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Lee S, Gonzalez-Suarez AM, Huang X, Calvo-Lozano O, Suvakov S, Lechuga LM, Garovic VD, Stybayeva G, Revzin A. Using Electrochemical Immunoassay in a Novel Microtiter Plate to Detect Surface Markers of Preeclampsia on Urinary Extracellular Vesicles. ACS Sens 2023; 8:207-217. [PMID: 36548998 DOI: 10.1021/acssensors.2c02077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Extracellular vesicles (EVs) are lipid bilayer nanovesicles secreted by cells. EVs contain biological information related to parental cells and provide biomarkers for disease diagnosis. We have previously shown that the levels of podocin and nephrin expression on urinary EVs may be used to diagnose renal injury associated with preeclampsia. This paper describes a nanoparticle-enabled immunoassay integrated with an electrochemical plate for quantifying podocin and nephrin expression in urinary EVs. The strategy entailed capturing EVs on an electrode surface and then labeling EVs with gold nanoparticles that are both functionalized with antibodies for target specificity and impregnated with redox-active metal ions for electrochemical detection. These immunoprobes produced an electrochemical redox signal proportional to the expression level of EV surface markers. Electrochemical immunoassays were carried out in a novel microtiter plate that contained 16 wells with working electrodes connected to onboard counter/reference electrodes via capillary valves. Upon validation with recombinant proteins, a microtiter plate was used for analysis of urinary EVs from healthy and preeclamptic pregnant women. This analysis revealed a higher podocin to nephrin ratio for preeclamptic women compared to healthy controls (4.31 vs 1.69) suggesting that this ratio may be used for disease diagnosis.
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Affiliation(s)
- Seonhwa Lee
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Alan M Gonzalez-Suarez
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - XuHai Huang
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Olalla Calvo-Lozano
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBERBBN and BIST, Barcelona 08193, Spain
| | - Sonja Suvakov
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Laura M Lechuga
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBERBBN and BIST, Barcelona 08193, Spain
| | - Vesna D Garovic
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Gulnaz Stybayeva
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States.,Sersense Inc., Rochester, Minnesota 55905, United States
| | - Alexander Revzin
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota 55905, United States
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Anti- and Pro-Oxidant Activity of Polyphenols Extracts of Syrah and Chardonnay Grapevine Pomaces on Melanoma Cancer Cells. Antioxidants (Basel) 2022; 12:antiox12010080. [PMID: 36670942 PMCID: PMC9855015 DOI: 10.3390/antiox12010080] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/24/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022] Open
Abstract
The phenolic composition of Syrah and Chardonnay grape pomaces was studied to assess their antioxidant and prooxidant properties. Polyphenols were extracted by a "green" hydroalcoholic solvent (ethanol/water 1:1 v/v), and a detailed chemical and electrochemical characterization of the phenolic compounds was performed. The antioxidant and prooxidant capacity of the pomace was first studied by cyclic voltammetry (CV) and other reference analytical assays, then with biological tests on B16F10 metastatic melanoma cancer cells. Electrochemical data showed that, when a +0.5 V potential was applied, a low to moderate antioxidant capacity was observed. MTT test showed an increasing viability of melanoma cells, after treatments at low concentration (up to 100 μg/mL) and for a short time (6 h), but when cells were treated with higher doses of extract (≥250 μg/mL for 12/24 h), their viability decreased from 25 to 50% vs. control, depending on treatment time, dose, and extract origin. A stronger prooxidant activity resulted when 250 μg/mL of extract was combined with non-toxic doses of H2O2; this activity was correlated with the presence of copper in the extracts. This study shows the potential of winemaking by-products and suggests the opportunity to exploit them for the production of cosmeceuticals, or for combined therapies with approved anticancer drugs.
