Publications
  1. D. L. Koch, W. J. Rosoff, J. Jian, H. M. Geller, J. S. Urbach, "Strength in the periphery: Growth Cone Biomechanics and Substrate Rigidity Response in Peripheral and Central Nervous System Neurons", Biophysical Journal, in press.

  2. C. Holland, J. S. Urbach, D. L. Blair, "Direct visualization of shear dependent silk fibrillogenesis", Soft Matter (2012).

  3. R. Arevalo, J. S. Urbach, D. L. Blair, "Four-dimensional structural dynamics of sheared collagen networks", Chaos, 21, 041102 (2011).

  4. R. Arevalo, J. S. Urbach, D. L. Blair, "Size-dependent rheology of type-1 collagen networks", Biophysical Letter, Biophysical Journal, 99, L65 (2010).

  5. T. N. Kelly, I. Chen, P. Kumar, Y. Katagiri, K. Vartanian, E. Capuani, T. Thach, W. Rosoff, H. Wang, H. Geller, J. S. Urbach, "Localized Alteration of Microtubule Polymerization at Inhibitory Boundaries", J. Neuroscience Research, 88 3024 (2010).

  6. D.R.Sisan, D. Yarar, C. M. Waterman, J. S. Urbach, "Event ordering in live cell imaging determined from temporal cross correlation asymmetry", Biophysical Journal, 98, 2432 (2010).

  7. A.E. Lobkovsky, F. Vega Reyes, J. S. Urbach, "The effects of forcing and dissipation on phase transitions in thin granular layers", European Physical Journal-Special Topics, 179, 278 (2009).

  8. F. Vega Reyes and J. S. Urbach, "Steady base states for Navier-Stokes granular hydrodynamics with boundary heating and shear", J. Fluid Mechanics, 636, 279 (2009).

  9. C. E. Graves, R. McAllister, W. J. Rosoff, and J. S. Urbach, "Optical neuronal guidance in three dimensional matrices", J. Neuroscience Methods, 179, 278 (2009).

  10. W. J. Rosoff, R. G. McAllister, G. J. Goodhill, and J. S. Urbach, "Quantitative Studies of Neuronal Chemotaxis in 3D", Methods in Molecular Biology: Chemotaxis, 571, 2390254 (2009).

  11. M Cabrera, J Natarajan, M Paguio, C. Wolf, J.S. Urbach and Paul D. Roepe, " Chloroquine Transport in Plasmodium falciparum. 1. Influx and Efflux Kinetics for Live Trophozoite Parasites Using a Novel Fluorescent Chlorquine Probe." Biochemistry 48, 9471 (2009).

  12. R. McAllister, D. R. Sisan, and J. S. Urbach, "Design and optimization of a high-speed, high-sensitivity, spinning disk confocal microscopy system", J. Biomedical Optics 13, 054058 (2008).

  13. F. Vega Reyes and J. S. Urbach, "Effect of inelasticity on the phase transitions of a thin vibrated granular layer", Phys. Rev. E, 78, 051301 (2008)

  14. I. S. Aranson, A. Snezhko, J. S. Olafsen, J. S. Urbach; Comment on "Long-Lived Giant Number Fluctuations in a Swarming Granular Nematic", Science 320, 212 (2008).

  15. P. Melby, A. Prevost, D. A. Egolf and J. S. Urbach,"The depletion force in a bi-disperse granular layer" Phys. Rev. E 76, 051307 (2007).

  16. D. R. Sisan, R. Arevalo, C. Graves, R. McAllister, and J. S. Urbach, "Spatially-resolved fluorescence correlation spectroscopy using a spinning disk confocal microscope", Biophysical Journal 91, 4241-4252 (2006).

  17. Bojana Gligorijevic, Ryan McAllister, J. S. Urbach and Paul D. Roepe, "Spinning disk confocal microscopy of live intraerythrocytic malarial parasites I: Quantification of hemozoin development for drug sensitive vs. resistant malaria", Biochemistry 45, 12400-10 (2006).

  18. Bojana Gligorijevic, Tyler Bennett, Ryan McAllister, J. S. Urbach and Paul D. Roepe, "Spinning disk confocal microscopy of live intraerythrocytic malarial parasites II: Altered vacuolar volume regulation in drug resistant malaria", Biochemistry 45, 12411-23 (2006).

  19. J. S. Olafsen and J. S. Urbach,"Two dimensional melting far from equilibrium in a granular monolayer", Phys. Rev. Lett. 95, 098002-1-4 (2005).

  20. W. J. Rosoff, R. G. McAllister, M. A. Esrick, G. J. Goodhill, and J. S. Urbach "Generating controlled molecular gradients in 3D gels'', Biotechnology and Bioengineering, 91, 754-9. (2005).

  21. P. Melby, F. Vega Reyes, A. Prevost, R. Robertson, P. Kumar, D. A. Egolf, and J. S. Urbach,"The dynamics of thin vibrated granular layers", J. Phys. Cond. Mat. 17, S2689-S2704 (2005).

  22. J. Xu, W. J. Rosoff, J. S. Urbach, G. J. Goodhill," Adaptation is not required to explain the long-t erm response of axons to molecular gradients", Development 132, 4545-52 (2005).

  23. A. Pomerance, J. Mathews, M. Ferguson, J.S. Urbach, and W. Losert, "Actin polymerization in a thermal gradient", Macromolecular Symposia 227, 231-242 (2005).

