Publications

Undergraduate students indicated by *

Peer Reviewed Journal Articles

Publications as Faculty Member

Stankevich, N., E. Hellen and E. Volkov. (2019) Self-Organized Quasiperiodicity and Multistability in Dynamical Systems of different Nature. 2019 3rd School on Dynamics of Complex Networks and their Application in Intellectual Robotics (DCNAIR), Innopolis, Russia, pp. 169-171. doi: 10.1109/DCNAIR.2019.8875600

Hellen, Edward H., and Volkov, Evgeny. (2018) How to couple identical ring oscillators to get quasiperiodicity, extended chaos, multistability, and the loss of symmetry. Comm. Nonlin. Sci. Num. Sim. 62, 462-479. 10.1016/j.cnsns.2018.03.006

Hellen, E.H., Kurths, J., and Dana, S.K. (2017) Electronic circuit analog of synthetic genetic networks: Revisited. Eur. Phys. J. Spec. Top. 226: 1811-1828. 10.1140/epjst/e2016-60396-5

Hellen, Edward H., and Volkov, Evgeny. (2017) Flexible dynamics of two quorum-sensing coupled repressilators. Phys. Rev. E, 95, 022408. 10.1103/PhysRevE.95.022408

Hellen, Edward H.; Dana, Syamal K.; Kurths, Juergen; Kehler*, Elizabeth; Sinha, Sudeshna. (2013) Noise-Aided Logic in an Electronic Analog of Synthetic Genetic Networks. PLOS ONE 8 (10), e76032, OCT 4 2013 10.1371/journal.pone.0076032

Hellen, Edward H.; Dana, Syamal K.; Zhurov, Boris; Volkov, Evgeny. (2013) Electronic Implementation of a Repressilator with Quorum Sensing Feedback. PLOS ONE 8 (5), e62997, MAY 2 2013 10.1371/journal.pone.0062997

Hellen EH, Volkov E, Kurths J, Dana SK. (2011) An Electronic Analog of Synthetic Genetic Networks. PLOS ONE 6 (8), e23286, AUG 4 2011 10.1371/journal.pone.0023286

Lancaster*, J.L., E.M. Leise, and E.H. Hellen. (2010) Modeling Excitable Systems: Reentrant Tachycardia. Am. J. Phys. 78, 56-63. at ResearchGate

Hellen, E.H., and M.J. Lanctot*. (2007) Nonlinear damping of the LC circuit using anti-parallel diodes. Am. J. Phys. 75, 326-330. at ResearchGate

Hellen, E.H. (2005) Padé-Laplace analysis of signal averaged voltage decays obtained from a simple circuit. Am. J. Phys. 73, 871-875. at ResearchGate

Hellen, E.H. (2004) Real-time finite difference bifurcation diagrams from analog electronic circuits. Am. J. Phys. 72, 499-502. at ResearchGate

Hellen, E.H. (2003) Verifying the diode-capacitor circuit voltage decay. Am. J. Phys. 71, 797-800. at ResearchGate

Publications as Post-doc

Roettger, B.F., E.H. Hellen, T.P. Burghardt, and L.J. Miller. (2001) Multiple ligand and cell-dependent states of lateral mobility of plasmalemmal G protein-coupled cholecystokinin receptors. J. Fluorescence. 11:237-246.

Hellen, E.H., B. Yacono, and P.R. Pratap. (1998) Transient kinetics and thermodynamics of anthroylouabain binding to Na/K-ATPase. Biophysical Chemistry 71, 245-253.

Hellen, E. H., and P.R. Pratap. (1997) Nucleotide binding to IAF-labeled Na⁺/K⁺-ATPase measured by steady state fluorescence quenching by TNP-ADP. Biophysical Chemistry 69, 107-124.

Pratap, P.R., E.H. Hellen, A. Palit, and J.D. Robinson. (1997) Transient kinetics of substrate binding to Na⁺/K⁺-ATPase measured by fluorescence quenching. Biophysical Chemistry 69, 137-151.