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Teanphonkrang S, Suginta W, Sucharitakul J, Fukamizo T, Chaiyen P, Schulte A. An electrochemical method for detecting the biomarker 4-HPA by allosteric activation of Acinetobacterbaumannii reductase C1 subunit. J Biol Chem 2021; 296:100467. [PMID: 33639166 PMCID: PMC8027283 DOI: 10.1016/j.jbc.2021.100467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 11/19/2022] Open
Abstract
The C1 (reductase) subunit of 4-hydroxy-phenylacetate (4-HPA) 3-hydroxylase (HPAH) from the soil-based bacterium Acinetobacterbaumannii catalyzes NADH oxidation by molecular oxygen, with hydrogen peroxide as a by-product. 4-HPA is a potent allosteric modulator of C1, but also a known urinary biomarker for intestinal bacterial imbalance and for some cancers and brain defects. We thus envisioned that C1 could be used to facilitate 4-HPA detection. The proposed test protocol is simple and in situ and involves addition of NADH to C1 in solution, with or without 4-HPA, and direct acquisition of the H2O2 current with an immersed Prussian Blue–coated screen-printed electrode (PB-SPE) assembly. We confirmed that cathodic H2O2 amperometry at PB-SPEs is a reliable electrochemical assay for intrinsic and allosterically modulated redox enzyme activity. We further validated this approach for quantitative NADH electroanalysis and used it to evaluate the activation of NADH oxidation of C1 by 4-HPA and four other phenols. Using 4-HPA, the most potent effector, allosteric activation of C1 was related to effector concentration by a simple saturation function. The use of C1 for cathodic biosensor analysis of 4-HPA is the basis of the development of a simple and affordable clinical routine for assaying 4-HPA in the urine of patients with a related disease risk. Extension of this principle to work with other allosteric redox enzymes and their effectors is feasible.
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Affiliation(s)
- Somjai Teanphonkrang
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand; School of Chemistry, Institute of Science, The Suranaree University of Technology (SUT), Nakhon Ratchasima, Thailand
| | - Wipa Suginta
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Jeerus Sucharitakul
- Department of Biochemistry and Research Unit in Integrative Immuno-Microbial Biochemistry and Bioresponsive Nanomaterials, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Tamo Fukamizo
- Department of Advanced Bioscience, Kindai University, Nara, Japan
| | - Pimchai Chaiyen
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
| | - Albert Schulte
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand; School of Chemistry, Institute of Science, The Suranaree University of Technology (SUT), Nakhon Ratchasima, Thailand.
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Ruff A, Jaikaew W, Khunkaewla P, Schuhmann W, Schulte A. Drug Release from Polymer Thin Films and Gel Pellets: Insights from Programmed Microplate Electroanalysis. Chempluschem 2020; 85:627-633. [PMID: 32237228 DOI: 10.1002/cplu.202000129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/14/2020] [Indexed: 01/09/2023]
Abstract
Robotic electroanalysis in 24-well microplates was used to determine Paracetamol (PCT) release from thin films of chitosan and two pH-sensitive synthetic polymers as well as blends of the polymers with each other and with agarose. Square-wave voltammograms were recorded automatically in a potential window of 0.35 V-0.85 V vs. Ag/AgCl/0.1 M KCl and their evaluation revealed time-dependent PCT release into acidic and basic media. Comparison of the release profiles showed that pure chitosan layers released PCT quickly in a single-phase process while liberation from synthetic polymer thin films was slower with a sigmoidal shape at pH 1.2 and pH 8.0 with a maximum release of PCT after approximately 150 and 140 min, respectively. The release profile from thicker agarose films was between those of the thin films. Agarose blended with chitosan or synthetic polymers formed films with biphasic release behavior. Chitosan linearized the initial section of the release profile in chitosan/polymer blends. The automated procedure for release testing offers the advantage of low-cost, labor-effective and error-free data acquisition. The procedure has been validated as a useful microplate assay option for release profile testing.
