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The members of our research group have published literally hundreds of papers over the past several decades. Some of the achievements in which we take the greatest pride are detailed in the papers listed below.
The members of our research group have published literally hundreds of papers over the past several decades. Some of the achievements in which we take the greatest pride are detailed in the papers listed below.
Recipe for the thoroughly studied oscillating chemical reaction (BZ reaction), where malonic acid replaces the citric acid of Belousov’s original recipe. Some parts of the mechanism of oscillations are elucidated:
A. M. Zhabotinsky, “Periodical oxidation of malonic acid in solution (a study of the Belousov reaction kinetics),” Biofizika, 9, 306-311 (1964).
Description of the mechanism of the BZ reaction, and a set of related reactions with various reductants and catalysts:
A. M. Zhabotinsky, “Periodic liquid phase reactions,” Proc. Ac. Sci. USSR, 157, 392-395 (1964).
First observation of periodic chemical waves in a homogeneous reaction-diffusion system:
A. N. Zaikin and A. M. Zhabotinsky, “Concentration wave propagation in two-dimensional liquid phase self oscillating system,” Nature, 225, 535-537 (1970).
First systematically designed oscillating chemical reaction:
P. De Kepper, K. Kustin and I. R. Epstein, "A Systematically Designed Homogeneous Oscillating Reaction: The Arsenite-Iodate-Chlorite System," J. Am. Chem. Soc. 103, 2133-2134 (1981).
Identification of the simplest reaction underlying the BZ and related bromate-based oscillators:
M. Orbán, P. De Kepper and I. R. Epstein, "Minimal Bromate Oscillator: Bromate-Bromide-Catalyst," J. Am. Chem. Soc. 104, 2657-2658 (1982).
First experimental demonstration of the phenomenon of birhythmicity (two different modes of oscillation under the same conditions) in a chemical system:
M. Alamgir and I. R. Epstein, "Birhythmicity and Compound Oscillation in Coupled Chemical Oscillators: Chlorite-Bromate-Iodide System," J. Am. Chem. Soc. 105, 2500-2502 (1983).
Experimental demonstration and explanation of the fact that the rate of propagation of chemical waves is affected by gravity:
I. Nagypál, G. Bazsa and I. R. Epstein, "Gravity-Induced Anisotropies in Chemical Waves," J. Am. Chem. Soc. 108, 3635-3640 (1986).
Discovery that coupling chemical oscillators can cause oscillations to disappear (or to appear) and can lead to multiple modes of entrained oscillation:
M. F. Crowley and I. R. Epstein, "Experimental and Theoretical Studies of a Coupled Chemical Oscillator: Phase Death, Multistability and In- and Out-of-Phase Entrainment," J. Phys.Chem. 93, 2496-2502 (1989).
Explanation (Lengyel-Epstein model) of how patterns arise in the first experimental example of Turing patterns in a chemical system:
I. Lengyel and I. R. Epstein, "Modeling of Turing Structures in the Chlorite-Iodide-MalonicAcid-Starch Reaction System," Science 251, 650-652 (1991).
Method for designing chemical systems that can display Turing patterns:
I. Lengyel and I. R. Epstein, "A Chemical Approach to Designing Turing Patterns in Reaction-Diffusion Systems," Proc. Natl. Acad. Sci. USA. 89, 3977-3979 (1992).
Demonstration that refracted chemical waves obey Snell’s Law, but reflected waves do not show specular reflection like electromagnetic waves:
A. M. Zhabotinsky, M. D. Eager and I. R. Epstein, "Refraction and Reflection of Chemical Waves," Phys. Rev. Lett. 71, 1526-1529 (1993).
Demonstration that complex patterns can arise in realistic chemical models from the short wave instability:
A. M. Zhabotinsky, M. Dolnik and I. R. Epstein, "Pattern Formation Arising from Wave Instability in a Simple Reaction-Diffusion System," J. Chem. Phys. 103, 10306-10314 (1995).
Development of a new bubble-free oscillating reaction for studying pattern formation:
K. Kurin-Csörgei, A. M. Zhabotinsky, M. Orbán and I. R. Epstein, "Bromate-1,4- Cyclohexanedione-Ferroin Gas-free Oscillating Reaction. I. Basic Features and Crossing Wave Patterns in a Reaction Diffusion System without Gel," J. Phys. Chem. 100, 5393-5397 (1996).
Demonstration that Turing patterns can be manipulated and controlled by light:
A. K. Horváth, M. Dolnik, A. Muñuzuri, A. M. Zhabotinsky and I. R. Epstein, “Control of Turing Structures by Periodic Illumination,” Phys. Rev. Lett. 83, 2950-2952 (1999).
Demonstration that oscillatory cluster patterns arise in a homogeneous chemical system with global feedback:
V. K. Vanag, L. Yang, M. Dolnik, A. M. Zhabotinsky and I. R. Epstein, " Oscillatory cluster patterns in a homogeneous chemical system with global feedback", Nature 406, 389-391 (2000).
Discovery of inwardly rotating spirals (anti-spirals) in the BZ reaction in a reverse microemulsion:
V. K. Vanag and I. R. Epstein, “Inwardly Rotating Spiral Waves in a Reaction-Diffusion System,” Science 294, 835-837 (2001).
Method for design of chemical oscillators based on elements with a single stable oxidation state:
K. Kurin-Csörgei, M. Orbán and I. R. Epstein, “Systematic Design of Chemical Oscillators Using Complexation and Precipitation Equilibria,” Nature 433, 139-142 (2005).
Constructing a "chemical memory" using a reaction-diffusion system:
A. Kaminaga, V. K. Vanag, and I. R. Epstein, “A reaction-diffusion memory device,” Angew. Chem. Int. Ed. 45, 3087-3089 (2006).
Three-dimensional Turing patterns:
T. Bánsági Jr., V. K. Vanag and I. R. Epstein, “Tomography of Reaction-Diffusion Microemulsions Reveals Three-Dimensional Turing Patterns,” Science 331, 1309-1312 (2011).
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