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Tyszczuk-Rotko K, Staniec K, Sztanke K, Sztanke M. First voltammetric analysis of two possible anticancer drug candidates using an unmodified glassy carbon electrode. Sci Rep 2024; 14:17306. [PMID: 39068200 PMCID: PMC11283526 DOI: 10.1038/s41598-024-68309-7] [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: 05/13/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024] Open
Abstract
Dimethyl 2-[2-(1-phenyl-4,5-dihydro-1H-imidazol-2-yl)hydrazinylidene]butanedioate (DIHB) and 8-(3-chlorophenyl)-2,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3,4-dione (HDIT) are promising candidates for anticancer agents, the first analytical procedures of which are presented in this paper. The commercially available unmodified glassy carbon electrode (GCE) was used as a sensor for the individual and simultaneous differential pulse voltammetric (DPV) determination of these possible anticancer drugs. The findings concerning the electrochemical behaviour indicated that DIHB and HDIT display at GCE, as a sensor, the oxidation peaks at 1.18 and 0.98 V, respectively (vs. Ag/AgCl, 3.0 mol L-1 KCl) in the 0.125 mol L-1 acetate buffer of pH = 4.5, which were employed for their quantification. Various experimental parameters were carefully investigated, to achieve high sensitivity in voltammetric measurements. Finally, under the optimised conditions (t of 60 s, ΔEA of 75 mV, ν of 225 mV s-1, and tm of 2 ms), the proposed DPV procedure with the GCE demonstrated broad linear sensing ranges (1-200 nmol L-1-DIHB and 5-200 nmol L-1-HDIT), boasting the detection limits of 0.18 nmol L-1 for DIHB and 1.1 nmol L-1 for HDIT. Moreover, the developed procedure was distinguished by good selectivity, repeatability of DIHB and HDIT signals and sensor reproducibility. The practical application of this method was demonstrated by analysing the urine reference material without any prior treatment. The results showed that this environmentally friendly approach, with a modification-free sensor, is suitable for the sensitive, selective and rapid quantification of DIHB and HDIT.
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Affiliation(s)
- Katarzyna Tyszczuk-Rotko
- Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Skłodowska University in Lublin, 20-031, Lublin, Poland
| | - Katarzyna Staniec
- Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Skłodowska University in Lublin, 20-031, Lublin, Poland
| | - Krzysztof Sztanke
- Laboratory of Bioorganic Compounds Synthesis and Analysis, Medical University of Lublin, 4A Chodźki Street, 20-093, Lublin, Poland
| | - Małgorzata Sztanke
- Department of Medical Chemistry, Medical University of Lublin, 4A Chodźki Street, 20-093, Lublin, Poland.
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Acosta-Santoyo G, Treviño-Reséndez J, Robles I, Godínez LA, García-Espinoza JD. A review on recent environmental electrochemistry approaches for the consolidation of a circular economy model. CHEMOSPHERE 2024; 346:140573. [PMID: 38303389 DOI: 10.1016/j.chemosphere.2023.140573] [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: 06/30/2023] [Revised: 10/02/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
Availability of raw materials in the chemical industry is related to the selection of the chemical processes in which they are used as well as to the efficiency, cost, and eventual evolution to more competitive dynamics of transformation technologies. In general terms however, any chemically transforming technology starts with the extraction, purification, design, manufacture, use, and disposal of materials. It is important to create a new paradigm towards green chemistry, sustainability, and circular economy in the chemical sciences that help to better employ, reuse, and recycle the materials used in every aspect of modern life. Electrochemistry is a growing field of knowledge that can help with these issues to reduce solid waste and the impact of chemical processes on the environment. Several electrochemical studies in the last decades have benefited the recovery of important chemical compounds and elements through electrodeposition, electrowinning, electrocoagulation, electrodialysis, and other processes. The use of living organisms and microorganisms using an electrochemical perspective (known as bioelectrochemistry), is also calling attention to "mining", through plants and microorganisms, essential chemical elements. New process design or the optimization of the current technologies is a major necessity to enhance production and minimize the use of raw materials along with less generation of wastes and secondary by-products. In this context, this contribution aims to show an up-to-date scenario of both environmental electrochemical and bioelectrochemical processes for the extraction, use, recovery and recycling of materials in a circular economy model.
