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Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode

Victoria Vasil'evna Shumyantseva 1, 2, 3
Victoria Vasil'evna Shumyantseva
, 
Tatiana V Bulko 1, 3
Tatiana V Bulko
, 
Alexey Vladimirovich Kuzikov 1, 2, 3
Alexey Vladimirovich Kuzikov
, 
Rami Akhmad Masamrekh 1, 2, 3
Rami Akhmad Masamrekh
, 
Dmitry Vladimirovich Pergushov 3
Dmitry Vladimirovich Pergushov
, 
Felix H Schacher 4, 5, 6
Felix H Schacher
, 
Larisa Viktorovna Sigolaeva 1, 3
Larisa Viktorovna Sigolaeva
10.1016/j.mencom.2020.05.012
Published 2020-04-30
Communication , Volume 30, Issue 3, 299-301
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Shumyantseva V. V. et al. Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode // Mendeleev Communications. 2020. Vol. 30. No. 3. pp. 299-301.
GOST all authors (up to 50) Copy
Shumyantseva V. V., Bulko T. V., Kuzikov A. V., Masamrekh R. A., Pergushov D. V., Schacher F. H., Sigolaeva L. V. Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode // Mendeleev Communications. 2020. Vol. 30. No. 3. pp. 299-301.
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TY - JOUR
DO - 10.1016/j.mencom.2020.05.012
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.05.012
TI - Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode
T2 - Mendeleev Communications
AU - Shumyantseva, Victoria Vasil'evna
AU - Bulko, Tatiana V
AU - Kuzikov, Alexey Vladimirovich
AU - Masamrekh, Rami Akhmad
AU - Pergushov, Dmitry Vladimirovich
AU - Schacher, Felix H
AU - Sigolaeva, Larisa Viktorovna
PY - 2020
DA - 2020/04/30
PB - Mendeleev Communications
SP - 299-301
IS - 3
VL - 30
ER -
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@article{2020_Shumyantseva,
author = {Victoria Vasil'evna Shumyantseva and Tatiana V Bulko and Alexey Vladimirovich Kuzikov and Rami Akhmad Masamrekh and Dmitry Vladimirovich Pergushov and Felix H Schacher and Larisa Viktorovna Sigolaeva},
title = {Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode},
journal = {Mendeleev Communications},
year = {2020},
volume = {30},
publisher = {Mendeleev Communications},
month = {Apr},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.05.012},
number = {3},
pages = {299--301},
doi = {10.1016/j.mencom.2020.05.012}
}
MLA
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Shumyantseva, Victoria Vasil'evna, et al. “Electrochemical fingerprint of cytochrome c on a polymer/MWCNT nanocomposite electrode.” Mendeleev Communications, vol. 30, no. 3, Apr. 2020, pp. 299-301. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.05.012.

Keywords

amphiphilic diblock copolymer
cytochrome c
electron transfer
electrooxidation
label-free detection
modified electrode
multi-walled carbon nanotubes
screen-printed electrodes

Abstract

The electroactivity of cytochrome c on screen-printed graphite electrodes modified with stable dispersions of multi-walled carbon nanotubes in aqueous solution of amphiphilic poly(n-butyl acrylate)100-block-poly(acrylic acid)140 diblock copolymers was estimated. Using a broad potential window, the reduction and oxidation of heme iron at a near-zero potential, the electrooxidation of Tyr and Trp at +0.6V and the electrooxidation of heme at +0.8V were detected in a wide concentration range of 1–100μm with a limit of detection of 1–2μm. Such a multipoint detection can be used as an electrochemical fingerprint of cytochrome c for its electrochemical recognition and quantification in complex (bio)chemical analytes.

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