A highly permselective electrochemical glucose sensor using red blood cell membrane

Insu Kim, Dohyung Kwon, Dongtak Lee, Tae Hoon Lee, Jeong Hoon Lee, Gyudo Lee, Dae Sung Yoon

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We developed an electrochemical enzymatic biosensor coated with red blood cell membrane (RBCM) for highly selective glucose measurement. The RBCM containing its membrane proteins (glucose transporter-1) was extracted from a human red blood cell (RBC), and then placed on an established enzymatic glucose sensor by the vesicle fusion method. In the newly fabricated glucose sensor, the RBCM plays the role in the diffusion barrier of preventing the penetration of interfering molecules, while in contrast making glucose molecules permeable. We employed scanning electron microscopy and atomic force microscopy to analyze the RBCM diffusion barriers. The performance of our glucose sensors with diffusion barriers was tested regarding selectivity to glucose against other interfering molecules, such as ascorbic acid, uric acid, and galactose. Remarkably, employing the RBCM significantly improved the selectivity and accuracy of the glucose measurement, even under human serum, compared to the uncoated sensors. This result implies that the RBCM serves well as a highly permselective layer to glucose molecules, and a diffusion barrier to other molecules.

Original languageEnglish
Pages (from-to)617-623
Number of pages7
JournalBiosensors and Bioelectronics
Volume102
DOIs
Publication statusPublished - 2018 Apr 15

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Glucose sensors
Electrochemical sensors
Cell membranes
Blood
Erythrocytes
Glucose
Cell Membrane
Diffusion barriers
Molecules
Facilitative Glucose Transport Proteins
Ascorbic acid
Uric Acid
Atomic Force Microscopy
Galactose
Biosensors
Biosensing Techniques
Ascorbic Acid
Atomic force microscopy
Electron Scanning Microscopy
Membrane Proteins

Keywords

  • Electrochemical analysis
  • Glucose biosensor
  • Glucose dehydrogenase
  • Glucose transporter-1
  • Permselectivity
  • Red blood cell membrane

ASJC Scopus subject areas

  • Biotechnology
  • Biophysics
  • Biomedical Engineering
  • Electrochemistry

Cite this

A highly permselective electrochemical glucose sensor using red blood cell membrane. / Kim, Insu; Kwon, Dohyung; Lee, Dongtak; Lee, Tae Hoon; Lee, Jeong Hoon; Lee, Gyudo; Yoon, Dae Sung.

In: Biosensors and Bioelectronics, Vol. 102, 15.04.2018, p. 617-623.

Research output: Contribution to journalArticle

Kim, Insu ; Kwon, Dohyung ; Lee, Dongtak ; Lee, Tae Hoon ; Lee, Jeong Hoon ; Lee, Gyudo ; Yoon, Dae Sung. / A highly permselective electrochemical glucose sensor using red blood cell membrane. In: Biosensors and Bioelectronics. 2018 ; Vol. 102. pp. 617-623.
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