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Affiliation(s)
- Adrian Ruff
- Analytical Chemistry - Center for Electrochemical Sciences (CES), Faculty for Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Wajee Jaikaew
- School of Chemistry, Biochemistry - Electrochemistry Research Unit Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Panida Khunkaewla
- School of Chemistry, Biochemistry - Electrochemistry Research Unit Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Wolfgang Schuhmann
- Analytical Chemistry - Center for Electrochemical Sciences (CES), Faculty for Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstrasse 150, 44780, Bochum, Germany
| | - Albert Schulte
- School of Biomolecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong, 21210, Thailand
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Li L, Zhang P, Li Z, Li D, Han B, Tu L, Li B, Wang Y, Ren L, Yang P, Ke S, Ye S, Shi W. CuS/Prussian blue core-shell nanohybrid as an electrochemical sensor for ascorbic acid detection. NANOTECHNOLOGY 2019; 30:325501. [PMID: 30947158 DOI: 10.1088/1361-6528/ab1613] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Affiliation(s)
- Lihuang Li
- Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, People's Republic of China
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Robotic microplate voltammetry for real-time hydrogel drug release testing. Anal Chim Acta 2018; 1041:33-39. [DOI: 10.1016/j.aca.2018.08.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 08/12/2018] [Accepted: 08/15/2018] [Indexed: 11/20/2022]
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Fu L, Wang A, Lyv F, Lai G, Zhang H, Yu J, Lin CT, Yu A, Su W. Electrochemical antioxidant screening based on a chitosan hydrogel. Bioelectrochemistry 2018; 121:7-10. [DOI: 10.1016/j.bioelechem.2017.12.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 12/25/2017] [Accepted: 12/25/2017] [Indexed: 01/18/2023]
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Teanphonkrang S, Schulte A. Automated Quantitative Enzyme Biosensing in 24-Well Microplates. Anal Chem 2017; 89:5261-5269. [DOI: 10.1021/acs.analchem.6b04694] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Somjai Teanphonkrang
- School of Chemistry, Institute of Science, ‡Biochemistry−Electrochemistry
Research Unit, Institute of Science, and §Center of Excellence (CoE) in Advanced
Functional Materials, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Albert Schulte
- School of Chemistry, Institute of Science, ‡Biochemistry−Electrochemistry
Research Unit, Institute of Science, and §Center of Excellence (CoE) in Advanced
Functional Materials, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
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Barberis A, Spissu Y, Fadda A, Azara E, Bazzu G, Marceddu S, Angioni A, Sanna D, Schirra M, Serra PA. Simultaneous amperometric detection of ascorbic acid and antioxidant capacity in orange, blueberry and kiwi juice, by a telemetric system coupled with a fullerene- or nanotubes-modified ascorbate subtractive biosensor. Biosens Bioelectron 2015; 67:214-23. [DOI: 10.1016/j.bios.2014.08.019] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 07/28/2014] [Accepted: 08/08/2014] [Indexed: 01/16/2023]
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Theanponkrang S, Suginta W, Weingart H, Winterhalter M, Schulte A. Robotic voltammetry with carbon nanotube-based sensors: a superb blend for convenient high-quality antimicrobial trace analysis. Int J Nanomedicine 2015; 10:859-68. [PMID: 25670899 PMCID: PMC4315560 DOI: 10.2147/ijn.s75237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
A new automated pharmacoanalytical technique for convenient quantification of redox-active antibiotics has been established by combining the benefits of a carbon nanotube (CNT) sensor modification with electrocatalytic activity for analyte detection with the merits of a robotic electrochemical device that is capable of sequential nonmanual sample measurements in 24-well microtiter plates. Norfloxacin (NFX) and ciprofloxacin (CFX), two standard fluoroquinolone antibiotics, were used in automated calibration measurements by differential pulse voltammetry (DPV) and accomplished were linear ranges of 1–10 μM and 2–100 μM for NFX and CFX, respectively. The lowest detectable levels were estimated to be 0.3±0.1 μM (n=7) for NFX and 1.6±0.1 μM (n=7) for CFX. In standard solutions or tablet samples of known content, both analytes could be quantified with the robotic DPV microtiter plate assay, with recoveries within ±4% of 100%. And recoveries were as good when NFX was evaluated in human serum samples with added NFX. The use of simple instrumentation, convenience in execution, and high effectiveness in analyte quantitation suggest the merger between automated microtiter plate voltammetry and CNT-supported electrochemical drug detection as a novel methodology for antibiotic testing in pharmaceutical and clinical research and quality control laboratories.
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Affiliation(s)
- Somjai Theanponkrang
- School of Chemistry, Institute of Science, Nakhon Ratchasima, Thailand ; Biochemistry- Electrochemistry Research Unit, Institute of Science, Nakhon Ratchasima, Thailand
| | - Wipa Suginta
- Biochemistry- Electrochemistry Research Unit, Institute of Science, Nakhon Ratchasima, Thailand ; School of Biochemistry, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Helge Weingart
- Life Sciences, School of Engineering and Science, Jacobs University Bremen, Bremen, Germany
| | - Mathias Winterhalter
- Life Sciences, School of Engineering and Science, Jacobs University Bremen, Bremen, Germany
| | - Albert Schulte
- School of Chemistry, Institute of Science, Nakhon Ratchasima, Thailand ; Biochemistry- Electrochemistry Research Unit, Institute of Science, Nakhon Ratchasima, Thailand
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Barberis A, Spissu Y, Bazzu G, Fadda A, Azara E, Sanna D, Schirra M, Serra PA. Development and Characterization of an Ascorbate Oxidase-based Sensor–Biosensor System for Telemetric Detection of AA and Antioxidant Capacity in Fresh Orange Juice. Anal Chem 2014; 86:8727-34. [DOI: 10.1021/ac502066a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Antonio Barberis
- Institute
of Sciences of Food Production (ISPA), National Research Council (CNR) Italy, Traversa La Crucca, 3 Regione Baldinca, 07100 Li Punti, Sassari, Italy
| | - Ylenia Spissu
- Dept.
