Electrochemical nitric oxide microsensors based on two-dimensional cross-linked polymeric LB films of oligo(dimethylsiloxane) copolymer

Dai Kato; Masashi Kunitake; Matsuhiko Nishizawa; Tomokazu Matsue; Fumio Mizutani

doi:10.1016/j.electacta.2005.04.072

Electrochemical nitric oxide microsensors based on two-dimensional cross-linked polymeric LB films of oligo(dimethylsiloxane) copolymer

Dai Kato, Masashi Kunitake, Matsuhiko Nishizawa, Tomokazu Matsue, Fumio Mizutani

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

7 Citations (Scopus)

Abstract

Two-dimensional cross-linked polysiloxane Langmuir-Blodgett (LB) films were prepared and applied to nitric oxide (NO)-permselective membranes in order to block other electroactive interfering species. The cross-linked siloxane LB films deposited on platinum micro-disc electrodes (10 μm in diameter) offered revealing high performances as a permselective membrane for NO sensor such as high sensitivity to NO (detection limit, 40 nM) and high selectivity (e.g., the ratio of current response for acetaminophen or uric acid on the modified electrode to that on the bare electrode, less than 10^-3). Furthermore, the permselective membrane could be easily deposited irrespective of the size and shape of electrode.

Original language	English
Pages (from-to)	938-942
Number of pages	5
Journal	Electrochimica Acta
Volume	51
Issue number	5
DOIs	https://doi.org/10.1016/j.electacta.2005.04.072
Publication status	Published - 2005 Nov 10

Keywords

Langmuir-Blodgett film
Microsensor
Nitric oxide
Polysiloxane
Scanning electrochemical microscopy

ASJC Scopus subject areas

Chemical Engineering(all)
Electrochemistry

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title = "Electrochemical nitric oxide microsensors based on two-dimensional cross-linked polymeric LB films of oligo(dimethylsiloxane) copolymer",

abstract = "Two-dimensional cross-linked polysiloxane Langmuir-Blodgett (LB) films were prepared and applied to nitric oxide (NO)-permselective membranes in order to block other electroactive interfering species. The cross-linked siloxane LB films deposited on platinum micro-disc electrodes (10 μm in diameter) offered revealing high performances as a permselective membrane for NO sensor such as high sensitivity to NO (detection limit, 40 nM) and high selectivity (e.g., the ratio of current response for acetaminophen or uric acid on the modified electrode to that on the bare electrode, less than 10-3). Furthermore, the permselective membrane could be easily deposited irrespective of the size and shape of electrode.",

keywords = "Langmuir-Blodgett film, Microsensor, Nitric oxide, Polysiloxane, Scanning electrochemical microscopy",

author = "Dai Kato and Masashi Kunitake and Matsuhiko Nishizawa and Tomokazu Matsue and Fumio Mizutani",

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T1 - Electrochemical nitric oxide microsensors based on two-dimensional cross-linked polymeric LB films of oligo(dimethylsiloxane) copolymer

AU - Kato, Dai

AU - Kunitake, Masashi

AU - Nishizawa, Matsuhiko

AU - Matsue, Tomokazu

AU - Mizutani, Fumio

PY - 2005/11/10

Y1 - 2005/11/10

N2 - Two-dimensional cross-linked polysiloxane Langmuir-Blodgett (LB) films were prepared and applied to nitric oxide (NO)-permselective membranes in order to block other electroactive interfering species. The cross-linked siloxane LB films deposited on platinum micro-disc electrodes (10 μm in diameter) offered revealing high performances as a permselective membrane for NO sensor such as high sensitivity to NO (detection limit, 40 nM) and high selectivity (e.g., the ratio of current response for acetaminophen or uric acid on the modified electrode to that on the bare electrode, less than 10-3). Furthermore, the permselective membrane could be easily deposited irrespective of the size and shape of electrode.

AB - Two-dimensional cross-linked polysiloxane Langmuir-Blodgett (LB) films were prepared and applied to nitric oxide (NO)-permselective membranes in order to block other electroactive interfering species. The cross-linked siloxane LB films deposited on platinum micro-disc electrodes (10 μm in diameter) offered revealing high performances as a permselective membrane for NO sensor such as high sensitivity to NO (detection limit, 40 nM) and high selectivity (e.g., the ratio of current response for acetaminophen or uric acid on the modified electrode to that on the bare electrode, less than 10-3). Furthermore, the permselective membrane could be easily deposited irrespective of the size and shape of electrode.

KW - Langmuir-Blodgett film

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KW - Nitric oxide

KW - Polysiloxane

KW - Scanning electrochemical microscopy

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