Recent Publications

W. Krassowska, J. C. Neu, Theory of electroporation, In: Quantitative Cardiac Electrophysiology, I. Efimov, M. Kroll, P. Tchou, Eds., Springer, in press.
C. M. Berger, X. Zhao, D. G. Schaeffer, H. Dobrovolny, W. Krassowska, D. J. Gauthier, Period-doubling bifurcation to alternans in paced cardiac tissue: Crossover from smooth to border-collision characteristics, Phys. Rev. Lett., 99(058101): 1-4, 2007.
S. S. Kalb, J. J. Fox, E. Tolkacheva, D. J. Gauthier, W. Krassowska, Parameter estimation in cardiac mapping models, Phys. Rev. E, submitted.
C. M. Berger, X. Zhao, D. G. Schaeffer, H. Dobrovolny, W. Krassowska, D. J. Gauthier, Evidence for an unfolded border-collision bifurcation in paced cardiac tissue, Dynamics Days '07, 27th Annual International Conference on Chaos and Nonlinear Dynamics, Boston, MA, 2007, accepted.
W. Krassowska, S. S. Kalb, D. J. Gauthier, D. G. Schaeffer, The restitution portrait: A tool for developing models of heart rhythm dynamics, Dynamics Days '07, 27th Annual International Conference on Chaos and Nonlinear Dynamics, Boston, MA, 2007, accepted.
D. G. Schaeffer, J. W. Cain, D. J. Gauthier, S. S. Kalb, W. Krassowska, R. A. Oliver, Ei. G. Tolkacheva, An ionically based mapping model with memory for cardiac restitution, Bull. Math. Biol., accepted.
W. Krassowska and P. D. Filev, Modeling electroporation in a single cell, Biophys. J., accepted.
A. M. Pitruzzello, S. F. Idriss, W. Krassowska, Spatial heterogeneity of the restitution portrait in rabbit epicardium, Am. J. Physiol., accepted.
J. Cranford, W. Krassowska, Effects of ionic concentrations on density and size of pores created by electric pulses, Proceedings of the 2006 Annual Fall Meeting of the BMES, p. 418, 2006.
W. Krassowska, P. D. Filev, Electroporation in a single cell: Insight from the model, Proceedings of the 2006 Annual Fall Meeting of the BMES, p. 420, 2006.
J. C. Neu, W. Krassowska, Singular perturbation analysis of the pore creation transient, Phys. Rev. E, 74 (031917): 1-9, 2006.
X. Zhao, D. G. Schaeffer, C. M. Berger, D. J. Gauthier, W. Krassowska, Differentiation between smooth and nonsmooth period-doubling bifurcations in cardiac tissue, 6th Symposium on Understanding Complex Systems, Urbana, Illinois, May 15-18, 2006
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier, W. Krassowska, Border-collision bifurcations in a model of cardiac tissue, Eleventh Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, Blacksburg, VA, August 13-18, 2006.
J. C. Neu, W. Krassowska, Computationally efficient method of simulating creation of electropores, Bull. Am. Phys. Soc., 51: 247-248, 2006.
X. Zhao, D. G. Schaeffer, C. M. Berger, D. J. Gauthier, W. Krassowska, Theoretical analysis of smooth and nonsmooth period-doubling bifurcations in cardiac tissue, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
C. M. Berger, H. Dobrovolny, X. Zhao, D. G. Schaeffer, W. Krassowska, D. J. Gauthier, Investigating a period-doubling bifurcation in cardiac tissue under alternate pacing, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
A. M. Pitruzzello, S. F. Idriss, D. G. Gauthier, W. Krassowska, The restitution portrait reveals hidden heterogenetity in cardiac rhythm dynamics, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
C. M. Berger, H. Dobrovolny, D. G. Schaeffer, W. Krassowska, D. J. Gauthier, Evidence for a border-collision bifurcation in paced cardiac tissue, SESAPS, Gainesville, FL, Nov. 10-12, 2005.
