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The Structure of the Core of the Spiral Wave in the Belousov-Zhabotinskii Reaction
Abstract
The quantitative structure of the core of the spiral-shaped traveling wave of chemical activity appearing in a thin excitable layer of the Belousov-Zhabotinskii reaction, in which the oxidation and decarboxylation of malonic acid by bromate ions is catalyzed by ferroin, was analyzed experimentally. Light absorption by ferroin as the reduced reaction catalyst and indicator was measured by means of a video- and computer-based two-dimensional spectrophotometer with 10-micrometer spatial, 2-second temporal, and 256-digital units intensity resolution. The spiral core is a singular site (diameter, 30 micrometers or less) at which intensity modulations due to ferroin-ferriin distributions are at least ten times smaller than in the surrounding area of spiral propagation. Archimedian spirals were fitted to isoconcentration lines.
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Cited by
Stationary and drifting spiral waves of excitation in isolated cardiac muscle
Davidenko, J. M., Pertsov, A. V., Salomonsz, R., Baxter, W., & Jalife, J. (1992) · Nature · doi:10.1038/355349a0 · Cited by 1,256
Basic Mechanisms of Cardiac Impulse Propagation and Associated Arrhythmias
KLÉBER, A. G., & RUDY, Y. (2004) · Physiological Reviews · doi:10.1152/physrev.00025.2003 · Cited by 1,083
Singular perturbation theory of traveling waves in excitable media (a review)
Tyson, J. J., & Keener, J. P. (1988) · Physica D: Nonlinear Phenomena · doi:10.1016/0167-2789(88)90062-0 · Cited by 746
Materials learning from life: concepts for active, adaptive and autonomous molecular systems
Merindol, R., & Walther, A. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00738d · Cited by 533
Metadata
- Authors
- Müller, S. C., Plesser, T., & Hess, B.
- Venue
- Science
- Published
- 1985-11-08
- Volume
- 230
- Issue
- 4726
- Pages
- 661-663
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2006166456
- Cited by
- 202
- References
- 0
- FWCI
- 17.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Müller, S. C., Plesser, T., & Hess, B. (1985). The Structure of the Core of the Spiral Wave in the Belousov-Zhabotinskii Reaction. Science. https://doi.org/10.1126/science.230.4726.661
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