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Battistel D, Citron A, Veclani D, Daniele S. Pt Nanoelectrodes Sealed in Quartz Capillaries Modified with Underpotential‐Deposited Bismuth for Formic Acid Electrooxidation. ChemElectroChem 2022. [DOI: 10.1002/celc.202200754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dario Battistel
- Ca' Foscari University of Venice: Universita Ca' Foscari Environmental Sciences, Informatics and Statistics Venice ITALY
| | - Alberto Citron
- Ca' Foscari University of Venice: Universita Ca' Foscari Molecular Sciences and Nanosystems Venice ITALY
| | - Daniele Veclani
- CNR: Consiglio Nazionale delle Ricerche The Institute of Organic Synthesis and Photoreactivity (ISOF) ITALY
| | - Salvatore Daniele
- Ca'Foscari University of Venice: Universita Ca' Foscari Scienze Molecolari e Nanosistemi Via Torino, 155 30172 Venice ITALY
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Chinnadayyala SR, Cho S. Porous Platinum Black-Coated Minimally Invasive Microneedles for Non-Enzymatic Continuous Glucose Monitoring in Interstitial Fluid. NANOMATERIALS 2020; 11:nano11010037. [PMID: 33375593 PMCID: PMC7824010 DOI: 10.3390/nano11010037] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 01/03/2023]
Abstract
Individuals with diabetes can benefit considerably from continuous blood glucose monitoring. To address this challenge, a proof-of-concept was performed for continuous glucose monitoring (CGM) based on an enzymeless porous nanomaterial (pNM)-modified microneedle electrode array (MNEA). The pNM sensing layer was electrochemically deposited on MNs by applying a fixed negative current of -2.5 mA cm-2 for 400 s. The pNM-modified MNEA was packed using a biocompatible Nafion ionomer. The fabricated MNEAs were 600 × 100 × 150 µm in height, width, and thickness, respectively. The surfaces of the modified MNs were characterized by scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The fabricated MNEAs showed a wide dynamic range (1-30 mM) in phosphate-buffered saline (PBS) and in artificial interstitial fluid (ISF), with good sensitivities (PBS: 1.792 ± 0.25 µA mM-1 cm-2, ISF: 0.957 ± 0.14 µA mM-1 cm-2) and low detection limits (PBS: 7.2 µM, ISF: 22 µM). The sensor also showed high stability (loss of 3.5% at the end of 16 days), selectivity, and reproducibility (Relative standard deviations (RSD) of 1.64% and 0.70% for intra- and inter-assay, respectively) and a good response time (2 s) with great glucose recovery rates in ISF (98.7-102%).
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Affiliation(s)
- Somasekhar R. Chinnadayyala
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do 13120, Korea;
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, 1342 Seongnamdaero, Seongnam-si, Gyeonggi-do 13120, Korea;
- Department of Health Science and Technology, GAIHST, Gachon University, Incheon 21999, Korea
- Correspondence: ; Tel.: +82-(31)-750-5321
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Hydrogel-filled micropipette contact systems for solid state electrochemical measurements. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04651-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Majidian M, Raoof JB, Fischer J, Barek J. Differential Pulse Voltammetric Determination of 2‐Methyl‐4,6‐Dinitrophenol using Bismuth Bulk Electrode. ELECTROANAL 2020. [DOI: 10.1002/elan.201800755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mahsa Majidian
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of ChemistryUniversity of Mazandaran Babolsar 47416-95447 Iran
| | - Jahan Bakhsh Raoof
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of ChemistryUniversity of Mazandaran Babolsar 47416-95447 Iran
| | - Jan Fischer
- Charles University, Faculty of Science, Department of Analytical ChemistryUNESCO Laboratory of Environmental Electrochemistry Hlavova 2030/8 12843 Prague 2 Czech Republic
| | - Jiri Barek
- Charles University, Faculty of Science, Department of Analytical ChemistryUNESCO Laboratory of Environmental Electrochemistry Hlavova 2030/8 12843 Prague 2 Czech Republic
