Post-retirement Publications

  • Walz, D. and Caplan, S.R. Nonequilibrium thermodynamics and kinetics. (1995) In: Caplan, S.R., Miller,I.R., and Milazzo, G. (eds.) "Bioelectrochemistry: Principles and Practice, Vol. 1. Bioelectrochemistry: General Introduction", Birkhäuser Verlag, Basel, pp. 1-48.
  • Walz, D., Caplan, S.R., Scriven, D.R.L., and Mikulecky, D.C. Methods of mathematical modelling. (1995) In: Caplan, S.R., Miller,I.R., and Milazzo, G. (eds.) "Bioelectrochemistry: Principles and Practice, Vol. 1. Bioelectrochemistry: General Introduction", Birkhäuser Verlag, Basel, pp. 49-131.
  • Raif-Preminger, M., Caplan, S.R., and Yuli, I. (1995) Temporal segregation in signalling: a novel mechanism in human neutrophils. Biochim. Biophys. Acta 1265: 49-54.
  • Welch, M., Margolin, Y., Caplan, S.R., and Eisenbach, M. (1995) Rotational asymmetry of Escherichia coli flagellar motor in the presence of arsenate. Biochim. Biophys. Acta 1268: 81-87.
  • Kara-Ivanov, M., Eisenbach, M., and Caplan, S.R. (1995) Fluctuations in rotation rate of the flagellar motor of Escherichia coli. Biophys. J. 69: 250-263.
  • Walz, D. and Caplan, S.R. (1995) Chemical oscillations arise solely from kinetic nonlinearity and hence can occur near equilibrium. Biophys. J. 69: 1698-1707.
  • Turner, L., Caplan, S.R., and Berg, H.C. (1996) Temperature-induced switching of the bacterial flagellar motor. Biophys. J. 71: 2227-2233.
  • Prasad, K., Caplan, S.R., and Eisenbach, M. (1998) Fumarate modulates bacterial flagellar rotation by lowering the free energy difference between the clockwise and counterclockwise states of the motor. J. Mol. Biol. 280: 821-828.
  • Wagner, C., Caplan, S.R., and Tannenbaum, G.S. (1998) Genesis of the ultradian rhythm of GH secretion: a new model unifying experimental observations in rats. Am. J. Physiol. 275 (Endocrinol. Metab. 38): E1046-E1054.
  • Walz, D. and Caplan, S.R. (1998) An electrostatic model of the bacterial flagellar motor. Bioelectrochem. and Bioenergetics, 47: 19-24.
  • Eisenbach, M. and Caplan, S.R. (1998) Bacterial chemotaxis: Unsolved mystery of the flagellar switch. Current Biology 8: R444-R446.
  • Caplan, S.R. and Walz, D. (1999) The bacterial flagellar motor: a brief review of models, and a new electrostatic model. In: Bersani, F. (ed.) "Electricity and Magnetism in Biology and Medicine", Plenum, N.Y., pp. 251-254.
  • Walz, D. and Caplan, S.R. An electrostatic mechanism closely reproducing observed behavior in the bacterial flagellar motor. Biophys. J. 78, 626-651 (2000).
  • Caplan, S.R. and Johnstone, R.M. (2001). Non-equilibrium thermodynamics and kinetics of the multidrug transporter. In: Raffa, R.B. (ed.) "Drug-Receptor Thermodynamics: Introduction and Applications", Wiley, N.Y., pp. 701-740.
  • Walz, D. and Caplan, S.R. (2002). Bacterial flagellar motor and H+/ATP synthase: two proton-driven rotary molecular devices with different functions. Bioelectrochemistry 55, 89-92.
  • Fabro, G., Rovasio, R.A., Civalero, S., Frenkel, A., Caplan, S.R., Eisenbach, M., and Giojalas, L.C. (2002). Chemo-taxis of Capacitated Rabbit Spermatozoa to Follicular Fluid R evealed by a Novel Directionality-Based Assay. Biology of Reproduction 67, 15651571.
  • Walz, D. and Caplan, S.R. (2005). A Kinetic and Stochastic Analysis of Crossbridge-Type Stepping Mechanisms in Rotary Molecular Motors. Biophys. J. 89, 1650-1656.
  • Gakamsky, A., Schechtman, E., Caplan, S.R., and Eisenbach,M. (2008) Analysis of chemotaxis when the fraction of responsive cells is small - application to mammalian sperm guidance. Int. J. Dev. Biol. 52, 481-487.
  • Wagner, C., Caplan, S.R., and Tannenbaum, G.S. (2009). Interactions of ghrelin signaling pathways with the GH neuroendocrine axis: a new and experimentally tested model. J. Molec. Endocrinology 43, 105–119
  • Caplan,  S.R.,Tannenbaum, G.S., and Johnstone, R.M. (2010). An enzymatic model of the growth hormone-releasing hormone oscillator incorporating neuronal synchronization. J. Theor. Biol. 264(3), 984-9.
  • Zarbiv, G., Li, H., Wolf, A., Cecchini, G., Caplan, S.R., Sourjik, V., and Eisenbach, M. (2012). Energy complexes are apparently associated with the switch–motor complex of bacterial flagella. J. Mol. Biol. 416, 192–207.
  •  Armon, L., Caplan, S.R., Eisenbach, M., and Friedrich, B.M. (2012). Testing human sperm chemotaxis: How to detect biased motion in population assays. PLoS ONE 7(3): e32909. doi:10.1371/journal.pone.0032909.
  •  Bahat A, Caplan SR, Eisenbach M  (2012). Thermotaxis of Human Sperm Cells in Extraordinarily Shallow Temperature Gradients Over a Wide Range. PLoS ONE 7(7): e41915. doi:10.1371/journal.pone.0041915.