selection of the most suitable analytical technique for their determination has become a topic of great interest in food, environment, and human health safety. Analytical techniques for the quantification of these metals have evolved. Presently, a broad range of HM analytical techniques are available with each having its outstanding merits as well as limitations. Most analytical scientists, therefore, adopt complementation of more than one method, with the choice influenced by the specific metal of interest, desired limits of detection and quantification, nature of the interference, level of sensitivity, and precision among others. Sequel to the above, this work comprehensively reviews the most recent advances in instrumental techniques for the determination of HMs. It gives a general overview of the concept of HMs, their sources, and why their accurate quantification is pertinent. It highlights various conventional and more advanced techniques for HM determination, and as one of its kind, it also gives special attention to the specific merits and demerits of the analytical techniques. Finally, it presents the most recent studies in this regard.
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Affiliation(s)
- Abel Inobeme
- Department of Chemistry, Edo State University Uzairue, Edo State, Nigeria.
| | - John Tsado Mathew
- Department of Chemistry, Ibrahim Badamasi Babangida University Lapai, Lapai, Nigeria
| | - Ejeomo Jatto
- Department of Chemistry, Ambrose Alli University Ekpoma, Ekpoma, Nigeria
| | - Jonathan Inobeme
- Department of Geography, Ahmadu Bello University Zaria, Zaria, Nigeria
| | - Charles Oluwaseun Adetunji
- Applied Microbiology, Biotechnology and Nanotechnology Laboratory, Department of Microbiology, Edo State University Uzairue, Edo State, Nigeria
| | - Maliki Muniratu
- Department of Chemistry, Edo State University Uzairue, Edo State, Nigeria
| | | | | | | | - Abdullahi Mann
- Department of Chemistry, Federal University of Technology Minna, Minna, Nigeria
| | - Eric Olori
- Department of Chemistry, Edo State University Uzairue, Edo State, Nigeria
| | - Sadiq Oshoke Akhor
- Department of Accounting, Edo State University Uzairue, Edo State, Nigeria
| | | | - Tawakalit Kelani
- Department of Chemistry, Edo State University Uzairue, Edo State, Nigeria
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Application of the nanostructured R-AgLAFE electrode to study the electroreduction process of Bi(III) ions in the presence of N-acetylcysteine. APPLIED NANOSCIENCE 2023. [DOI: 10.1007/s13204-023-02778-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
AbstractBi(III) ions electroreduction in the presence of N-acetylcysteine (ACYS)at the nanostructured R-AgLAFE electrode has been studied by the voltammetric and impedance measurements. The experimental data indicates the multistage character of the electrode process and the catalytic influence of N-acetylcysteine on the Bi(III) ions electroreduction rate. It was found that this process is controlled by the chemical reaction of the Bi(III)–Hg(SR)2 activecomplexes formation on the electrode surface, which mediates electron transfer. Active complexes are a substrate in the process of electroreduction, and their different structure and properties are the reason for the diverse catalytic activity of N-acetylcysteine.
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Majer D, Finšgar M. An l-cysteic acid-modified screen-printed carbon electrode for methyl parathion determination. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Magallanes C, De Leo LPM, González GA. Chelating and construction effects on a self‐assembled blend for electrochemical lead (II) detection. ChemElectroChem 2022. [DOI: 10.1002/celc.202200437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Celeste Magallanes
- University of Buenos Aires: Universidad de Buenos Aires Instituto de Química Física de los Materiales, Medio ambiente y Energía (INQUIMAE – CONICET). Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires ARGENTINA
| | - Lucila Paula Méndez De Leo
- University of Buenos Aires: Universidad de Buenos Aires Instituto de Química Física de los Materiales, Medio ambiente y Energía (INQUIMAE – CONICET). Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires ARGENTINA
| | - Graciela Alicia González
- University of Buenos Aires: Universidad de Buenos Aires Química Inorgánica, Analítica y Química Física Pabellón 2, Ciudad Universitaria C1428EHA Buenos Aires ARGENTINA
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A sensitive electrochemical analysis for cadmium and lead based on Nafion-Bismuth film in a water sample. SENSING AND BIO-SENSING RESEARCH 2021. [DOI: 10.1016/j.sbsr.2021.100454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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9
