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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 7
BKCSDE 31(7)
July 20, 2010

Title	Propagating Spiral Waves Obtained in a Catalyst-Immobilized Gel Membrane by the Belousov-Zhabotinsky Reaction System
Author	Bong Seong Kim, Eun Ae Jo, C Basavaraja, Do Sung Huh*
Keywords	Spiral waves, Gel membrane, BZ reaction, Illumination
Abstract	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.
Page	1956 - 1962
Full Text	PDF

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