A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump

Li Longjie; Zhao Hongshen; Ji Liangliang; Ma Baofu; Chen Deliang

doi:doi:10.11648/j.sd.20160404.16

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A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump

Li Longjie, Zhao Hongshen, Ji Liangliang, Ma Baofu, Chen Deliang

Published in Science Discovery (Volume 4, Issue 4)

Received: 19 July 2016 Accepted: Published: 20 July 2016

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Abstract

Na⁺ is one of the most abundant metal ions and plays critical physiological roles in biological systems, therefore development of new Na⁺ sensors is becoming increasingly important. Currently many physical and chemical methods have been applied to detect Na⁺. In this paper, we developed a novel Na⁺ electrode based on a biomaterial, light-driven Na⁺ pump (NdR2). The photocurrent of the electrode upon excitation shows a characteristic positive polarity in Na⁺ solution at neutral pH. The peak current shows Na⁺ dependency within the concentration range from 1 to 200 mmol/L. The stability data show that the electrode is stable after being stored at 50°C for 90 min. As a novel biosensor, this Na⁺ pump-based electrode is of great significance in the study of ion transport mechanism and application of ion detection.

Published in	Science Discovery (Volume 4, Issue 4)
DOI	10.11648/j.sd.20160404.16
Page(s)	238-242
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

NdR2, NdR2-liposome-ITO Electrode, Na⁺ Concentration, Biosensor

References

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APA Style

Li Longjie, Zhao Hongshen, Ji Liangliang, Ma Baofu, Chen Deliang. (2016). A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Science Discovery, 4(4), 238-242. https://doi.org/10.11648/j.sd.20160404.16

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ACS Style

Li Longjie; Zhao Hongshen; Ji Liangliang; Ma Baofu; Chen Deliang. A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Sci. Discov. 2016, 4(4), 238-242. doi: 10.11648/j.sd.20160404.16

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AMA Style

Li Longjie, Zhao Hongshen, Ji Liangliang, Ma Baofu, Chen Deliang. A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Sci Discov. 2016;4(4):238-242. doi: 10.11648/j.sd.20160404.16

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@article{10.11648/j.sd.20160404.16,
  author = {Li Longjie and Zhao Hongshen and Ji Liangliang and Ma Baofu and Chen Deliang},
  title = {A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump},
  journal = {Science Discovery},
  volume = {4},
  number = {4},
  pages = {238-242},
  doi = {10.11648/j.sd.20160404.16},
  url = {https://doi.org/10.11648/j.sd.20160404.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20160404.16},
  abstract = {Na+ is one of the most abundant metal ions and plays critical physiological roles in biological systems, therefore development of new Na+ sensors is becoming increasingly important. Currently many physical and chemical methods have been applied to detect Na+. In this paper, we developed a novel Na+ electrode based on a biomaterial, light-driven Na+ pump (NdR2). The photocurrent of the electrode upon excitation shows a characteristic positive polarity in Na+ solution at neutral pH. The peak current shows Na+ dependency within the concentration range from 1 to 200 mmol/L. The stability data show that the electrode is stable after being stored at 50°C for 90 min. As a novel biosensor, this Na+ pump-based electrode is of great significance in the study of ion transport mechanism and application of ion detection.},
 year = {2016}
}

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TY  - JOUR
T1  - A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump
AU  - Li Longjie
AU  - Zhao Hongshen
AU  - Ji Liangliang
AU  - Ma Baofu
AU  - Chen Deliang
Y1  - 2016/07/20
PY  - 2016
N1  - https://doi.org/10.11648/j.sd.20160404.16
DO  - 10.11648/j.sd.20160404.16
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 238
EP  - 242
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20160404.16
AB  - Na+ is one of the most abundant metal ions and plays critical physiological roles in biological systems, therefore development of new Na+ sensors is becoming increasingly important. Currently many physical and chemical methods have been applied to detect Na+. In this paper, we developed a novel Na+ electrode based on a biomaterial, light-driven Na+ pump (NdR2). The photocurrent of the electrode upon excitation shows a characteristic positive polarity in Na+ solution at neutral pH. The peak current shows Na+ dependency within the concentration range from 1 to 200 mmol/L. The stability data show that the electrode is stable after being stored at 50°C for 90 min. As a novel biosensor, this Na+ pump-based electrode is of great significance in the study of ion transport mechanism and application of ion detection.
VL  - 4
IS  - 4
ER  -