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Jin Mei C, Ainliah Alang Ahmad S. A review on the determination heavy metals ions using calixarene-based electrochemical sensors. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103303] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Batool M, Nazar MF, Awan A, Tahir MB, Rahdar A, Shalan AE, Lanceros-Méndez S, Zafar MN. Bismuth-based heterojunction nanocomposites for photocatalysis and heavy metal detection applications. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.nanoso.2021.100762] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Hou J, Fan Y, Ma X, Dong X, Yao S. Effects of modified fly ash doped carbon paste electrodes and metal film electrodes on the determination of trace cadmium(ii) by anodic stripping voltammetry. RSC Adv 2021; 11:17240-17248. [PMID: 35479702 PMCID: PMC9032926 DOI: 10.1039/d0ra07493d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 04/11/2021] [Indexed: 11/21/2022] Open
Abstract
Fly ash, as waste from coal combustion, has been effectively modified to improve its adsorption to remove toxic metals, and modified fly ash could be used for electrode modification to improve the sensitivity of the electrode. In this paper, a modified fly ash doped carbon paste electrode for the detection of trace cadmium was first and successfully developed. Several parameters affecting the anodic stripping voltammetric response of Cd(ii) were optimized, such as the composition of the paste, pH of the measurement solution, the concentration of Sb(iii) (or Sb(iii) and Bi(iii)), deposition potential and deposition time. Compared with Sb/MFA-CPE, the square wave anodic stripping voltammetry (SWASV) response of Cd(ii) at Sb/MMFA-CPE had a higher linear range and lower sensitivity. Relative to MFA, MMFA-CPE, due to the introduction of CTAB, provided a larger effective area for interacting with analytes, more binding sites and further facilitating electron transfer at the electrode, and amplified the electrochemical signal. Compared with Sb/MMFA-CPE, the SWASV response of Cd(ii) at Sb-Bi/MMFA-CPE had a higher linear range and similar sensitivity, since mechanisms at bismuth and antimony film electrodes were different. Besides, the electrode reactions of Cd(ii) at bismuth film electrodes involved adsorption phenomena while they were free of adsorption at antimony film electrodes.
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Affiliation(s)
- Jinying Hou
- College of Mining Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Yuping Fan
- College of Mining Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Xiaomin Ma
- College of Mining Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Xianshu Dong
- College of Mining Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Suling Yao
- College of Mining Engineering, Taiyuan University of Technology Taiyuan 030024 China
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McLaughlin MHS, Pakpour-Tabrizi AC, Jackman RB. A detailed EIS study of boron doped diamond electrodes decorated with gold nanoparticles for high sensitivity mercury detection. Sci Rep 2021; 11:9505. [PMID: 33947929 PMCID: PMC8096807 DOI: 10.1038/s41598-021-89045-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/20/2021] [Indexed: 12/02/2022] Open
Abstract
This work compares the electrochemical impedance response of polished and unpolished boron doped diamond (BDD) electrodes, during mercury detection measurements. For each substrate type both bare electrodes and electrodes decorated with average diameter 30 nm AuNPs were used, to investigate the role of AuNPs during mercury sensing with diamond electrodes. In square wave anodic stripping voltammetry (SWASV) measurements for mercury detection, the mercury ions in the electrolyte are deposited onto, then stripped from the diamond electrode surface. To investigate the different electrode performances during these steps, the EIS measurements were made at the deposition and stripping potentials, alongside scans at open circuit potential for comparison. The performance of the electrodes is assessed in terms of their electron transfer rate (k0). The electrodes decorated with AuNPs are shown to have lower capacitance and higher reactivity than the bare pBDD and BDD electrodes, until the mercury concentration in the electrolyte is < 500 µM, when the sp2/sp3 carbon ratio at the surface of the electrodes has a greater influence on the sensitivity for mercury detection than the presence of AuNPs.
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Affiliation(s)
- Maeve H S McLaughlin
- London Centre for Nanotechnology and the Department of Electronic and Electrical Engineering, University College London (UCL), 17-19 Gordon Street, London, WC1H 0AH, UK
| | - Alexander C Pakpour-Tabrizi
- London Centre for Nanotechnology and the Department of Electronic and Electrical Engineering, University College London (UCL), 17-19 Gordon Street, London, WC1H 0AH, UK
| | - Richard B Jackman
- London Centre for Nanotechnology and the Department of Electronic and Electrical Engineering, University College London (UCL), 17-19 Gordon Street, London, WC1H 0AH, UK.
