Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

Haibin Shi; Zhao Song; Jiadong Huang; Yu Yang; Zixia Zhao; Jun Ichi Anzai; Tetsuo Osa; Qiang Chen

doi:10.1016/j.msec.2004.11.001

Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

Haibin Shi, Zhao Song, Jiadong Huang, Yu Yang, Zixia Zhao, Jun Ichi Anzai, Tetsuo Osa, Qiang Chen

PHA - Molecular Pharmaceutical Science

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

9 Citations (Scopus)

Abstract

A layer-by-layer deposition technique was employed for fabricating choline biosensors using chloline oxidase (ChOx) and polycations such as poly(ethyleneimine) (PEI) and poly(diallyldimethylammonium chloride) (PDDA). A platinum electrode was coated with ChOx/PEI or ChOx/PDDA thin film to prepare amperometric choline sensors. The amperometric response of the sensors depended significantly on the type of the polycations. The ChOx/PDDA film suppressed the permeation of choline, resulting in a lower response than that of the ChOx/PEI film-based sensors. The results were rationalized based on the different chemical structures of the polycationic materials.

Original language	English
Pages (from-to)	433-435
Number of pages	3
Journal	Materials Science and Engineering C
Volume	25
Issue number	4
DOIs	https://doi.org/10.1016/j.msec.2004.11.001
Publication status	Published - 2005 Jun

Keywords

Choline oxidase
Choline sensor
Layer-by-layer deposition
PDDA (poly(diallyldimethylammonium chloride))
PEI (poly(ethyleneimine))

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique. / Shi, Haibin; Song, Zhao; Huang, Jiadong; Yang, Yu; Zhao, Zixia; Anzai, Jun Ichi; Osa, Tetsuo; Chen, Qiang.

In: Materials Science and Engineering C, Vol. 25, No. 4, 06.2005, p. 433-435.

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

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title = "Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique",

abstract = "A layer-by-layer deposition technique was employed for fabricating choline biosensors using chloline oxidase (ChOx) and polycations such as poly(ethyleneimine) (PEI) and poly(diallyldimethylammonium chloride) (PDDA). A platinum electrode was coated with ChOx/PEI or ChOx/PDDA thin film to prepare amperometric choline sensors. The amperometric response of the sensors depended significantly on the type of the polycations. The ChOx/PDDA film suppressed the permeation of choline, resulting in a lower response than that of the ChOx/PEI film-based sensors. The results were rationalized based on the different chemical structures of the polycationic materials.",

keywords = "Choline oxidase, Choline sensor, Layer-by-layer deposition, PDDA (poly(diallyldimethylammonium chloride)), PEI (poly(ethyleneimine))",

author = "Haibin Shi and Zhao Song and Jiadong Huang and Yu Yang and Zixia Zhao and Anzai, {Jun Ichi} and Tetsuo Osa and Qiang Chen",

note = "Funding Information: This work was supported by the Natural Science Foundation of Tianjin (no. 033802711).",

year = "2005",

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doi = "10.1016/j.msec.2004.11.001",

language = "English",

volume = "25",

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AU - Shi, Haibin

AU - Song, Zhao

AU - Huang, Jiadong

AU - Yang, Yu

AU - Zhao, Zixia

AU - Anzai, Jun Ichi

AU - Osa, Tetsuo

AU - Chen, Qiang

N1 - Funding Information: This work was supported by the Natural Science Foundation of Tianjin (no. 033802711).

PY - 2005/6

Y1 - 2005/6

N2 - A layer-by-layer deposition technique was employed for fabricating choline biosensors using chloline oxidase (ChOx) and polycations such as poly(ethyleneimine) (PEI) and poly(diallyldimethylammonium chloride) (PDDA). A platinum electrode was coated with ChOx/PEI or ChOx/PDDA thin film to prepare amperometric choline sensors. The amperometric response of the sensors depended significantly on the type of the polycations. The ChOx/PDDA film suppressed the permeation of choline, resulting in a lower response than that of the ChOx/PEI film-based sensors. The results were rationalized based on the different chemical structures of the polycationic materials.

AB - A layer-by-layer deposition technique was employed for fabricating choline biosensors using chloline oxidase (ChOx) and polycations such as poly(ethyleneimine) (PEI) and poly(diallyldimethylammonium chloride) (PDDA). A platinum electrode was coated with ChOx/PEI or ChOx/PDDA thin film to prepare amperometric choline sensors. The amperometric response of the sensors depended significantly on the type of the polycations. The ChOx/PDDA film suppressed the permeation of choline, resulting in a lower response than that of the ChOx/PEI film-based sensors. The results were rationalized based on the different chemical structures of the polycationic materials.

KW - Choline oxidase

KW - Choline sensor

KW - Layer-by-layer deposition

KW - PDDA (poly(diallyldimethylammonium chloride))

KW - PEI (poly(ethyleneimine))

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JO - Materials Science and Engineering C

JF - Materials Science and Engineering C

SN - 0928-4931

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ER -

Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

Abstract

Keywords

ASJC Scopus subject areas

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