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Affiliation(s)
- Gustavo Acosta-Santoyo
- Centro de Investigación en Química para la Economía Circular, CIQEC. Facultad de Química, Universidad Autónoma de Querétaro, Cerro de Las Campanas, SN, Querétaro, Querétaro, 76010, Mexico
| | - José Treviño-Reséndez
- Centro de Investigación en Química para la Economía Circular, CIQEC. Facultad de Química, Universidad Autónoma de Querétaro, Cerro de Las Campanas, SN, Querétaro, Querétaro, 76010, Mexico
| | - Irma Robles
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Querétaro, Sanfandila, 76703, Pedro Escobedo, Querétaro, Mexico
| | - Luis A Godínez
- Centro de Investigación en Química para la Economía Circular, CIQEC. Facultad de Química, Universidad Autónoma de Querétaro, Cerro de Las Campanas, SN, Querétaro, Querétaro, 76010, Mexico
| | - Josué D García-Espinoza
- Centro de Investigación en Química para la Economía Circular, CIQEC. Facultad de Química, Universidad Autónoma de Querétaro, Cerro de Las Campanas, SN, Querétaro, Querétaro, 76010, Mexico.
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Alnahdi HS, Mousa RMA, El‐Said WA. Development of Organochlorine Pesticide Electrochemical Sensor Based on Fe
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Nanoparticles@indium Tin Oxide Electrode. ELECTROANAL 2022. [DOI: 10.1002/elan.202100659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hanan S. Alnahdi
- University of Jeddah, College of Science, Department of Biochemistry P.O. 80327 Jeddah 21589 Saudi Arabia
| | - Rasha Mousa Ahmed Mousa
- University of Jeddah, College of Science, Department of Biochemistry P.O. 80327 Jeddah 21589 Saudi Arabia
| | - Waleed A. El‐Said
- University of Jeddah, College of Science, Department of Chemistry P.O. 80327 Jeddah 21589 Saudi Arabia
- Department of Chemistry Faculty of Science Assiut University Assiut 71516 Egypt
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Choińska M, Hrdlička V, Dejmková H, Fischer J, Míka L, Vaněčková E, Kolivoška V, Navrátil T. Applicability of Selected 3D Printing Materials in Electrochemistry. BIOSENSORS 2022; 12:bios12050308. [PMID: 35624610 PMCID: PMC9138249 DOI: 10.3390/bios12050308] [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: 04/11/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 05/06/2023]
Abstract
This manuscript investigates the chemical and structural stability of 3D printing materials (3DPMs) frequently used in electrochemistry. Four 3D printing materials were studied: Clear photopolymer, Elastic photopolymer, PET filament, and PLA filament. Their stability, solubility, structural changes, flexibility, hardness, and color changes were investigated after exposure to selected organic solvents and supporting electrolytes. Furthermore, the available potential windows and behavior of redox probes in selected supporting electrolytes were investigated before and after the exposure of the 3D-printed objects to the electrolytes at various working electrodes. Possible electrochemically active interferences with an origin from the 3DPMs were also monitored to provide a comprehensive outline for the use of 3DPMs in electrochemical platform manufacturing.
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Affiliation(s)
- Marta Choińska
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic; (M.C.); (V.H.); (E.V.); (V.K.)
- Department of Analytical Chemistry, Faculty of Science, Charles University, Albertov 6, 128 00 Prague, Czech Republic; (H.D.); (J.F.)
| | - Vojtěch Hrdlička
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic; (M.C.); (V.H.); (E.V.); (V.K.)
| | - Hana Dejmková
- Department of Analytical Chemistry, Faculty of Science, Charles University, Albertov 6, 128 00 Prague, Czech Republic; (H.D.); (J.F.)
| | - Jan Fischer
- Department of Analytical Chemistry, Faculty of Science, Charles University, Albertov 6, 128 00 Prague, Czech Republic; (H.D.); (J.F.)
| | - Luděk Míka
- Department of Chemistry Education, Faculty of Science, Charles University, Albertov 6, 128 00 Prague, Czech Republic;
| | - Eva Vaněčková
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic; (M.C.); (V.H.); (E.V.); (V.K.)
| | - Viliam Kolivoška
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic; (M.C.); (V.H.); (E.V.); (V.K.)
| | - Tomáš Navrátil
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 182 23 Prague, Czech Republic; (M.C.); (V.H.); (E.V.); (V.K.)