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13
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Porfireva A, Plastinina K, Evtugyn V, Kuzin Y, Evtugyn G. Electrochemical DNA Sensor Based on Poly(Azure A) Obtained from the Buffer Saturated with Chloroform. SENSORS 2021; 21:s21092949. [PMID: 33922359 PMCID: PMC8122775 DOI: 10.3390/s21092949] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/17/2021] [Accepted: 04/21/2021] [Indexed: 01/09/2023]
Abstract
Electropolymerized redox polymers offer broad opportunities in detection of biospecific interactions of DNA. In this work, Azure A was electrochemically polymerized by multiple cycling of the potential in phosphate buffer saturated with chloroform and applied for discrimination of the DNA damage. The influence of organic solvent on electrochemical properties of the coating was quantified and conditions for implementation of DNA in the growing polymer film were assessed using cyclic voltammetry, quartz crystal microbalance, and electrochemical impedance spectroscopy. As shown, both chloroform and DNA affected the morphology of the polymer surface and electropolymerization efficiency. The electrochemical DNA sensor developed made it possible to distinguish native and thermally and chemically damaged DNA by changes in the charge transfer resistance and capacitance.
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Affiliation(s)
- Anna Porfireva
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (A.P.); (K.P.); (Y.K.)
| | - Kseniya Plastinina
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (A.P.); (K.P.); (Y.K.)
| | - Vladimir Evtugyn
- Interdisciplinary Center of Analytical Microscopy of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia;
| | - Yurii Kuzin
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (A.P.); (K.P.); (Y.K.)
| | - Gennady Evtugyn
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (A.P.); (K.P.); (Y.K.)
- Analytical Chemistry Department of Chemical Technology Institute of Ural Federal University, 19 Mira Street, 620002 Ekaterinburg, Russia
- Correspondence:
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14
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Pei Y, McLeod JF, Payne SJ, She Z. A Comparative Study of Electroanalytical Methods for Detecting Manganese in Drinking Water Distribution Systems. Electrocatalysis (N Y) 2021. [DOI: 10.1007/s12678-020-00639-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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15
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Zahariev A, Tzaneva B, Kaloyanov N, Marcheva Y, Parvanova V, Girginov C. Electrochemical synthesis of a new Bi( iii) complex by anodic oxidation of Bi in an aqueous solution of 4-toluenesulfonic acid. NEW J CHEM 2021. [DOI: 10.1039/d1nj01804c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new complex with a composition [Bi6O4(OH)4](C7H7SO3)6 is formed on a bismuth plate via electrochemical synthesis at 1.0 V anodic polarization in 0.5 M p-toluenesulfonic acid.
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Affiliation(s)
- Alexander Zahariev
- Technical University of Sofia
- 8 St. Kliment Ohridski blvd
- Sofia 1000
- Bulgaria
| | - Boriana Tzaneva
- Technical University of Sofia
- 8 St. Kliment Ohridski blvd
- Sofia 1000
- Bulgaria
| | - Nikolay Kaloyanov
- University of Chemical Technology and Metallurgy
- 8 St. Kliment Ohridski blvd
- Sofia 1756
- Bulgaria
| | - Yordanka Marcheva
- Technical University of Sofia
- 8 St. Kliment Ohridski blvd
- Sofia 1000
- Bulgaria
| | - Veneta Parvanova
- University of Chemical Technology and Metallurgy
- 8 St. Kliment Ohridski blvd
- Sofia 1756
- Bulgaria
| | - Christian Girginov
- University of Chemical Technology and Metallurgy
- 8 St. Kliment Ohridski blvd
- Sofia 1756
- Bulgaria
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16
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Arnot DJ, Lambert TN. Bismuth Detection in Alkaline Electrolyte via Anodic Stripping Voltammetry for Battery Separator Evaluation. ELECTROANAL 2020. [DOI: 10.1002/elan.202060412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- David J. Arnot
- Sandia National Laboratories Albuquerque NM 87185-0734 USA
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18
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Yu L, Cui X, Li H, Lu J, Kang Q, Shen D. A ratiometric electrochemical sensor for multiplex detection of cancer biomarkers using bismuth as an internal reference and metal sulfide nanoparticles as signal tags. Analyst 2019; 144:4073-4080. [PMID: 31165805 DOI: 10.1039/c9an00775j] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ratiometric electrochemical sensors can provide a relatively accurate analysis of target analytes due to their self-calibration function. Herein, we report a simple ratiometric strategy for achieving the electrochemical detection of Cd(ii), Hg(ii), Pb(ii) and Zn(ii), as well as multiple cancer biomarkers by using metal sulfide nanoparticles as signal tags. A conductive polymer film of poly(2-amino terephthalic acid) (ATA) was electrochemically produced on a glassy carbon electrode (GCE) and doped with carbon nanotubes (CNTs) and mercaptosuccinic acid (MSA). Using Bi(iii) as an enhancer and internal reference in anodic stripping voltammetry, the MSA-CNT-ATA/GCE exhibited sensitive and distinguishable voltammetric responses to Cd(ii), Hg(ii), Pb(ii) and Zn(ii), with detection limits of 0.13, 0.49, 0.16 and 0.089 μg L-1, respectively. By using CdS, HgS, PbS and ZnS labeled secondary antibodies as the signal tags, alpha-fetoprotein, carbohydrate antigen 19-9, carbohydrate antigen 125, and carcinoembryonic antigen were determined simultaneously according to the amounts of metal sulfide in the sandwich-type complexes, with detection limits of 0.11 pg mL-1, 0.68 mU mL-1, 1.4 mU mL-1 and 0.23 pg mL-1, respectively. This ratiometric approach has a wide scope in the electrochemical detection of heavy metal ions as well as immunoassays with metal ions serving as signal tags.