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Author Information

Li Longjie

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
Zhao Hongshen

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
Ji Liangliang

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
Ma Baofu

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
Chen Deliang

College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China

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Plain Text BibTeX RIS

APA Style

Li Longjie, Zhao Hongshen, Ji Liangliang, Ma Baofu, Chen Deliang. (2016). A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Science Discovery, 4(4), 238-242. https://doi.org/10.11648/j.sd.20160404.16

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ACS Style

Li Longjie; Zhao Hongshen; Ji Liangliang; Ma Baofu; Chen Deliang. A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Sci. Discov. 2016, 4(4), 238-242. doi: 10.11648/j.sd.20160404.16

Copy | Download

AMA Style

Li Longjie, Zhao Hongshen, Ji Liangliang, Ma Baofu, Chen Deliang. A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump. Sci Discov. 2016;4(4):238-242. doi: 10.11648/j.sd.20160404.16

Copy | Download

@article{10.11648/j.sd.20160404.16,
  author = {Li Longjie and Zhao Hongshen and Ji Liangliang and Ma Baofu and Chen Deliang},
  title = {A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump},
  journal = {Science Discovery},
  volume = {4},
  number = {4},
  pages = {238-242},
  doi = {10.11648/j.sd.20160404.16},
  url = {https://doi.org/10.11648/j.sd.20160404.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20160404.16},
  abstract = {Na+ is one of the most abundant metal ions and plays critical physiological roles in biological systems, therefore development of new Na+ sensors is becoming increasingly important. Currently many physical and chemical methods have been applied to detect Na+. In this paper, we developed a novel Na+ electrode based on a biomaterial, light-driven Na+ pump (NdR2). The photocurrent of the electrode upon excitation shows a characteristic positive polarity in Na+ solution at neutral pH. The peak current shows Na+ dependency within the concentration range from 1 to 200 mmol/L. The stability data show that the electrode is stable after being stored at 50°C for 90 min. As a novel biosensor, this Na+ pump-based electrode is of great significance in the study of ion transport mechanism and application of ion detection.},
 year = {2016}
}

Copy | Download

TY  - JOUR
T1  - A Sodium Selective Electrochemical Biosensor Based on the Sodium Pump
AU  - Li Longjie
AU  - Zhao Hongshen
AU  - Ji Liangliang
AU  - Ma Baofu
AU  - Chen Deliang
Y1  - 2016/07/20
PY  - 2016
N1  - https://doi.org/10.11648/j.sd.20160404.16
DO  - 10.11648/j.sd.20160404.16
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 238
EP  - 242
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20160404.16
AB  - Na+ is one of the most abundant metal ions and plays critical physiological roles in biological systems, therefore development of new Na+ sensors is becoming increasingly important. Currently many physical and chemical methods have been applied to detect Na+. In this paper, we developed a novel Na+ electrode based on a biomaterial, light-driven Na+ pump (NdR2). The photocurrent of the electrode upon excitation shows a characteristic positive polarity in Na+ solution at neutral pH. The peak current shows Na+ dependency within the concentration range from 1 to 200 mmol/L. The stability data show that the electrode is stable after being stored at 50°C for 90 min. As a novel biosensor, this Na+ pump-based electrode is of great significance in the study of ion transport mechanism and application of ion detection.
VL  - 4
IS  - 4
ER  -

Copy | Download