Hellen, E. H., K. Ajtai, and T. P. Burghardt. 1995. Myosin head rotation in muscle fibers measured using polarized fluorescence photobleaching recovery. J. Flourescence 5, 355-367.

Roettger, B. F., R. U. Rentsch, E. M. Hadac, E. H. Hellen, T. P. Burghardt, and L. J. Miller. 1995. Insulation of a G-protein-coupled receptor on the plasmalemmal surface of the pancreatic acinar cell. J. Cell Biol. 130, 579-590.

Hellen, E. H., and T. P. Burghardt. 1994. Saturation effects in polarized fluorescence photobleaching recovery and steady state fluorescence polarization. Biophys. J. 66, 891-897.

Publications during Graduate School

Hellen, E. H., and D. Axelrod. 1991. Kinetics of epidermal growth factor/receptor binding on cells measured by total internal reflection/fluoresence recovery after photobleaching. J. Fluorescence 1, 113-128. at ResearchGate

Hellen, E. H., and D. Axelrod. 1990. An automatic focus-hold system for optical microscopes. Rev. Sci. Instrum. 61, 3722-3725. at ResearchGate

Hellen, E. H., and D. Axelrod. 1987. Fluorescence emission at dielectric and metal-film interfaces. J. Opt. Soc. Am. B 4, 337-350. at ResearchGate

Non-refereed Publications

Hellen, E.H., and J.K. Thomas*. 2010. Prediction and measurement of transient responses of first difference based chaos control for 1-dimensional maps. Eprint: http://arxiv.org/abs/0807.2637

Book Chapters and Meeting Proceedings

Hellen, E.H., Dana, S.K., Zhurov, B., Volkov, E. 2012. Electronic repressilator with quorum sensing feedback. Proceedings of Nonlinear Dynamics of Electronic Systems, NDES 2012, 6293788, pp. 198-201.

Hellen, E.H., B. Yacono, and P.R. Pratap. 2000. Kinetics and thermodynamics of enzyme-ouabain interactions. In: Na/K-ATPase and Related ATPases, ed. Taniguchi and Kaya, Elsevier Science. 729-732.

Hellen, E.H., and P.R. Pratap. 1997. Fluorescence quenching of IAF-Na/K ATPase via energy transfer to TNP labeled nucleotide. Ann-N-Y-Acad-Sci. 834, 439-441.

Pratap, P.R., E.H. Hellen, and A. Palit. 1997. Binding of TNP-ATP to IAF-labeled Na⁺/K⁺-ATPase as examined by fluorescence quenching. Ann-N-Y-Acad-Sci. 834, 445-448.

Axelrod, D., E. H. Hellen, and R. M. Fulbright. 1992. Total internal reflection fluorescence. In: Topics in Fluorescence Spectroscopy, Vol. 3, Biochemical Applications, ed. J. Lakowicz, Plenum Press, pp. 289-343. pdf

Axelrod, D., and E. H. Hellen. 1989. Emission of fluorescence at an interface. In: Fluorescence Microscopy of Living Cells in Culture, ed. L. Taylor, Meth. Cell Biol. 30, Academic Press, pp. 399-416.

Hellen, E. H., R. M. Fulbright, and D. Axelrod. 1988. Total internal reflection fluorescence: theory and applications at biosurfaces. In: Spectroscopic Membrane Probes, ed. L. Loew, CRC, Boca Raton, pp. 47-79.

Axelrod, D., E. H. Hellen, and R. M. Fulbright. 1987. Biomolecular motion on surfaces and membranes. In: Lasers in Medicine, eds. S. N. Jaffe, J. A. Parrish and R. S. Scott, Proc. SPIE 712, 144-148.

Axelrod, D., R. M. Fulbright, and E. H. Hellen. 1986. Adsorption kinetics on biological membranes: Measurement by total internal reflection fluorescence. In: Applications of Fluorescence in the Biomedical Sciences, eds. L. Taylor, A. S. Waggoner, F. Lanni, R. F. Murphy and R. Birge, Alan R. Liss, NY, pp. 461-467.