- Correspondence: ; Tel.: +420-266-051-111
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Matvieiev O, Šelešovská R, Vojs M, Marton M, Michniak P, Hrdlička V, Hatala M, Janíková L, Chýlková J, Skopalová J, Cankař P, Navrátil T. Novel Screen-Printed Sensor with Chemically Deposited Boron-Doped Diamond Electrode: Preparation, Characterization, and Application. BIOSENSORS 2022; 12:bios12040241. [PMID: 35448301 PMCID: PMC9027657 DOI: 10.3390/bios12040241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 05/27/2023]
Abstract
New screen-printed sensor with a boron-doped diamond working electrode (SP/BDDE) was fabricated using a large-area linear antenna microwave chemical deposition vapor system (LA-MWCVD) with a novel precursor composition. It combines the advantages of disposable printed sensors, such as tailored design, low cost, and easy mass production, with excellent electrochemical properties of BDDE, including a wide available potential window, low background currents, chemical resistance, and resistance to passivation. The newly prepared SP/BDDEs were characterized by scanning electron microscopy (SEM) and Raman spectroscopy. Their electrochemical properties were investigated by cyclic voltammetry and electrochemical impedance spectroscopy using inner sphere ([Fe(CN)6]4-/3-) and outer sphere ([Ru(NH3)6]2+/3+) redox probes. Moreover, the applicability of these new sensors was verified by analysis of the anti-inflammatory drug lornoxicam in model and pharmaceutical samples. Using optimized differential pulse voltammetry in Britton-Robinson buffer of pH 3, detection limits for lornoxicam were 9 × 10-8 mol L-1. The oxidation mechanism of lornoxicam was investigated using bulk electrolysis and online electrochemical cell with mass spectrometry; nine distinct reaction steps and corresponding products and intermediates were identified.
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Affiliation(s)
- Oleksandr Matvieiev
- Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic; (O.M.); (L.J.); (J.C.)
| | - Renáta Šelešovská
- Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic; (O.M.); (L.J.); (J.C.)
| | - Marian Vojs
- Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia; (M.V.); (M.M.); (P.M.)
| | - Marián Marton
- Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia; (M.V.); (M.M.); (P.M.)
| | - Pavol Michniak
- Institute of Electronics and Photonics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia; (M.V.); (M.M.); (P.M.)
| | - Vojtěch Hrdlička
- J. Heyrovsky Institute of Physical Chemistry of the Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague, Czech Republic;
| | - Michal Hatala
- Department of Graphic Arts Technology and Applied Photochemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovakia;
| | - Lenka Janíková
- Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic; (O.M.); (L.J.); (J.C.)
| | - Jaromíra Chýlková
- Institute of Environmental and Chemical Engineering, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic; (O.M.); (L.J.); (J.C.)
| | - Jana Skopalová
- Department of Analytical Chemistry, Faculty of Science, Palacký University in Olomouc, 17. listopadu 1192/12, 779 00 Olomouc, Czech Republic;
| | - Petr Cankař
- Department of Organic Chemistry, Faculty of Science, Palacký University in Olomouc, 17. listopadu 1192/12, 779 00 Olomouc, Czech Republic;
| | - Tomáš Navrátil
- J. Heyrovsky Institute of Physical Chemistry of the Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague, Czech Republic;
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Highly Sensitive Determination of Tenofovir in Pharmaceutical Formulations and Patients Urine—Comparative Electroanalytical Studies Using Different Sensing Methods. Molecules 2022; 27:molecules27061992. [PMID: 35335355 PMCID: PMC8949160 DOI: 10.3390/molecules27061992] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/11/2022] [Accepted: 03/16/2022] [Indexed: 02/01/2023] Open
Abstract
This paper discusses the electrochemical behavior of antiviral drug Tenofovir (TFV) and its possible applicability towards electroanalytical determination with diverse detection strategies using square-wave voltammetry. Namely, oxidation processes were investigated using glassy carbon electrode with graphene oxide surface modification (GO/GCE), while the reduction processes, related to the studied analyte, were analyzed at a renewable silver amalgam electrode (Hg(Ag)FE). Scanning electron microscopy imaging confirmed the successful deposition of GO at the electrode surface. Catalytic properties of graphene oxide were exposed while being compared with those of bare GCE. The resultant modification of GCE with GO enhanced the electroactive surface area by 50% in comparison to the bare one. At both electrodes, i.e., GO/GCE and Hg(Ag)FE, the TFV response was used to examine and optimize the influence of square-wave excitation parameters, i.e., square wave frequency, step potential and amplitude, and supporting electrolyte composition and its pH. Broad selectivity studies were performed with miscellaneous interfering agents influence, including ascorbic acid, selected saccharides and aminoacids, metal ions, non-opioid analgesic metamizole, non-steroidal anti-inflammatory drug omeprazole, and several drugs used along with TFV treatment. The linear concentration range for TFV determination at GO/GCE and Hg(Ag)FE was found to be 0.3–30.0 µmol L–1 and 0.5–7.0 µmol L–1, respectively. The lowest LOD was calculated for GO/GCE and was equal to 48.6 nmol L–1. The developed procedure was used to detect TFV in pharmaceutical formulations and patient urine samples and has referenced utilization in HPLC studies.
