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The design of Turing patterns in solution chemistry

De Kepper, P; Szalai, I; Cuiñas, D; Horváth, J (Centre national de la recherche scientifique)
Friday 16 March 2012, 16:50-17:40



Twenty-two years ago, the first experimental observation of the stationary symmetry breaking reaction-diffusion patterns, predicted by Alan Turing, was made. It boosted theoretical and experimental studies in this field. Though a considerable variety of patterns had been found after that first observation, the number of isothermal reactions producing such patterns was limited to only two for fifteen years. Recently, we proposed an effective method for producing stationary and non-stationary symmetry breaking patterns in open spatial reactors. In the last three years, stationary reaction-diffusion patterns have been found in four new reactions. Among these, two are for the first time not based on oxihalogen chemistry. We shall briefly present this design method and give an overview of experimental contributions in the field.

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