Apex of a V-shaped cut field acts as a pacemaker on an oscillatory system

Ikuko N. Motoike; Satoshi Nakata; Yasutaka Iguchi; Kaori K. Takemura; Kumiko Hayashi; Kenichi Yoshikawa

doi:10.1016/j.cplett.2010.03.046

Apex of a V-shaped cut field acts as a pacemaker on an oscillatory system

Ikuko N. Motoike, Satoshi Nakata, Yasutaka Iguchi, Kaori K. Takemura, Kumiko Hayashi, Kenichi Yoshikawa

Tohoku Medical Megabank Organization (ToMMo)

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

1 Citation (Scopus)

Abstract

The generation and propagation of chemical waves in the Belousov-Zhabotinsky (BZ) reaction were investigated using a cation-exchange membrane embedded with a metal catalyst as a 2-dimensional oscillatory/active field. We found that a target pattern is generated from the top of a V-shape, indicating that the apex on the boundary between active and passive fields behaves as a pacemaker. A Plausible mechanism for this phenomenon is proposed based on a reaction-diffusion equation.

Original language	English
Pages (from-to)	238-241
Number of pages	4
Journal	Chemical Physics Letters
Volume	490
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2010.03.046
Publication status	Published - 2010 Apr 26

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10.1016/j.cplett.2010.03.046

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abstract = "The generation and propagation of chemical waves in the Belousov-Zhabotinsky (BZ) reaction were investigated using a cation-exchange membrane embedded with a metal catalyst as a 2-dimensional oscillatory/active field. We found that a target pattern is generated from the top of a V-shape, indicating that the apex on the boundary between active and passive fields behaves as a pacemaker. A Plausible mechanism for this phenomenon is proposed based on a reaction-diffusion equation.",

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AU - Motoike, Ikuko N.

AU - Nakata, Satoshi

AU - Iguchi, Yasutaka

AU - Takemura, Kaori K.

AU - Hayashi, Kumiko

AU - Yoshikawa, Kenichi

PY - 2010/4/26

Y1 - 2010/4/26

N2 - The generation and propagation of chemical waves in the Belousov-Zhabotinsky (BZ) reaction were investigated using a cation-exchange membrane embedded with a metal catalyst as a 2-dimensional oscillatory/active field. We found that a target pattern is generated from the top of a V-shape, indicating that the apex on the boundary between active and passive fields behaves as a pacemaker. A Plausible mechanism for this phenomenon is proposed based on a reaction-diffusion equation.

AB - The generation and propagation of chemical waves in the Belousov-Zhabotinsky (BZ) reaction were investigated using a cation-exchange membrane embedded with a metal catalyst as a 2-dimensional oscillatory/active field. We found that a target pattern is generated from the top of a V-shape, indicating that the apex on the boundary between active and passive fields behaves as a pacemaker. A Plausible mechanism for this phenomenon is proposed based on a reaction-diffusion equation.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-6

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Apex of a V-shaped cut field acts as a pacemaker on an oscillatory system

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