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Gajdár J, Kos J, Goněc T, Brázdová M, Soldánová Z, Fojta M, Jampílek J, Barek J, Fischer J. Substituent effect of ring-substituted 3-hydroxynaphthalene-2-carboxanilides and 2-hydroxynaphthalene-1-carboxanilides in relation to their electrochemical and biological activity. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jiranek I, Barek J. The use of non-traditional carbon film electrode based on microcrystalline natural graphite – polystyrene composite film for amperometric determination of 5-aminoquinoline using flow injection analysis minimising electrode fouling. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Hrdlička V, Barek J, Navrátil T. Differential pulse voltammetric determination of homovanillic acid as a tumor biomarker in human urine after hollow fiber-based liquid-phase microextraction. Talanta 2021; 221:121594. [PMID: 33076128 DOI: 10.1016/j.talanta.2020.121594] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 11/19/2022]
Abstract
Novel method for the determination of a tumor marker homovanillic acid (HVA) in human urine was developed. Combination of hollow fiber - based liquid-phase microextraction (HF-LPME) and differential pulse voltammetry (DPV) at a cathodically pre-treated boron doped diamond electrode (BDDE) was applied for these purposes. Optimum conditions were: butyl benzoate as supported liquid membrane (SLM) formed on polypropylene HF, 0.1 mol L-1 HCl as donor phase, 0.1 mol L-1 sodium phosphate buffer of pH 6 as acceptor phase, and 30 min extraction time. HF-LPME-DPV concentration dependence was linear in the range from 1.2 to 100 μmol L-1. Limits of quantification (LOQ) and detection (LOD) were 1.2 and 0.4 μmol L-1, respectively. The applicability of the developed method was verified by analysis of human urine. Standard addition method was used, found HVA concentration was 13.5 ± 1.3 μmol L-1, RSD = 9.3% (n=5).
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Affiliation(s)
- Vojtěch Hrdlička
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 2155/3, 182 23, Prague 8, Czech Republic; Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Hlavova 2030/8, 128 43, Prague 2, Czech Republic
| | - Jiří Barek
- Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Hlavova 2030/8, 128 43, Prague 2, Czech Republic
| | - Tomáš Navrátil
- J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 2155/3, 182 23, Prague 8, Czech Republic.
