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Urban S, Deschner BJ, Trinkies LL, Kieninger J, Kraut M, Dittmeyer R, Urban GA, Weltin A. In Situ Mapping of H 2, O 2, and H 2O 2 in Microreactors: A Parallel, Selective Multianalyte Detection Method. ACS Sens 2021; 6:1583-1594. [PMID: 33481585 DOI: 10.1021/acssensors.0c02509] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Determining local concentrations of the analytes in state-of-the-art microreactors is essential for the development of optimized and safe processes. However, the selective, parallel monitoring of all relevant reactants and products in a multianalyte environment is challenging. Electrochemical microsensors can provide unique information on the reaction kinetics and overall performance of the hydrogen peroxide synthesis process in microreactors, thanks to their high spatial and temporal resolution and their ability to measure in situ, in contrast to other techniques. We present a chronoamperometric approach which allows the selective detection of the dissolved gases hydrogen and oxygen and their reaction product hydrogen peroxide on the same platinum microelectrode in an aqueous electrolyte. The method enables us to obtain the concentration of each analyte using three specific potentials and to subtract interfering currents from the mixed signal. While hydrogen can be detected independently, no potentials can be found for a direct, selective measurement of oxygen and hydrogen peroxide. Instead, it was found that for combined signals, the individual contribution of all analytes superimposes linearly additive. We showed that the concentrations determined from the subtracted signals correlate very well with results obtained without interfering analytes present. For the first time, this approach allowed the mapping of the distribution of the analytes hydrogen, oxygen, and hydrogen peroxide inside a multiphase membrane microreactor, paving the way for online process control.
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Affiliation(s)
- Sebastian Urban
- Laboratory for Sensors, IMTEK−Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Benedikt J. Deschner
- Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Laura L. Trinkies
- Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Jochen Kieninger
- Laboratory for Sensors, IMTEK−Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Manfred Kraut
- Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Roland Dittmeyer
- Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Gerald A. Urban
- Laboratory for Sensors, IMTEK−Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Andreas Weltin
- Laboratory for Sensors, IMTEK−Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
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Radotić K, Djikanović D, Simonović Radosavljević J, Jović-Jovičić N, Mojović Z. Comparative study of lignocellulosic biomass and its components as electrode modifiers for detection of lead and copper ions. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Pifferi V, Cappelletti G, Bari CD, Meroni D, Spadavecchia F, Falciola L. Multi-Walled Carbon Nanotubes (MWCNTs) modified electrodes: Effect of purification and functionalization on the electroanalytical performances. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.09.099] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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References. Anal Chem 2012. [DOI: 10.1201/b11478-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Falciola L, Pifferi V, Mascheroni E. Platinum-Based and Carbon-Based Screen Printed Electrodes for the Determination of Benzidine by Differential Pulse Voltammetry. ELECTROANAL 2012. [DOI: 10.1002/elan.201200007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Yardım Y, Levent A, Keskin E, Şentürk Z. Voltammetric behavior of benzo[a]pyrene at boron-doped diamond electrode: A study of its determination by adsorptive transfer stripping voltammetry based on the enhancement effect of anionic surfactant, sodium dodecylsulfate. Talanta 2011; 85:441-8. [DOI: 10.1016/j.talanta.2011.04.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Revised: 03/28/2011] [Accepted: 04/03/2011] [Indexed: 11/28/2022]
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Niaz A, Fischer J, Barek J, Yosypchuk B, Sirajuddin, Bhanger M. Voltammetric Determination of 4-Nitrophenol Using a Novel Type of Silver Amalgam Paste Electrode. ELECTROANAL 2009. [DOI: 10.1002/elan.200904622] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Niaz A, Fischer J, Barek J, Yosypchuk B, Sirajuddin, Bhanger M. A Novel Voltammetric Method for the Determination of Maleic Acid Using Silver Amalgam Paste Electrode. ELECTROANAL 2009. [DOI: 10.1002/elan.200904655] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Vyskočil V, Barek J. Mercury Electrodes–Possibilities and Limitations in Environmental Electroanalysis. Crit Rev Anal Chem 2009. [DOI: 10.1080/10408340903011820] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Chapleau RR, Sagermann M. Real-time in vivo imaging of mercury uptake in Caenorhabditis elegans through the foodchain. Toxicology 2009; 261:136-42. [DOI: 10.1016/j.tox.2009.05.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Revised: 05/08/2009] [Accepted: 05/11/2009] [Indexed: 12/16/2022]
