Size-Dependent Belousov−Zhabotinsky Oscillation in Small Beads

Yoshikawa, Kunio; Aihara, Ryoichi; Agladze, Konstantin

doi:10.1021/jp982136d

Cited by 49 publications

(55 citation statements)

References 17 publications

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“…In our experimental system, D z % 0, since the catalyst is fixed on the ion-exchange membrane [5,8,9]. field in a simple manner, we replace D x r 2 x with Àcx.…”

Section: Discussionmentioning

confidence: 99%

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

Motoike

Nakata

Iguchi

et al. 2010

Chemical Physics Letters

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a b s t r a c tThe 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.Ó

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“…In our experimental system, D z % 0, since the catalyst is fixed on the ion-exchange membrane [5,8,9]. field in a simple manner, we replace D x r 2 x with Àcx.…”

Section: Discussionmentioning

confidence: 99%

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

Motoike

Nakata

Iguchi

et al. 2010

Chemical Physics Letters

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“…As is shown in section2.2.3, adroplet of Br 2 aqueous solution swims in am onoolein (MO) squalane solution, due to the brominating reactionofMO. [132] Moreover,b ifurcation in the modes of reaction can be observed. [23,24,124] Therefore, ad ropleto fB Z solution also obtains ad riving force in aM Os qualane solution.…”

Section: Introduction Of Nonlinear Chemical Reactionsmentioning

confidence: 99%

Evolution of Self‐Propelled Objects: From the Viewpoint of Nonlinear Science

Suematsu

Nakata

2018

Chemistry A European J

103

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A variety of moving objects driven by chemical energy have been reported. In this Minireview, we focus on self-propelled objects driven by interfacial tension and explain three types of basic mechanisms for such self-propelled motion, that is, driven by a) surface tension difference, b) contact angle difference, and c) axisymmetric swirling flow in a droplet. Simple behavior induced from the basic mechanisms is then extended by coupling to a chemical reaction or increasing the number of moving objects. Even though the chemicals used here are still simple, the extended systems could show characteristic nonlinear behavior, such as reciprocating motion, oscillatory motion, and spatiotemporal pattern formation. Combining the dynamical information about these characteristic motions with the knowledge of molecular structures will lead to the development of more advanced self-propelled objects. We believe this Minireview can help chemists in investigating self-propelled objects displaying various functional motions observed in a biological system.

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“…Maselko et al studied regular and irregular spatial wave behaviors in BZ reaction systems with ferroin catalyst of varying cation-exchange resin sizes and concentrations of the reaction solution. 20 Meanwhile, Yoshikawa et al reported how the oscillating frequency in a single particle relies on bead size with a similar experimental system to that presented in the study of Maselko et al 21 Kurin-Csörgei, Szalai, and Körös reported pattern formation in CO 2 gas free bromate-1,4-cyclohexanedione-ferroin oscillating reaction system. 22 The absence of gas production makes this system an attractive candidate for investigating chemical wave formation.…”

Section: Introductionmentioning

confidence: 75%

Propagating Spiral Waves Obtained in a Catalyst-Immobilized Gel Membrane by the Belousov-Zhabotinsky Reaction System

Kim¹,

Jo²,

Basavaraja³

et al. 2010

Bulletin of the Korean Chemical Society

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The formation of diverse spiral waves was studied in a polyacrylamide gel membrane with ruthenium(4-vinyl-4'-methyl-2,2'-bipyridine)bis(2,2'-bipyridine)bis(hexafluorophosphate) by a gas-free Belousov-Zhabotinisky (BZ) reaction system containing 1,4-cyclohexanedione (1,4-CHD). The gel membrane was found to be receptive for observing propagating waves since a clearer wave-train is obtained during a long reaction time without any disturbance from the immobilized metal catalyst which can be dissolved into the highly acidic solution of the BZ system. The distinctive waves in the system basically depend on both BrO3  and 1,4-CHD in the initial phase, and are influenced by the intensity of illumination of visible light.

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Size-Dependent Belousov−Zhabotinsky Oscillation in Small Beads

Cited by 49 publications

References 17 publications

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

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

Evolution of Self‐Propelled Objects: From the Viewpoint of Nonlinear Science

Propagating Spiral Waves Obtained in a Catalyst-Immobilized Gel Membrane by the Belousov-Zhabotinsky Reaction System

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