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Manjula N, Chen SM. Synthesis of highly electroactive nanoflowers like manganesetin oxide and electroanalytical application for chloramphenicol determination in milk and honey samples. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2020.114914] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Novel nontoxic electrochemical method for the detection of cefadroxil in pharmaceutical formulations and biological samples. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104574] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Acer S, Demir E, İnam R. Square wave voltammetric determination of pencycuron fungicide and application to commercial formulation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00457-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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An interspecific variation in rhizosphere effects on soil anti-erodibility. Sci Rep 2020; 10:2411. [PMID: 32051430 PMCID: PMC7015890 DOI: 10.1038/s41598-020-58784-z] [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: 08/16/2019] [Accepted: 01/20/2020] [Indexed: 11/08/2022] Open
Abstract
Soil erosion due to underground leakage is a major factor causing land degradation in karst regions. Rhizosphere effects (REs) on soil anti-erodibility (SAE) can alleviate this type of soil erosion by improving soil physical processes such as aggregate stability. However, the magnitudes and causes of interspecific variation in REs on SAE remain unclear. We tested the rhizosphere SAE indices of 42 key woody species distributed worldwide. Biologically active matter (BAM) and analogs of antibiotics (AOAs) that affect the SAE in rhizosphere soils were tested by gas chromatography-mass spectrometry (GC-MS). We then used principal component analysis (PCA) and redundancy analysis (RA) to establish a spectrum of interspecific variability in the REs for the first time. The spectrum shows a gradient of change among species. Eleven species exerted negative REs on the SAE, while the remaining species showed positive effects along the spectrum. The species with large positive effects were mostly deciduous, which have high contents of both BAM and total organic matter and low contents of AOAs in their rhizosphere soil; compared with the other species tested, these species also have more leaves and roots and are better adapted to barren soils. The botanical characteristics of species with negative REs on the SAE differed from those with large positive effects. The contents of BAM in the rhizosphere accounted for 16-23% of the total variation in REs on the SAE. This study quantified interspecific variation in REs and identified root exudates with negative REs.
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Constant-current chronopotentiometric stripping detection of bovine serum albumin on silver amalgam particles. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Skalová Š, Langmaier J, Barek J, Vyskočil V, Navrátil T. Doxorubicin determination using two novel voltammetric approaches: A comparative study. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135180] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Baluchová S, Daňhel A, Dejmková H, Ostatná V, Fojta M, Schwarzová-Pecková K. Recent progress in the applications of boron doped diamond electrodes in electroanalysis of organic compounds and biomolecules – A review. Anal Chim Acta 2019; 1077:30-66. [DOI: 10.1016/j.aca.2019.05.041] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/01/2019] [Accepted: 05/18/2019] [Indexed: 02/08/2023]
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17
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Buleandra M, Popa DE, David IG, Bacalum E, David V, Ciucu AA. Electrochemical behavior study of some selected phenylurea herbicides at activated pencil graphite electrode. Electrooxidation of linuron and monolinuron. Microchem J 2019. [DOI: 10.1016/j.microc.2019.04.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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18
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Šelešovská R, Herynková M, Skopalová J, Kelíšková-Martinková P, Janíková L, Chýlková J. Reduction behavior of insecticide azoxystrobin and its voltammetric determination using silver solid amalgam electrode. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-018-2348-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Electrochemical Behavior and Sensitive Methods of the Voltammetric Determination of Food Azo Dyes Amaranth and Allura Red AC on Amalgam Electrodes. FOOD ANAL METHOD 2018. [DOI: 10.1007/s12161-018-1372-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Makarska-Bialokoz M. Comparative study of binding interactions between porphyrin systems and aromatic compounds of biological importance by multiple spectroscopic techniques: A review. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 200:263-274. [PMID: 29694930 DOI: 10.1016/j.saa.2018.04.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/13/2018] [Accepted: 04/16/2018] [Indexed: 06/08/2023]
Abstract
The specific spectroscopic and redox properties of porphyrins predestine them to fulfill the role of sensors during interacting with different biologically active substances. Monitoring of binding interactions in the systems porphyrin-biologically active compound is a key question not only in the field of physiological functions of living organisms, but also in environmental protection, notably in the light of the rapidly growing drug consumption and concurrently the production of drug effluents. Not always beneficial action of drugs on natural porphyrin systems induces to further studies, with commercially available porphyrins as the model systems. Therefore the binding process between several water-soluble porphyrins and a series of biologically active compounds (e.g. caffeine, guanine, theophylline, theobromine, xanthine, uric acid) has been studied in different aqueous solutions analyzing their absorption and steady-state fluorescence spectra, the porphyrin fluorescence lifetimes and their quantum yields. The magnitude of the binding and fluorescence quenching constants values for particular quenchers decreases in a series: uric acid > guanine > caffeine > theophylline > theobromine > xanthine. In all the systems studied there are characters of static quenching, as a consequence of the π-π-stacked non-covalent and non-fluorescent complexes formation between porphyrins and interacting compounds, accompanied simultaneously by the additional specific binding interactions. The porphyrin fluorescence quenching can be explain by the photoinduced intermolecular electron transfer from aromatic compound to the center of the porphyrin molecule, playing the role of the binding site. Presented results can be valuable for designing of new fluorescent porphyrin chemosensors or monitoring of drug traces in aqueous solutions. The obtained outcomes have also the toxicological and medical importance, providing insight into the interactions of the water-soluble porphyrins with biologically active substances.
