All Stories

  1. Interplay between ephaptic coupling and complex geometry of border zone during acute myocardial ischemia: Effect on arrhythmogeneity

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, March 2020, American Institute of Physics

    Alena Talkachova

  2. Improved Multiscale Entropy Technique with Nearest-Neighbor Moving-Average Kernel for Nonlinear and Nonstationary Short-Time Biomedical Signal Analysis

    Article • Journal of Healthcare Engineering, January 2018, Hindawi Publishing Corporation

    Alena Talkachova

  3. Computational and Mathematical Methods in Cardiovascular Diseases

    Article • Computational and Mathematical Methods in Medicine, January 2017, Hindawi Publishing Corporation

    Alena Talkachova

  4. Intermittent electrical stimulation of the right cervical vagus nerve in salt-sensitive hypertensive rats: effects on blood pressure, arrhythmias, and ventricular electrophysiology

    Article • Physiological Reports, August 2015, Wiley

    Alena Talkachova

  5. The role of short term memory and conduction velocity restitution in alternans formation

    Article • Journal of Theoretical Biology, February 2015, Elsevier

    Alena Talkachova

  6. Intermittent vagal nerve stimulation alters the electrophysiological properties of atrium in the myocardial infarction rat model

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Alena Talkachova

  7. P372Electrophysiological changes in chronic heart failure rat hearts induced by vagal nerve stimulation

    Article • Cardiovascular Research, June 2014, European Society of Cardiology

    Alena Talkachova

  8. Heart rate variability and alternans formation in the heart: The role of feedback in cardiac dynamics

    Article • Journal of Theoretical Biology, June 2014, Elsevier

    Alena Talkachova

  9. Miniaturized Radio Frequency Telemetric Pacemaker With Anti-Arrhythmic Pacing Protocol1

    Article • Journal of Medical Devices, April 2014, ASME International

    Alena Talkachova

  10. Using dominant eigenvalue analysis to predict formation of alternans in the heart

    Article • Physical Review E, November 2013, American Physical Society (APS)

    Alena Talkachova

  11. Spatiotemporal Evolution and Prediction of [Ca2+]iand APD Alternans in Isolated Rabbit Hearts

    Article • Journal of Cardiovascular Electrophysiology, July 2013, Wiley

    Alena Talkachova

  12. Intermittent Vagus Nerve Stimulation Reflexively Modulates Heart Rate Variability in Rats With Chronic Ischemic Heart Failure

    Article • Journal of Medical Devices, July 2013, ASME International

    Alena Talkachova

  13. Uncoupling the mitochondria facilitates alternans formation in the isolated rabbit heart

    Article • AJP Heart and Circulatory Physiology, May 2013, American Physiological Society

    Alena Talkachova

  14. The Effect of Feedback on Alternans Formation in the Heart

    Article • October 2012, ASME International

    Alena Talkachova

  15. Interventricular heterogeneity as a substrate for arrhythmogenesis of decoupled mitochondria during ischemia in the whole heart

    Article • AJP Heart and Circulatory Physiology, May 2012, American Physiological Society

    Alena Talkachova

  16. Visualizing the complex 3D geometry of the perfusion border zone in isolated rabbit heart

    Article • Applied Optics, May 2012, Optical Society of America (OSA)

    Alena Talkachova

  17. Nonlinear dynamics of periodically paced cardiac tissue

    Article • Nonlinear Dynamics, November 2011, Springer Science + Business Media

    Alena Talkachova

  18. The effect of cardiac sympathetic denervation through bilateral stellate ganglionectomy on electrical properties of the heart

    Article • AJP Heart and Circulatory Physiology, April 2011, American Physiological Society

    Alena Talkachova

  19. Toward Prediction of the Local Onset of Alternans in the Heart

    Article • Biophysical Journal, February 2011, Elsevier

    Alena Talkachova

  20. Local Onset of Voltage and Calcium Alternans in the Heart

    Article • January 2011, ASME International

    Alena Talkachova

  21. Mechanisms Underlying the Antifibrillatory Action of Hyperkalemia in Guinea Pig Hearts

    Article • Biophysical Journal, May 2010, Elsevier

    Alena Talkachova, Professor Jose Jalife

  22. Optical mapping of electrical heterogeneities in the heart during global ischemia

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Alena Talkachova

  23. Role of Conduction Velocity Restitution and Short-Term Memory in the Development of Action Potential Duration Alternans in Isolated Rabbit Hearts