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Lieberzeit PA, Halikias K, Afzal A, Dickert FL. Polymers imprinted with PAH mixtures—comparing fluorescence and QCM sensors. Anal Bioanal Chem 2008; 392:1405-10. [DOI: 10.1007/s00216-008-2413-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2008] [Revised: 08/29/2008] [Accepted: 09/12/2008] [Indexed: 10/21/2022]
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Chapleau RR, Blomberg R, Ford PC, Sagermann M. Design of a highly specific and noninvasive biosensor suitable for real-time in vivo imaging of mercury (II) uptake. Protein Sci 2008; 17:614-22. [PMID: 18305194 DOI: 10.1110/ps.073358908] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Mercury is a ubiquitous pollutant that when absorbed is extremely toxic to a wide variety of biochemical processes. Mercury (II) is a strong, "invisible" poison that is rapidly absorbed by tissues of the intestinal tract, kidneys, and liver upon ingestion. In this study, a novel fluorescence-based biosensor is presented that allows for the direct monitoring of the uptake and distribution of the metal under noninvasive in vivo conditions. With the introduction of a cysteine residue at position 205, located in close proximity to the chromophore, the green fluorescent protein (GFP) from Aequorea victoria was converted into a highly specific biosensor for this metal ion. The mutant protein exhibits a dramatic absorbance and fluorescence change upon mercuration at neutral pH. Absorbance and fluorescence properties with respect to the metal concentration exhibit sigmoidal binding behavior with a detection limit in the low nanomolar range. Time-resolved binding studies indicate rapid subsecond binding of the metal to the protein. The crystal structures obtained of mutant eGFP205C indicate a possible access route of the metal into the core of the protein. To our knowledge, this engineered protein is a first example of a biosensor that allows for noninvasive and real-time imaging of mercury uptake in a living cell. A major advantage is that its expression can be genetically controlled in many organisms to enable unprecedented studies of tissue specific mercury uptake.
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Affiliation(s)
- Richard R Chapleau
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, USA
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Barek J, Fischer J, Navrátil T, Pecková K, Yosypchuk B, Zima J. Nontraditional Electrode Materials in Environmental Analysis of Biologically Active Organic Compounds. ELECTROANAL 2007. [DOI: 10.1002/elan.200703918] [Citation(s) in RCA: 139] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Babkina SS, Ulakhovich NA. Complexing of heavy metals with DNA and new bioaffinity method of their determination based on amperometric DNA-based biosensor. Anal Chem 2007; 77:5678-85. [PMID: 16131081 DOI: 10.1021/ac050727b] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The immobilized single-stranded DNA (ssIDNA) has been found to be a very effective biospecific analytical reagent when used in a newly developed bioaffinity method of the determination of heavy metals based on the amperometric DNA-based biosensor. This has been concluded from the comparative study of the complexing of heavy metals with double-stranded DNA, single-stranded DNA, and ssIDNA, using Fe(III) and Cu(II) as a model (metal/nucleotide ratio and stability constants are maximum for ssIDNA), from the study of adsorption of Fe(III), Cu(II), Pb(II), and Cd(II) on nitrocellulose membranes, containing single-stranded DNA, and from the determination of their binding constants with ssIDNA. According to these data, the chosen heavy metals can be lined up in a series of binding strengths with ssIDNA: Cu(II) > Pb(II) > Fe(III) > Cd(II). The method of the determination of heavy metals is based on biospecific preconcentration of metal ions on the biosensor followed by the destruction of DNA-metal complexes with ethylenediaminetetraacetate and voltammogram recording has been proposed. The lower detection limits are 4.0 x 10(-11), 1.0 x 10(-10), 1.0 x 10(-9), and 5.0 x 10(-9) M for Cu(II), Pb(II), Cd(II), and Fe(III), respectively. The heavy metals have been assayed in multicomponent environmental and biological systems such as natural and drinking water, milk, and blood serum samples.