N. Brown, D. J. Gauthier, P. D. Wolf, W. Krassowska, Design of a fiber-optic ratiometric system for recording cardiac action potentials, Scientific Sessions of the American Heart Assciation, Dallas, TX, Nov 13-16, 2005.
A. M. Pitruzzello, W. Krassowska, A. J. Lam S. F. Idriss, A multichannel fiber-optic mapping system for intramural recording cardiac action potentials, IFBME Proceedings, 11: 1973, 2005.
R. A. Oliver and W. Krassowska, Reproducing cardiac restitution properties using the Fenton-Karma membrane model, Ann. Biomed. Eng., 33: 907-911, 2005.
R. A. Oliver, C. S. Henriquez, W. Krassowska, Bistability and correlation with arrhythmogenesis in a model of the human right atrium, Ann. Biomed. Eng., 33: 577-589, 2005.
H. Dobrovolny, C. Berger, S. Kalb, S. Idriss, D. Schaeffer, W. Krassowska, D. Gauthier, Spatial heterogeneity of the restitution portrait correlates with alternans in paced cardiac tissue, Heart Rhythm, 2: S297, 2005.
A. M. Pitruzzello, S. S. Kalb, D. J. Gauthier, W. Krassowska, S. F. Idriss, The restitution portrait in rabbit epicardium reveals spatial heterogeneity in short-term memory, Heart Rhythm, 2: S299, 2005.
S. S. Kalb, E. Tolkacheva, D. G. Schaeffer, D. J. Gauthier, W. Krassowska, Restitution in mapping models with an arbitrary amount of memory Chaos, 15: (023701) 1-11, 2005.
C. M. Berger, H. Dobrovolny, S. S. Kalb, S. F. Idriss, D. G. Schaeffer, D. J. Gauthier, W. Krassowska, Investigating a period-doubling bifurcation in cardiac tissue using alternate pacing Bull. Am. Phys. Soc., 50, L21.0002, 2005.
Elena G. Tolkacheva, Soma S. Kalb, Hana Dobrovolny, Salim F. Idriss, Daniel J. Gauthier, and Wanda Krassowska, Restitution portrait as a new technique for investigating restitution properties of periodically-paced cardiac tissue, SIAM Conference on the Life Sciences, July 11-14, 2004, Portland, OR.
H. Dobrovolny, S. Kalb, R. Oliver, E. Tolkacheva, W. Krassowska, and D. Gauthier, Conduction velocity dispersion in cardiac tissue, The 2004 CAP (Canadian Association of Physicists) Congress Winnipeg, Manitoba June 13-16, 2004.
H. Dobrovolny, R. Oliver, S. Sau, E. Tolkacheva, D. Schaeffer, W. Krassowska, and D. Gauthier, Action potential and conduction velocity restitution in cardiac tissue, Bull. Am. Phys. Soc., 49, 2004.
S. S. Kalb, E. Tolkacheva, R. A. Oliver, D. G. Schaeffer, W. Krassowska, Investigation of a cardiac mapping model using the restitution portrait, Proceedings of the 2004 BMES Annual Fall Meeting, 7, 2004.
R. A. Oliver, A. W. Wood, S. S. Kalb, W. Krassowska, Restitution portrait in Luo-Rudy-dynamic cardiac membrane model, Proceedings of the 2004 BMES Annual Fall Meeting, 16, 2004.
S. S. Kalb, H. Dobrovolny, E. Tolkacheva, S. F. Idriss, W. Krassowska, and D. J. Gauthier, The restitution portrait: A new method for investigating rate-dependent restitution, J. Cardiovasc. Electrophysiol., 15: 698-709, 2004.
K. C. Smith, J. C. Neu, and W. Krassowska, Model of creation and evolution of stable macropores for DNA delivery Biophys. J., 86: 2813-2826, 2004.

Send comments to wanda.krassowska@duke.edu
Last updated February 24, 2005