| Research
Interests Our group studies collective
behavior of dynamic reaction systems with an
emphasis on dynamic complexity and spatiotemporal patterns
arising from interactions among rhythmic processes.
Electrochemical reactions including metal dissolution
and electrocatalytic reactions are studied both as model
systems and as important applications. We use individually
addressable arrays of electrodes to investigate phenomena
such synchronization, desyncronization, dynamical differentiation
and clustering of oscillating reactions.
An application in electrochemistry being investigated
is the role of interaction of local metastable pitting
events on the sudden onset of pitting corrosion.
Coupled rhythmic processes are also being studied in
complex biological systems. We are
investigating the mechanism of how individual cellular
units interact to produce complex collective behavior.
One study is directed toward understanding the role
of synchronization involved in neurological diseases
such as epilepsy.
We investigate the use of nonlinear feedback, constructed
with the help of experiment-based models, to design
complex dynamic structure and tune emergent
collective behavior in systems composed of many discrete
elements.
We actively collaborate with research groups in Materials
Science, Biology, and Neurology at the Medical School
as well as with groups at other universities and laboratories
in the United States and overseas.
Selected
Publications
Kiss, István Z., Mark Quigg, Shi-Hyung Chun, Hiroshi Kori, and John L. Hudson, "Characterization of synchronization in interacting groups of oscillators: application to seizures," Biophysical Journal 94, 1121-1130 (2008).
Kiss, I.Z.,
C. Rusin, H. Kori, J.L. Hudson, "Engineering Complex
Dynamical Structures: Sequential Patterns and Desynchronization,"
Science 316, 1886 (2007).
Punckt,
C., M. Bölscher, H.H. Rotermund, A.S. Mikhailov, L.
Organ, N. Budiansky, J. R. Scully, J. L. Hudson, "Sudden
Onset of Pitting Corrosion on Stainless Steel as a Critical
Phenomenon," Science 305, 1133-1136
(2004).
Kiss, I.Z., J.L. Hudson, "Emerging Chemical Complexity: Spontaneous and Engineered Structures," AIChE J. 49, 2234-41 (2003).
Kiss, I.Z., Y.M. Zhai, J.L. Hudson, "Emerging coherence in a population of chemical oscillators," Science 296, 1676-1678 (2002).
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