Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid

Yonas Belay; Alfred Muller; Kaushik Mallick

doi:10.1007/s12678-022-00783-x

Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid

Yonas Belay, Alfred Muller, Kaushik Mallick

Chemical Sciences

University of Johannesburg

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Three known isostructural lanthanide coordination polymers (Ln CP) were synthesized and their chemical and physical properties were characterized using SCXRD, XRPD, FTIR, SEM-EDS, TGA, CHN elemental analysis and acid digestion proton NMR spectroscopy. The materials were coated on glassy carbon electrode (GCE) using simple drop cast method and their electrochemical activities for detection of dopamine were carried out using cyclovoltammetry (CV), square wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) techniques. The fabricated La, Nd and Ce CPs/GCE exhibited good electrochemical activities for selective detection of dopamine than the bare GCE with limit of detection 0.253, 0.241 and 0.159 µM, respectively. The Ln CP/GCE exhibited small charge transfer resistance (R_ct) than the bare GCE when measured using EIS. The calculated R_ct values for the electrodes were La CP/GCE (ca. 177 Ω) < Ce and Nd CPs/GCE (ca. 233 Ω) < bare GCE (ca. 467 Ω). Furthermore, Ln CP/GCE showed excellent sensitivity for the detection of dopamine. Graphical abstract: [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	148-158
Number of pages	11
Journal	Electrocatalysis
Volume	14
Issue number	2
DOIs	https://doi.org/10.1007/s12678-022-00783-x
Publication status	Published - Mar 2023

Keywords

Ascorbic acid
Dopamine
Electrochemical sensors
Lanthanide coordination polymers
Neurotransmitters

ASJC Scopus subject areas

Electrochemistry

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10.1007/s12678-022-00783-x

Cite this

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title = "Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid",

abstract = "Three known isostructural lanthanide coordination polymers (Ln CP) were synthesized and their chemical and physical properties were characterized using SCXRD, XRPD, FTIR, SEM-EDS, TGA, CHN elemental analysis and acid digestion proton NMR spectroscopy. The materials were coated on glassy carbon electrode (GCE) using simple drop cast method and their electrochemical activities for detection of dopamine were carried out using cyclovoltammetry (CV), square wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) techniques. The fabricated La, Nd and Ce CPs/GCE exhibited good electrochemical activities for selective detection of dopamine than the bare GCE with limit of detection 0.253, 0.241 and 0.159 µM, respectively. The Ln CP/GCE exhibited small charge transfer resistance (Rct) than the bare GCE when measured using EIS. The calculated Rct values for the electrodes were La CP/GCE (ca. 177 Ω) < Ce and Nd CPs/GCE (ca. 233 Ω) < bare GCE (ca. 467 Ω). Furthermore, Ln CP/GCE showed excellent sensitivity for the detection of dopamine. Graphical abstract: [Figure not available: see fulltext.]",

keywords = "Ascorbic acid, Dopamine, Electrochemical sensors, Lanthanide coordination polymers, Neurotransmitters",

author = "Yonas Belay and Alfred Muller and Kaushik Mallick",

note = "Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.",

year = "2023",

month = mar,

doi = "10.1007/s12678-022-00783-x",

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T1 - Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid

AU - Belay, Yonas

AU - Muller, Alfred

AU - Mallick, Kaushik

PY - 2023/3

Y1 - 2023/3

N2 - Three known isostructural lanthanide coordination polymers (Ln CP) were synthesized and their chemical and physical properties were characterized using SCXRD, XRPD, FTIR, SEM-EDS, TGA, CHN elemental analysis and acid digestion proton NMR spectroscopy. The materials were coated on glassy carbon electrode (GCE) using simple drop cast method and their electrochemical activities for detection of dopamine were carried out using cyclovoltammetry (CV), square wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) techniques. The fabricated La, Nd and Ce CPs/GCE exhibited good electrochemical activities for selective detection of dopamine than the bare GCE with limit of detection 0.253, 0.241 and 0.159 µM, respectively. The Ln CP/GCE exhibited small charge transfer resistance (Rct) than the bare GCE when measured using EIS. The calculated Rct values for the electrodes were La CP/GCE (ca. 177 Ω) < Ce and Nd CPs/GCE (ca. 233 Ω) < bare GCE (ca. 467 Ω). Furthermore, Ln CP/GCE showed excellent sensitivity for the detection of dopamine. Graphical abstract: [Figure not available: see fulltext.]

AB - Three known isostructural lanthanide coordination polymers (Ln CP) were synthesized and their chemical and physical properties were characterized using SCXRD, XRPD, FTIR, SEM-EDS, TGA, CHN elemental analysis and acid digestion proton NMR spectroscopy. The materials were coated on glassy carbon electrode (GCE) using simple drop cast method and their electrochemical activities for detection of dopamine were carried out using cyclovoltammetry (CV), square wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) techniques. The fabricated La, Nd and Ce CPs/GCE exhibited good electrochemical activities for selective detection of dopamine than the bare GCE with limit of detection 0.253, 0.241 and 0.159 µM, respectively. The Ln CP/GCE exhibited small charge transfer resistance (Rct) than the bare GCE when measured using EIS. The calculated Rct values for the electrodes were La CP/GCE (ca. 177 Ω) < Ce and Nd CPs/GCE (ca. 233 Ω) < bare GCE (ca. 467 Ω). Furthermore, Ln CP/GCE showed excellent sensitivity for the detection of dopamine. Graphical abstract: [Figure not available: see fulltext.]

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KW - Electrochemical sensors

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Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid

Abstract

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Data from University of Johannesburg Provide New Insights into Engineering (Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine In the Presence of Ascorbic Acid)

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Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine in the Presence of Ascorbic Acid

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ASJC Scopus subject areas

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Data from University of Johannesburg Provide New Insights into Engineering (Lanthanide Formate Coordination Polymers for Selective Detection of Dopamine In the Presence of Ascorbic Acid)

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