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Affiliation(s)
- Lei Yu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of MoleCular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, P. R. China.
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19
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Copper-film electrodes for Pb(II) trace analysis and a detailed electrochemical impedance spectroscopy study. Microchem J 2019. [DOI: 10.1016/j.microc.2019.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Direct self-assembly of CuHCF-PPy nanocomposites on rGO for amperometric nicotine sensing at high concentration range. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.02.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Finšgar M, Majer D, Maver U, Maver T. Reusability of SPE and Sb-modified SPE Sensors for Trace Pb(II) Determination. SENSORS (BASEL, SWITZERLAND) 2018; 18:E3976. [PMID: 30445794 PMCID: PMC6263962 DOI: 10.3390/s18113976] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/08/2018] [Accepted: 11/12/2018] [Indexed: 01/13/2023]
Abstract
In this work, unmodified screen-printed electrode (bare SPE) and Sb-film modified SPE (SbFSPE) sensors were employed for the analysis of trace amounts of Pb(II) in non-deaerated water solutions. The modified electrode was performed in situ in 0.5 mg/L Sb(III) and 0.01 M HCl. The methodology was validated for an accumulation potential of ⁻1.1 V vs. Ag/AgCl and an accumulation time of 60 s. A comparative analysis of bare SPE and SbFSPE showed that the detection and quantification limits decrease for the bare SPE. The method with the bare SPE showed a linear response in the 69.8⁻368.4 µg/L concentration range, whereas linearity for the SbFSPE was in the 24.0⁻319.1 µg/L concentration range. This work also reports the reason why the multiple standard addition method instead of a linear calibration curve for Pb(II) analysis should be employed. Furthermore, the analytical method employing SbFSPE was found to be more accurate and precise compared to the use of bare SPE when sensors were employed for the first time, however this performance changed significantly when these sensors were reused in the same manner. Furthermore, electrochemical impedance spectroscopy was used for the first time to analyse the electrochemical response of sensors after being used for multiple successive analyses. Surface characterisation before and after multiple successive uses of bare SPE and SbFSPE sensors, with atomic force microscopy and field emission scanning electron microscopy, showed sensor degradation. The interference effect of Cd(II), Zn(II), As(III), Fe(II), Na(I), K(I), Ca(II), Mg(II), NO₃⁻, Bi(III), Cu(II), Sn(II), and Hg(II) on the Pb(II) stripping signal was also studied. Finally, the application of SbFSPE was tested on a real water sample (from a local river), which showed high precision (RSD = 8.1%, n = 5) and accurate results.
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Affiliation(s)
- Matjaž Finšgar
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - David Majer
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Uroš Maver
- Faculty of Medicine, Institute of Biomedical Sciences, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia.
| | - Tina Maver
- Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia.
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Xiao ZL, Tian W, Xu ZL, Sun YM. Development of a chemiluminescent enzyme immunoassay to detect cadmium in cereal samples. FOOD AGR IMMUNOL 2018. [DOI: 10.1080/09540105.2018.1527295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Affiliation(s)
- Zhi-Li Xiao
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Wei Tian
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Zhen-Lin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou, People’s Republic of China
| | - Yuan-Ming Sun
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou, People’s Republic of China
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24
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Finšgar M, Petovar B. Novel in situ
Bi−Sb-Film Electrodes for Trace Heavy Metal Analysis. ELECTROANAL 2018. [DOI: 10.1002/elan.201800545] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Matjaž Finšgar
- University of Maribor; Faculty of Chemistry and Chemical Engineering; Smetanova ulica 17 2000 Maribor Slovenia
| | - Barbara Petovar
- University of Maribor; Faculty of Chemistry and Chemical Engineering; Smetanova ulica 17 2000 Maribor Slovenia
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