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Vladislavić N, Buzuk M, Brinić S, Buljac M, Bralić M. Morphological characterization of ex situ prepared bismuth film electrodes and their application in electroanalytical determination of the biomolecules. J Solid State Electrochem 2016. [DOI: 10.1007/s10008-016-3234-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Foster CW, de Souza AP, Metters JP, Bertotti M, Banks CE. Metallic modified (bismuth, antimony, tin and combinations thereof) film carbon electrodes. Analyst 2016; 140:7598-612. [PMID: 26468488 DOI: 10.1039/c5an01692d] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper in situ bismuth, antimony, tin modified electrodes and combinations thereof are explored towards the model target analytes cadmium(II) and lead(II), chosen since they are the most widely studied, to explore the role of the underlying electrode substrate with respect to boron-doped diamond, glassy carbon, and screen-printed graphite electrodes. It is found that differing electrochemical responses are observed, dependent upon the underlying electrode substrate. The electrochemical response using the available range of metallic modifications is only ever observed when the underlying electrode substrate exhibits relatively slow electron transfer properties; in the case of fast electron transfer properties, no significant advantages are evident. Furthermore these bismuth modified systems which commonly employ a pH 4 acetate buffer, reported to ensure the bismuth(III) stability upon the electrode surface can create create a problem when sensing at low concentrations of heavy metals due to its high background current. It is demonstrated that a simple change of pH can allow the detection of the target analytes (cadmium(II) and lead(II)) at levels below that set by the World Health Organisation (WHO) using bare graphite screen-printed electrodes.
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Affiliation(s)
- Christopher W Foster
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
| | - Ana P de Souza
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK. and Instituto de Química - Universidade de São Paulo, 05508-900, São Paulo, SP, Brazil
| | - Jonathan P Metters
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
| | - Mauro Bertotti
- Instituto de Química - Universidade de São Paulo, 05508-900, São Paulo, SP, Brazil
| | - Craig E Banks
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
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Brinić S, Vladislavić N, Buzuk M, Bralić M, Šolić M. Bismuth film random array carbon fiber microelectrodes for determination of cysteine and N-acetyl cysteine. J Electroanal Chem (Lausanne) 2013. [DOI: 10.1016/j.jelechem.2013.07.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jiang J, Wang X, Zhang L. Nano-Roughening a Pt Disk Microelectrode via Electrochemical Alloying-Dealloying in Ionic Liquid Electrolyte. ELECTROANAL 2013. [DOI: 10.1002/elan.201300177] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Determination of trace bismuth by under-potential deposition-stripping voltammetry at mesoporous platinum microelectrodes: application to pharmaceutical products. J Solid State Electrochem 2013. [DOI: 10.1007/s10008-013-2084-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Daniele S, Bragato C, Battistel D. Bismuth-Coated Mesoporous Platinum Microelectrodes as Sensors for Formic Acid Detection. ELECTROANAL 2011. [DOI: 10.1002/elan.201100549] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Esterle TF, Russell AE, Bartlett PN. The effect of Bi adsorption on CO oxidation inside 1.8 nm Pt pores. Phys Chem Chem Phys 2011; 13:17964-8. [PMID: 21931888 DOI: 10.1039/c1cp21741k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Modification of the surface of H(1)-e Pt with Bi causes significant changes in the CO stripping voltammetry; the pre-wave disappears and CO and Bi oxidation peaks appear. The absence of the pre-wave suggests that Bi preferentially adsorbs on the trough sites of the concave 1.8 nm diameter pore walls preventing oxygenated species from nucleating there.
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Affiliation(s)
- Thomas F Esterle
- School of Chemistry, University of Southampton, Southampton, SO17 1BJ, UK
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Denuault G. The Contribution of Microelectrodes to Electroanalytical Chemistry: From Reaction Mechanisms and Scanning Electrochemical Microscopy to Ocean Sensors. Isr J Chem 2010. [DOI: 10.1002/ijch.201000041] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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