    Article • Circulation, July 2008, Wolters Kluwer Health

    Alena Talkachova, Professor Jose Jalife

  24. Arrhythmogenic Mechanisms in a Mouse Model of Catecholaminergic Polymorphic Ventricular Tachycardia

    Article • Circulation Research, September 2007, Wolters Kluwer Health

    Alena Talkachova, Professor Jose Jalife

  25. The Rate- and Species-Dependence of Short-Term Memory in Cardiac Myocytes

    Article • Journal of Biological Physics, June 2007, Springer Science + Business Media

    Alena Talkachova

  26. Kir2.3 isoform confers pH sensitivity to heteromeric Kir2.1/Kir2.3 channels in HEK293 cells

    Article • Heart Rhythm, April 2007, Elsevier

    Alena Talkachova

  27. An Ionically Based Mapping Model with Memory for Cardiac Restitution

    Article • The Bulletin of Mathematical Biophysics, January 2007, Springer Science + Business Media

    Alena Talkachova

  28. Action Potential Duration Restitution Portraits of Mammalian Ventricular Myocytes: Role of Calcium Current

    Article • Biophysical Journal, October 2006, Elsevier

    Alena Talkachova, Professor Jose Jalife

  29. P6-6

    Article • Heart Rhythm, May 2006, Elsevier

    Alena Talkachova

  30. Restitution in mapping models with an arbitrary amount of memory

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, June 2005, American Institute of Physics

    Alena Talkachova

  31. The action potential duration restitution portraits of the periodically paced rabbit and guinea pig ventricular myocytes

    Article • Heart Rhythm, May 2005, Elsevier

    Alena Talkachova

  32. Rate-dependent propagation of cardiac action potentials in a one-dimensional fiber

    Article • Physical Review E, December 2004, American Physical Society (APS)

    Alena Talkachova

  33. Control of cardiac alternans in a mapping model with memory

    Article • Physica D Nonlinear Phenomena, July 2004, Elsevier

    Alena Talkachova

  34. The Restitution Portrait:. A New Method for Investigating Rate-Dependent Restitution

    Article • Journal of Cardiovascular Electrophysiology, June 2004, Wiley

    Dr Hana Maria Dobrovolny, Alena Talkachova

  35. Control of cardiac alternans in a mapping model with memory

    Article • Physica D Nonlinear Phenomena, May 2004, Elsevier

    Alena Talkachova

  36. Condition for alternans and its control in a two-dimensional mapping model of paced cardiac dynamics

    Article • Physical Review E, March 2004, American Physical Society (APS)

    Alena Talkachova

  37. Condition for alternans and stability of the 1:1 response pattern in a “memory” model of paced cardiac dynamics

    Article • March 2003, American Physical Society (APS)

    Alena Talkachova

  38. Analysis of the Fenton–Karma model through an approximation by a one-dimensional map

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, December 2002, American Institute of Physics

    Alena Talkachova

  39. Quasistationary regime of generation of Bclass laser with linear and nonlinear Bragg reflectors

    Article • January 2001, Optical Society of America (OSA)

    Alena Talkachova

  40. Spatial instability of counterpropagating waves in nonlinear distributed feedback structures

    Article • Physical Review A, September 1999, American Physical Society (APS)

    Alena Talkachova

  41. Mechanisms of polarization switching in single-transverse-mode vertical-cavity surface-emitting lasers:?thermal shift and nonlinear semiconductor dynamics

    Article • Optics Letters, August 1999, Optical Society of America (OSA)

    Alena Talkachova

  42. Polarization switching in single-transverse-mode VCSELs: thermal shift and nonlinear semiconductor dynamics

    Article • January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Alena Talkachova

  43. Spatial modulation of a light beam reflected from a nonlinear DFB-structure

    Article • Optics Communications, March 1998, Elsevier

    Alena Talkachova

  44. Effect of chirped laser pulse narrowing by reflection from a nonlinear DFB structure

    Article • Journal of Modern Optics, January 1998, Taylor & Francis

    Alena Talkachova

  45. Effects of Space Modulation of Laser Beams in a Nonlinear DFB-Structure

    Article • January 1996, Institute of Electrical & Electronics Engineers (IEEE)

    Alena Talkachova

  46. Theory of stationary generation of a laser with a nonlinear Bragg reflector

    Article • IEEE Journal of Quantum Electronics, January 1996, Institute of Electrical & Electronics Engineers (IEEE)

    Alena Talkachova

  47. The Distributed Feedback of Counter-propagating Waves in a Periodically Modulated Medium with Relaxing Cubic Nonlinearity

    Article • Journal of Modern Optics, November 1995, Taylor & Francis

    Alena Talkachova