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Affiliation(s)
- Magdalena Makarska-Bialokoz
- Department of Inorganic Chemistry, Maria Curie-Sklodowska University, M. C. Sklodowska Sq. 2, 20-031 Lublin, Poland.
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Vosáhlová J, Koláčná L, Daňhel A, Fischer J, Balintová J, Hocek M, Schwarzová-Pecková K, Fojta M. Voltammetric and adsorption study of 4-nitrophenyl-triazole-labeled 2′-deoxycytidine and 7-deazaadenosine nucleosides at boron-doped diamond electrode. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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22
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Miniaturized voltammetric cell for cathodic voltammetry making use of an agar membrane. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2017.12.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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23
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Jevtić S, Vukojević V, Djurdjić S, Pergal MV, Manojlović DD, Petković BB, Stanković DM. First electrochemistry of herbicide pethoxamid and its quantification using electroanalytical approach from mixed commercial product. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.05.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Šelešovská R, Kränková B, Štěpánková M, Martinková P, Janíková L, Chýlková J, Vojs M. Influence of boron content on electrochemical properties of boron-doped diamond electrodes and their utilization for leucovorin determination. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.02.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Al-Qasmi N, Hameed A, Khan AN, Aslam M, Ismail IM, Soomro MT. Mercury meniscus on solid silver amalgam electrode as a sensitive electrochemical sensor for tetrachlorvinphos. JOURNAL OF SAUDI CHEMICAL SOCIETY 2018. [DOI: 10.1016/j.jscs.2016.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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26
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A new and simple method for the simultaneous determination of amoxicillin and nimesulide using carbon black within a dihexadecylphosphate film as electrochemical sensor. Talanta 2018; 179:115-123. [DOI: 10.1016/j.talanta.2017.10.048] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/20/2017] [Accepted: 10/23/2017] [Indexed: 11/21/2022]
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Gajdár J, Goněc T, Jampílek J, Brázdová M, Bábková Z, Fojta M, Barek J, Fischer J. Voltammetry of a Novel Antimycobacterial Agent 1-Hydroxy-N-(4-nitrophenyl)naphthalene-2-carboxamide in a Single Drop of a Solution. ELECTROANAL 2017. [DOI: 10.1002/elan.201700547] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Július Gajdár
- Charles University; Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry; Albertov 6 CZ-12843 Prague 2 Czech Republic
| | - Tomáš Goněc
- University of Veterinary and Pharmaceutical Sciences; Faculty of Pharmacy, Department of Chemical Drugs; Palackého 1/3 CZ-61242 Brno Czech Republic
| | - Josef Jampílek
- Comenius University; Faculty of Pharmacy; Department of Pharmaceutical Chemistry; Odbojárov 10 SK-83232 Bratislava Slovakia
| | - Marie Brázdová
- Institute of Biophysics of the Czech Academy of Sciences; Královopolská 135 CZ-61265 Brno Czech Republic
| | - Zuzana Bábková
- Institute of Biophysics of the Czech Academy of Sciences; Královopolská 135 CZ-61265 Brno Czech Republic
| | - Miroslav Fojta
- Institute of Biophysics of the Czech Academy of Sciences; Královopolská 135 CZ-61265 Brno Czech Republic
| | - Jiří Barek
- Charles University; Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry; Albertov 6 CZ-12843 Prague 2 Czech Republic
| | - Jan Fischer
- Charles University; Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry; Albertov 6 CZ-12843 Prague 2 Czech Republic
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Šelešovská R, Martinková P, Štěpánková M, Navrátil T, Chýlková J. Comparison Study of Voltammetric Behavior of Muscle Relaxant Dantrolene Sodium on Silver Solid Amalgam and Bismuth Film Electrodes. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2017; 2017:3627428. [PMID: 29057139 PMCID: PMC5615959 DOI: 10.1155/2017/3627428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/18/2017] [Accepted: 08/02/2017] [Indexed: 06/07/2023]
Abstract
Voltammetric behavior of muscle relaxant dantrolene sodium (DAN) was studied and the voltammetric methods for its determination using polished and mercury meniscus modified silver solid amalgam electrodes (p-AgSAE and m-AgSAE) as well as using bismuth film electrode (BiFE, ex situ plating on GCE) have been proposed. These working electrodes represent the most commonly used alternatives to mercury ones which come wrongfully into disfavor because of alleged toxicity of mercury. Within this work, the obtained results of DAN determination have been completed by corresponding statistical parameters and also some electrochemical characteristics of AgSAEs and BiFE were assessed, especially in comparison with the mercury electrodes.
