个人简介

Ph.D. (1993) Georg-August University Gottingen and the Max-Planck-Institute for Molecular Physiology (Germany)

研究领域

Chemistry of Materials/Computational Chemistry and Biochemistry/Spectroscopy and Dynamics/Supramolecular Chemistry

NONLINEAR DYNAMICS AND COMPLEX KINETICS Oscillations and other periodic rhythms are common phenomena in physics and biology. Certain oscillations govern everyone??s life, such as day/night rhythm and heart beat. For a long time, chemists believed that their field of research was excluded from this pulsating universe. Today, however, we know that many reactions are more than simple one-way streets. Chemical systems can show oscillatory, quasiperiodic, or even chaotic behavior. More surprisingly, a large number of aqueous reaction media can form pr opagating waves which share intriguing features with propagating waves in neuronal or cardiac tissue. Thin layers of these reaction solutions generate macroscopic patterns such as rotating spiral waves (see the figure) that sometimes can be seen with the naked eye. The list of systems in which these rotating spirals have been observed is long and ranges from catalytic surfaces to heart muscles and brain tissue. Our group is studying these fascinating wave patterns in two different experimental systems. The first one is classical Belousov-Zhaboti

近期论文

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R. Makki and O. Steinbock, "Nonequilibrium Synthesis of Silica-Supported Magnetite Tubes and Mechanical Control of Their Magnetic Properties", J. Am. Chem. Soc. 134, 15519-15527, 2012. Z. Jim??nez and O. Steinbock, "tationary Vortex Loops Induced by Filament Interaction and Local Pinning in a Chemical Reaction-Diffusion System", Phys. Rev. Lett. 109, 098301, 1-4, 2012. Z. Jim??nez and O. Steinbock, "croll Wave Filaments Self-Wrap Around Unexcitable Heterogeneities", Phys. Rev. E 86, 036205, 1-9, 2012. R. Makki, L. Roszol, J. Pagano, and O. Steinbock, "Tubular Precipitation Structures: Materials Synthesis under Nonequilibrium Conditions", Phil. Trans. R. Soc. A 370, 2848-2865, 2012. L. Roszol and O. Steinbock, "Controlling the Wall Thickness and Composition of Hollow Precipitation Tubes", Phys. Chem. Chem. Phys. 13, 20100-20103, 2011. V. Pimienta, M. Brost, N. Kovalchuk, S. Bresch, and O. Steinbock, "Complex Shapes and Dynamics of Dissolving Drops of Dichloromethane", Angew. Chem. Int. Ed. 50, 10728?C10731, 2011 (highlighted by J. Kemsley in Chemical & Engineering News, p. 55, October 17, 2011). R. Makki and O. Steinbock, "ynthesis of Inorganic Tubes under Actively Controlled Growth Velocities and Injection Rates", J. Phys. Chem. C 115, 17046-17053, 2011. S. Dutta and O. Steinbock, "Topologically Mismatched Pinning of Scroll Waves", J. Phys. Chem. Lett. 2, 945-949, 2011. S. Dutta and O. Steinbock, "Spiral Defect Drift in the Wave Fields of Multiple Excitation Patterns", Phys. Rev. E 83, 056213, 2011..s