Rationally designed f-MWCNT-coated bismuth molybdate (f-MWCNT@BMO) nanocomposites for the voltammetric detection of biomolecule dopamine in biological samples

Selvarasu Maheshwaran; Elayappan Tamilalagan; Shen Ming Chen; Muthumariappan Akilarasan; Yu Feng Huang; Najla AlMasoud; Khamael M. Abualnaja; Mohmed Ouladsmne

doi:10.1007/s00604-021-04978-9

Rationally designed f-MWCNT-coated bismuth molybdate (f-MWCNT@BMO) nanocomposites for the voltammetric detection of biomolecule dopamine in biological samples

Selvarasu Maheshwaran
, Elayappan Tamilalagan
, Shen Ming Chen^*
, Muthumariappan Akilarasan
, Yu Feng Huang
, Najla AlMasoud
, Khamael M. Abualnaja
, Mohmed Ouladsmne

^*Corresponding author for this work

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

16 Scopus citations

Abstract

Selective and sensitive dopamine (DPA) sensor was developed using hydrothermally prepared functionalized multi-walled carbon nanotube–coated bismuth molybdate (f-MWCNT@BMO). The f-MWCNT@BMO-reinforced electrode exhibited an outstanding electrocatalytic activity towards DPA oxidation. The nanocomposite-reinforced electrode displayed a rapid response towards DPA sensing and possessed the minimized potential of (E_pa + 0.285 V vs Ag/AgCl) in 0.1 M phosphate buffer (PB). The electrochemical results of prepared sensors were analyzed using the differential pulse voltammetry method (DPV). As a result, the f-MWCNT@BMO-reinforced electrode exhibited a widelinear range of 10 nM - 814 μM with a very low detection limit of 3.4 nM towards DPA oxidation. The developed sensor shows excellent selectivity in presence of similar functional group biomolecules. The detection of DPA in real samples was evaluated in human serum, as the results of the proposed sensor possessed good recoveries. Graphical abstract: [Figure not available: see fulltext.].

Original language	English
Article number	315
Journal	Microchimica Acta
Volume	188
Issue number	9
DOIs	https://doi.org/10.1007/s00604-021-04978-9
State	Published - Sep 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.

Keywords

Biomolecule detection
Bismuth molybdate
Differential pulse voltammetry
Dopamine sensor
Neurotransmitters
f-MWCNT nanocomposites

ASJC Scopus subject areas

Analytical Chemistry

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10.1007/s00604-021-04978-9

Cite this

Maheshwaran, S., Tamilalagan, E., Chen, S. M., Akilarasan, M., Huang, Y. F., AlMasoud, N., Abualnaja, K. M., & Ouladsmne, M. (2021). Rationally designed f-MWCNT-coated bismuth molybdate (f-MWCNT@BMO) nanocomposites for the voltammetric detection of biomolecule dopamine in biological samples. Microchimica Acta, 188(9), Article 315. https://doi.org/10.1007/s00604-021-04978-9

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title = "Rationally designed f-MWCNT-coated bismuth molybdate (f-MWCNT@BMO) nanocomposites for the voltammetric detection of biomolecule dopamine in biological samples",

abstract = "Selective and sensitive dopamine (DPA) sensor was developed using hydrothermally prepared functionalized multi-walled carbon nanotube–coated bismuth molybdate (f-MWCNT@BMO). The f-MWCNT@BMO-reinforced electrode exhibited an outstanding electrocatalytic activity towards DPA oxidation. The nanocomposite-reinforced electrode displayed a rapid response towards DPA sensing and possessed the minimized potential of (Epa + 0.285 V vs Ag/AgCl) in 0.1 M phosphate buffer (PB). The electrochemical results of prepared sensors were analyzed using the differential pulse voltammetry method (DPV). As a result, the f-MWCNT@BMO-reinforced electrode exhibited a widelinear range of 10 nM - 814 μM with a very low detection limit of 3.4 nM towards DPA oxidation. The developed sensor shows excellent selectivity in presence of similar functional group biomolecules. The detection of DPA in real samples was evaluated in human serum, as the results of the proposed sensor possessed good recoveries. Graphical abstract: [Figure not available: see fulltext.].",

keywords = "Biomolecule detection, Bismuth molybdate, Differential pulse voltammetry, Dopamine sensor, Neurotransmitters, f-MWCNT nanocomposites",

author = "Selvarasu Maheshwaran and Elayappan Tamilalagan and Chen, \{Shen Ming\} and Muthumariappan Akilarasan and Huang, \{Yu Feng\} and Najla AlMasoud and Abualnaja, \{Khamael M.\} and Mohmed Ouladsmne",

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AU - Maheshwaran, Selvarasu

AU - Tamilalagan, Elayappan

AU - Chen, Shen Ming

AU - Akilarasan, Muthumariappan

AU - Huang, Yu Feng

AU - AlMasoud, Najla

AU - Abualnaja, Khamael M.

AU - Ouladsmne, Mohmed

PY - 2021/9

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N2 - Selective and sensitive dopamine (DPA) sensor was developed using hydrothermally prepared functionalized multi-walled carbon nanotube–coated bismuth molybdate (f-MWCNT@BMO). The f-MWCNT@BMO-reinforced electrode exhibited an outstanding electrocatalytic activity towards DPA oxidation. The nanocomposite-reinforced electrode displayed a rapid response towards DPA sensing and possessed the minimized potential of (Epa + 0.285 V vs Ag/AgCl) in 0.1 M phosphate buffer (PB). The electrochemical results of prepared sensors were analyzed using the differential pulse voltammetry method (DPV). As a result, the f-MWCNT@BMO-reinforced electrode exhibited a widelinear range of 10 nM - 814 μM with a very low detection limit of 3.4 nM towards DPA oxidation. The developed sensor shows excellent selectivity in presence of similar functional group biomolecules. The detection of DPA in real samples was evaluated in human serum, as the results of the proposed sensor possessed good recoveries. Graphical abstract: [Figure not available: see fulltext.].

AB - Selective and sensitive dopamine (DPA) sensor was developed using hydrothermally prepared functionalized multi-walled carbon nanotube–coated bismuth molybdate (f-MWCNT@BMO). The f-MWCNT@BMO-reinforced electrode exhibited an outstanding electrocatalytic activity towards DPA oxidation. The nanocomposite-reinforced electrode displayed a rapid response towards DPA sensing and possessed the minimized potential of (Epa + 0.285 V vs Ag/AgCl) in 0.1 M phosphate buffer (PB). The electrochemical results of prepared sensors were analyzed using the differential pulse voltammetry method (DPV). As a result, the f-MWCNT@BMO-reinforced electrode exhibited a widelinear range of 10 nM - 814 μM with a very low detection limit of 3.4 nM towards DPA oxidation. The developed sensor shows excellent selectivity in presence of similar functional group biomolecules. The detection of DPA in real samples was evaluated in human serum, as the results of the proposed sensor possessed good recoveries. Graphical abstract: [Figure not available: see fulltext.].

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KW - f-MWCNT nanocomposites

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Rationally designed f-MWCNT-coated bismuth molybdate (f-MWCNT@BMO) nanocomposites for the voltammetric detection of biomolecule dopamine in biological samples

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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