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Affiliation(s)
- S S Babkina
- Chemical Faculty, Kazan State University, Kremlevskaya Street, 18, Kazan 420008, Russia.
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Farias PAM, Castro AA, Wagener ADLR, Bastos MB. Adsorptive Stripping Voltammetry of 9‐Phenanthrol in the Presence of Copper at the Static Mercury Drop Electrode—Basis for Quantitative Determination of PAH Metabolite in Biological Materials. ANAL LETT 2006. [DOI: 10.1080/00032710600824714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Babkina SS, Budnikov GK. Electrochemical biosensors based on nucleic acids and their use in bioaffinity assays for determining DNA and and its effectors. JOURNAL OF ANALYTICAL CHEMISTRY 2006. [DOI: 10.1134/s1061934806080028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Zima J, Stoica AI, Zítová A, Barek J. Voltammetric Determination of Selected Aminoquinolines Using Carbon Paste Electrode. ELECTROANAL 2006. [DOI: 10.1002/elan.200503364] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Flechsig GU, Peter J, Voss K, Gründler P. Electrochemical DNA hybridization detection using the fluorescence quenching label dabcyl. Electrochem commun 2005. [DOI: 10.1016/j.elecom.2005.08.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Uslu B, Do??an B, Özkan S, Aboul-Enein H. Voltammetric Investigation and Determination of Mefloquine. ELECTROANAL 2005. [DOI: 10.1002/elan.200403255] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Structural and Conformational Studies of ortho-, meta-, and para-Methyl Red upon Proton Gain and Loss. B KOREAN CHEM SOC 2005. [DOI: 10.5012/bkcs.2005.26.8.1170] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Bermudo E, Ruiz-Calero V, Puignou L, Galceran M. Analysis of heterocyclic amines in chicken by liquid chromatography with electrochemical detection. Anal Chim Acta 2005. [DOI: 10.1016/j.aca.2004.12.077] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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German N, Armalis S, Zima J, Barek J. Voltammetric Determination of Fluoren-9-ol and 2-Acetamidofluorene Using Carbon Paste Electrodes. ACTA ACUST UNITED AC 2005. [DOI: 10.1135/cccc20050292] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Square wave voltammetry and differential pulse voltammetry have been used for the determination of 2-acetamidofluorene and fluoren-9-ol using carbon paste electrodes, following the study of the influence of the carbon paste composition on the voltammetric signals of the analytes. The methods are based on the oxidation of the above compounds and they include adsorptive accumulation of the analyte on the surface of the working electrode. The limit of detection was 1 μmol l-1for fluoren-9-ol in a medium of 0.1 M H2SO4, and 40 nmol l-1for 2-acetamidofluorene in Britton-Robinson buffer (pH 7).
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Ahlström LH, Sparr Eskilsson C, Björklund E. Determination of banned azo dyes in consumer goods. Trends Analyt Chem 2005. [DOI: 10.1016/j.trac.2004.09.004] [Citation(s) in RCA: 195] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Adsorptive stripping voltammetry of 1-hydroxypyrene at the thin-film mercury electrode—basis for quantitative determination of PAH metabolite in biological materials. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2004.05.079] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Brezová V, Tarábek P, Dvoranová D, Staško A, Biskupič S. EPR study of photoinduced reduction of nitroso compounds in titanium dioxide suspensions. J Photochem Photobiol A Chem 2003. [DOI: 10.1016/s1010-6030(02)00357-x] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Armalis S, Novikova N, Kubiliene E, Zima J, Barek J. VOLTAMMETRIC DETERMINATION OF 2-AMINOFLUORENE AND 2,7-DIAMINOFLUORENE USING CARBON PASTE ELECTRODE. ANAL LETT 2002. [DOI: 10.1081/al-120006730] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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