of Clinical and Experimental Medicine, Section of Pharmacology, University of Sassari, v.le S. Pietro, 43/B, 07100 Sassari, Italy
| | - Gianfranco Bazzu
- Dept.
of Clinical and Experimental Medicine, Section of Pharmacology, University of Sassari, v.le S. Pietro, 43/B, 07100 Sassari, Italy
| | - Angela Fadda
- Institute
of Sciences of Food Production (ISPA), National Research Council (CNR) Italy, Traversa La Crucca, 3 Regione Baldinca, 07100 Li Punti, Sassari, Italy
| | - Emanuela Azara
- Institute
of Biomolecular Chemistry (ICB), CNR Italy, Traversa La Crucca, 3 Regione Baldinca, 07100 Li Punti, Sassari, Italy
| | - Daniele Sanna
- Institute
of Biomolecular Chemistry (ICB), CNR Italy, Traversa La Crucca, 3 Regione Baldinca, 07100 Li Punti, Sassari, Italy
| | - Mario Schirra
- Institute
of Sciences of Food Production (ISPA), National Research Council (CNR) Italy, Traversa La Crucca, 3 Regione Baldinca, 07100 Li Punti, Sassari, Italy
| | - Pier Andrea Serra
- Dept.
of Clinical and Experimental Medicine, Section of Pharmacology, University of Sassari, v.le S. Pietro, 43/B, 07100 Sassari, Italy
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Samseya J, Srinivasan R, Chang YT, Tsao CW, Vasantha V. Fabrication and characterisation of high performance polypyrrole modified microarray sensor for ascorbic acid determination. Anal Chim Acta 2013; 793:11-8. [DOI: 10.1016/j.aca.2013.06.049] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Revised: 06/24/2013] [Accepted: 06/28/2013] [Indexed: 11/16/2022]
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Robotic heavy metal anodic stripping voltammetry: ease and efficacy for trace lead and cadmium electroanalysis. J Solid State Electrochem 2013. [DOI: 10.1007/s10008-013-2018-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Sienkiewicz A, Szymula M, Narkiewicz-Michałek J. Studies of ascorbic acid electroactivity in the H2O/ACN(EtOH) solutions containing SDS. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.02.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Intarakamhang S, Schulte A. Automated electrochemical free radical scavenger screening in dietary samples. Anal Chem 2012; 84:6767-74. [PMID: 22881402 DOI: 10.1021/ac301292c] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
An automated electrochemical microtiter plate assay for the quantification of free radical scavengers (antioxidants) in food samples is described. Dietary antioxidant capacity measurements were achieved using the radical compound 2,2-diphenyl-1-picrylhydrazyl (DPPH·) as an amperometric redox indicator, with a pencil lead working electrode, in conjunction with a Pt counter-electrode and Ag/AgCl reference electrode, moving sequentially through the 24 vials of a standard 6 × 4 microtiter plate. Programmed analyses were performed successfully with synthetic antioxidants of known concentrations and with tea infusions, fruit juices, and vegetable extracts. The novel methodology is simple and convenient as, unlike common DPPH· antioxidant electroanalysis, it avoids the time-consuming cleaning of electrochemical cells between measurements. Microtiter plate-based robotic electrochemical antioxidant assaying is thus a good option for handling large sample collections and may be applicable in the production of food and herbal remedies.
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Affiliation(s)
- Sireerat Intarakamhang
- Biochemistry-Electrochemistry Research Unit, School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
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Towards a reliable technology for antioxidant capacity and oxidative damage evaluation: Electrochemical (bio)sensors. Biosens Bioelectron 2011; 30:1-12. [DOI: 10.1016/j.bios.2011.08.036] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2011] [Revised: 08/11/2011] [Accepted: 08/25/2011] [Indexed: 01/05/2023]
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