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Affiliation(s)
- Renáta Šelešovská
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Pavlína Martinková
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Michaela Štěpánková
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Tomáš Navrátil
- J. Heyrovsky Institute of Physical Chemistry of the CAS, v.v.i., Dolejškova 3, 182 23 Prague 8, Czech Republic
| | - Jaromíra Chýlková
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
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29
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Špaček J, Daňhel A, Hasoň S, Fojta M. Label-free detection of canonical DNA bases, uracil and 5-methylcytosine in DNA oligonucleotides using linear sweep voltammetry at a pyrolytic graphite electrode. Electrochem commun 2017. [DOI: 10.1016/j.elecom.2017.07.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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Hájková A, Barek J, Vyskočil V. Electrochemical DNA biosensor for detection of DNA damage induced by hydroxyl radicals. Bioelectrochemistry 2017; 116:1-9. [DOI: 10.1016/j.bioelechem.2017.02.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 02/23/2017] [Accepted: 02/26/2017] [Indexed: 11/30/2022]
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31
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Ramos RM, Gonçalves LM, Vyskočil V, Rodrigues JA. Voltammetric determination of trace amounts of diacetyl at a mercury meniscus modified silver solid amalgam electrode following gas-diffusion microextraction. Talanta 2017; 169:203-208. [DOI: 10.1016/j.talanta.2017.03.077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 03/20/2017] [Accepted: 03/25/2017] [Indexed: 01/11/2023]
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32
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Gajdár J, Barek J, Fojta M, Fischer J. Micro volume voltammetric determination of 4-nitrophenol in dimethyl sulfoxide at a glassy carbon electrode. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-017-1954-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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33
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Belicky S, Černocká H, Bertok T, Holazova A, Réblová K, Paleček E, Tkac J, Ostatná V. Label-free chronopotentiometric glycoprofiling of prostate specific antigen using sialic acid recognizing lectins. Bioelectrochemistry 2017. [PMID: 28651174 DOI: 10.1016/j.bioelechem.2017.06.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In recent decades, it has become clear that most of human proteins are glycosylated and that protein glycosylation plays an important role in health and diseases. At present, simple, fast and inexpensive methods are sought for clinical applications and particularly for improved diagnostics of various diseases, including cancer. We propose a label- and reagent-free electrochemical method based on chronopotentiometric stripping (CPS) analysis and a hanging mercury drop electrode for the detection of interaction of sialylated protein biomarker a prostate specific antigen (PSA) with two important lectins: Sambucus nigra agglutinin (SNA) and Maackia amurensis agglutinin (MAA). Incubation of PSA-modified electrode with specific SNA lectin resulted in an increase of CPS peak H of the complex as compared to this peak of individual PSA. By adjusting polarization current and temperature, PSA-MAA interaction can be either eliminated or distinguished from the more abundant PSA-SNA complex. CPS data were in a good agreement with the data obtained by complementary methods, namely surface plasmon resonance and fluorescent lectin microarray. It can be anticipated that CPS will find application in glycomics and proteomics.
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Affiliation(s)
- Stefan Belicky
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, 845 38 Bratislava, Slovak Republic
| | - Hana Černocká
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolská 135, 612 65 Brno, Czech Republic
| | - Tomas Bertok
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, 845 38 Bratislava, Slovak Republic
| | - Alena Holazova
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, 845 38 Bratislava, Slovak Republic
| | - Kamila Réblová
- CEITEC Central European Institute of Technology, Masaryk University, Kamenice 5, Brno 62500, Czech Republic
| | - Emil Paleček
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolská 135, 612 65 Brno, Czech Republic
| | - Jan Tkac
- Institute of Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, 845 38 Bratislava, Slovak Republic
| | - Veronika Ostatná
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolská 135, 612 65 Brno, Czech Republic.
