Permeability improvement of electropolymerized polypyrrole films in water using magnetic hydrophilic microbeads

Serge Cosnier; Shou Nian Ding; Aymeric Pellissier; Karine Gorgy; Michael Holzinger; Briza Pérez López; Arben Merkoçi

doi:10.1002/elan.200804484

Permeability improvement of electropolymerized polypyrrole films in water using magnetic hydrophilic microbeads

Serge Cosnier, Shou Nian Ding, Aymeric Pellissier, Karine Gorgy, Michael Holzinger, Briza Pérez López, Arben Merkoçi

Department of Chemistry

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

4 Citations (Scopus)

Abstract

The electrochemical polymerization of polypyrrole films onto magnetically immobilized hydrophilic microbeads was carried out. Poly(pyrrole-pyrene)- microbeads coatings display thus higher permeability in water towards the diffusion of ferrocyanide than a pure poly(pyrrole-pyrene) film. In addition, the modulation of this permeability through an applied magnetic field that attracts the microbeads on the electrode surface or pushes back them was shown. Moreover, a glucose biosensor was prepared by adsorbing and electropolymerizing on a platinum electrode, an aqueous mixture containing glucose oxidase, amphiphilic pyrrole monomer and microbeads attracted by a magnet. The presence of microbeads inside the biocoating, markedly increases the biosensor performance. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.

Original language	English
Pages (from-to)	887-890
Journal	Electroanalysis
Volume	21
Issue number	7
DOIs	https://doi.org/10.1002/elan.200804484
Publication status	Published - 1 Apr 2009

Keywords

Biosensor
Electropolymerized film
Magnetic microbeads
Permeability
Poly(pyrrole-pyrene)

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title = "Permeability improvement of electropolymerized polypyrrole films in water using magnetic hydrophilic microbeads",

abstract = "The electrochemical polymerization of polypyrrole films onto magnetically immobilized hydrophilic microbeads was carried out. Poly(pyrrole-pyrene)- microbeads coatings display thus higher permeability in water towards the diffusion of ferrocyanide than a pure poly(pyrrole-pyrene) film. In addition, the modulation of this permeability through an applied magnetic field that attracts the microbeads on the electrode surface or pushes back them was shown. Moreover, a glucose biosensor was prepared by adsorbing and electropolymerizing on a platinum electrode, an aqueous mixture containing glucose oxidase, amphiphilic pyrrole monomer and microbeads attracted by a magnet. The presence of microbeads inside the biocoating, markedly increases the biosensor performance. {\textcopyright} 2009 Wiley-VCH Verlag GmbH & Co. KGaA.",

keywords = "Biosensor, Electropolymerized film, Magnetic microbeads, Permeability, Poly(pyrrole-pyrene)",

author = "Serge Cosnier and Ding, {Shou Nian} and Aymeric Pellissier and Karine Gorgy and Michael Holzinger and L{\'o}pez, {Briza P{\'e}rez} and Arben Merko{\c c}i",

year = "2009",

month = apr,

day = "1",

doi = "10.1002/elan.200804484",

language = "English",

volume = "21",

pages = "887--890",

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Permeability improvement of electropolymerized polypyrrole films in water using magnetic hydrophilic microbeads. / Cosnier, Serge; Ding, Shou Nian; Pellissier, Aymeric; Gorgy, Karine; Holzinger, Michael; López, Briza Pérez; Merkoçi, Arben.

In: Electroanalysis, Vol. 21, No. 7, 01.04.2009, p. 887-890.

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

TY - JOUR

T1 - Permeability improvement of electropolymerized polypyrrole films in water using magnetic hydrophilic microbeads

AU - Cosnier, Serge

AU - Ding, Shou Nian

AU - Pellissier, Aymeric

AU - Gorgy, Karine

AU - Holzinger, Michael

AU - López, Briza Pérez

AU - Merkoçi, Arben

PY - 2009/4/1

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AB - The electrochemical polymerization of polypyrrole films onto magnetically immobilized hydrophilic microbeads was carried out. Poly(pyrrole-pyrene)- microbeads coatings display thus higher permeability in water towards the diffusion of ferrocyanide than a pure poly(pyrrole-pyrene) film. In addition, the modulation of this permeability through an applied magnetic field that attracts the microbeads on the electrode surface or pushes back them was shown. Moreover, a glucose biosensor was prepared by adsorbing and electropolymerizing on a platinum electrode, an aqueous mixture containing glucose oxidase, amphiphilic pyrrole monomer and microbeads attracted by a magnet. The presence of microbeads inside the biocoating, markedly increases the biosensor performance. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.

KW - Biosensor

KW - Electropolymerized film

KW - Magnetic microbeads

KW - Permeability

KW - Poly(pyrrole-pyrene)

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