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Skalová Š, Navrátil T, Barek J, Vyskočil V. Voltammetric determination of sodium anthraquinone-2-sulfonate using silver solid amalgam electrodes. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-017-1926-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Janovjáková A, Gál M, Krahulec J, Sokolová R, Naumowicz M, Híveš J. Native and denatured enzyme enterokinase determined by electrochemical methods. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-016-1915-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Štěpánková M, Šelešovská R, Janíková L, Chýlková J. Voltammetric determination of mesalazine in pharmaceutical preparations and biological samples using boron-doped diamond electrode. CHEMICAL PAPERS 2017. [DOI: 10.1007/s11696-017-0135-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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37
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Kalambate PK, Rawool CR, Srivastava AK. Fabrication of graphene nanosheet–multiwalled carbon nanotube–polyaniline modified carbon paste electrode for the simultaneous electrochemical determination of terbutaline sulphate and guaifenesin. NEW J CHEM 2017. [DOI: 10.1039/c7nj00101k] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A sensitive electrochemical method is developed for the simultaneous determination of terbutaline sulphate (TBS) and guaifenesin (GF) at a carbon paste electrode modified with graphene nanosheet–multiwalled carbon nanotube–polyaniline composite (GNS–MWCNT–PANI).
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38
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Investigation of Voltammetric Behaviour of Insecticide Chlorpyrifos on a Mercury Meniscus Modified Silver Solid Amalgam Electrode. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.09.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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39
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An electrochemical device generating metal ion adducts of organic compounds for electrospray mass spectrometry. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.06.108] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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40
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Square wave voltammetry with multivariate calibration tools for determination of eugenol, carvacrol and thymol in honey. Talanta 2016; 158:306-314. [DOI: 10.1016/j.talanta.2016.05.071] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 05/25/2016] [Accepted: 05/26/2016] [Indexed: 11/16/2022]
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41
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New sensitive square-wave adsorptive stripping voltammetric determination of pesticide chlornitrofen, and an evaluation of its corrosivity towards steel agricultural equipment. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.07.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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42
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Ivić MLA, Petrović SD, Mijin DŽ. Contribution to the Recent Advances in Electrochemical Analysis of Pharmaceuticals. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/978-3-319-31849-3_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
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43
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Vajdle O, Guzsvány V, Škorić D, Anojčić J, Jovanov P, Avramov-Ivić M, Csanádi J, Kónya Z, Petrović S, Bobrowski A. Voltammetric behavior of erythromycin ethylsuccinate at a renewable silver-amalgam film electrode and its determination in urine and in a pharmaceutical preparation. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.12.207] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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44
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Šelešovská R, Štěpánková M, Janíková L, Nováková K, Vojs M, Marton M, Behúl M. Surface and electrochemical characterization of boron-doped diamond electrodes prepared under different conditions. MONATSHEFTE FUR CHEMIE 2016. [DOI: 10.1007/s00706-015-1640-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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45
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Krejcova Z, Barek J, Vyskocil V. Voltammetric determination of fenitrothion and study of its interaction with DNA at a mercury meniscus modified silver solid amalgam electrode. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1595-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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46
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Navrátil T, Nováková K, Josypčuk B, Sokolová R, Šestáková I. Voltammetric detection of phytochelatin transported across unmodified and protoplast modified model phospholipid membranes. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1591-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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47
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Nováková K, Hrdlička V, Navrátil T, Harvila M, Zima J, Barek J. Application of silver solid amalgam electrode for determination of formamidine amitraz. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1575-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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48
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Mackuľak T, Vojs M, Grabic R, Golovko O, Staňová AV, Birošová L, Medveďová A, Híveš J, Gál M, Kromka A, Hanusová A. Occurrence of pharmaceuticals, illicit drugs, and resistant types of bacteria in hospital effluent and their effective degradation by boron-doped diamond electrodes. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1582-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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49
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Libansky M, Zima J, Barek J, Dejmkova H. Voltammetric determination of homovanillic acid and vanillylmandelic acid on a disposable electrochemical measuring cell system with integrated carbon composite film electrodes. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1583-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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50
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Electrochemical study of 5-nitroquinoline using carbon film electrode and its determination in model samples of drinking and river water. MONATSHEFTE FUR CHEMIE 2015. [DOI: 10.1007/s00706-015-1573-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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