  24. W. J. Rosoff, J. S. Urbach, M. A. Esrick, R. G. McAllister, L. J. Richards, and G. J. Goodhill, " A new chemotaxis assay shows the extreme senstivity of axons to molecular gradients'', Nature Neuroscience 7, 678-682 (2004). See also News and Views

  25. G. J. Goodhill, M. Gu, and J. S. Urbach, "Predicting axonal response to molecular gradients with a computational model of filopodial dynamics'', Neural Computation, 16 2221-2243 (2004).

  26. A. Prevost, P. Melby, D. A. Egolf, and J. S. Urbach,"Non-equilibrium two-phase coexistence in a confined granular layer", Phys. Rev. E, Rapid Communication, 70 050301(R) (2004).

  27. G. J. Goodhill and J. S. Urbach, "Axon Guidance and Gradient Detection by Growth Cones'', in ``Modeling Neural Development'', ed. Arjen Van Ooyen, MIT Press (2003).

  28. A. Prevost, D. A. Egolf, and J. S. Urbach, "Forcing and Velocity Correlations in a Vibrated Granular Monolayer'', Phys. Rev. Lett, 89, 084301-1-4 (2002).

  29. Y. Tian, E. R. Weeks, K. Ide, J. S. Urbach, C. N. Baroud, M. Ghil, and H. L. Swinney, "Experimental and numerical studies of an eastward jet over topography,'' J. Fluid Mech., 438, 129-157 (2001).

  30. G. J. Goodhill and J. S. Urbach, "Theoretical Analysis of gradient detection by growth cones'', J. Neurobiology, 41, 230-241 (1999).

  31. J. S. Olafsen and J. S. Urbach, "Velocity Distributions and Density Fluctuations in a Granular Gas,'' Phys. Rev. E, Rapid Communications, 60, R2468-71 (1999).

  32. J. S. Urbach and J. S. Olafsen, "Spheres on a Vibrating Plate: Clustering and Collapse,'' in The 5th Experimental Chaos Conference, Orlando, FL M. Ding, et al, eds. (World Scientific, Singapore, 2001).

  33. J. S. Urbach and J. S. Olafsen, "Experimental Observations of Non-equilibrium Distributions and Transitions in a 2D Granular Gas,'' in Granular Gases, Lecture Notes in Physics; 564, T. Poshcel, S. Luding, eds. (Springer-Verlag, Heidelberg, Germany, 2001).

  34. J. S. Olafsen and J. S. Urbach, "Crystallization in a 2D granular fluid'','' Phys. Fluids 11, S5 (1999).

  35. J. S. Olafsen and J. S. Urbach, "Clustering, Order, and Collapse in a Driven Granular Monolayer,'' Phys. Rev. Lett. 81, 4369-72 (1998).

  36. J. S. Urbach and G. J. Goodhill, "Limitations on detection of gradients of diffusible chemicals by axons,'' Neurocomputing, 26-27, 39-43 (1999).

  37. J. S. Urbach, E. R. Weeks, H. L. Swinney, "Anomalous diffusion in quasi-geostrophic flow,'' in Chaos, Kinetics and Nonlinear Dynamics in Fluids and Plasmas, ed. S. Benkadda and G. Zaslavsky (Springer-Verlag, New York, 1998).

  38. E. R. Weeks, Y. Tian, J. S. Urbach, K. Ide, H. L. Swinney, M. Ghil, "Transitions between blocked and zonal flows in a rotating annulus with topography,'' Science, 278, 1598-1601 (1997).

  39. K. A. Moler, D. J. Baar, J. S. Urbach, R. Lang, W. N. Hardy, A. Kapitulnik, "Specific heat of YBa$_{2}$Cu$_{3}$O$_{7-{\delta}}$,'' Phys. Rev. B. 55, 3954-65 (1997).

  40. E. R. Weeks, J. S. Urbach, and H. L. Swinney, "Anomalous diffusion in asymmetric random walks with a quasi-geostrophic flow example,'' Physica D 97,291-310 (1996).

  41. J. S. Urbach, R. C. Madison, J. T. Markert, "Reproducibility of magnetic avalanches in an Fe-Ni-Co ferromagnet,'' Phys. Rev. Lett. 75, 4694-7 (1995).

  42. J. S. Urbach, R. C. Madison, J. T. Markert, "Interface depinning, self-organized criticality, and the Barkhausen effect,'' Phys. Rev. Lett. 75, 276 (1995).

  43. E. R. Weeks, T. H. Solomon, J. S. Urbach, and H. L. Swinney, "Observation of Anomalous Diffusion and Lévy Flights,'' Proceedings of the International Workshop on Lévy Flights and Related Phenomena in Physics, ed. G. M. Zaslavsky and U. Frisch (Springer-Verlag), p. 51-71 (1994).

  44. K. A. Moler, D. J. Baar, J. S. Urbach, R. Lang, W. N. Hardy, A. Kapitulnik, "Magnetic field dependence of the electronic specific heat of YBa$_{2}$Cu$_{3}$O$_{6.95}$ single crystals,'' Physica C 235-240, 1775-76 (1994).

  45. K. A. Moler, D. J. Baar, J. S. Urbach, R. Lang, W. N. Hardy, A. Kapitulnik, "Magnetic field dependence of the density of states of YBa$_{2}$Cu$_{3}$O$_{6.95}$ as determined from the specific heat,'' Phys. Rev. Lett. 73, 2744-7 (1994).

  46. A. Kapitulnik, A. Yazdani, J. S. Urbach, R. Laing, W. R. White, M. R. Beasley, "Studies of two-dimensional MoGe superconductors in a magnetic field," Physics B 197, p. 530-9 (1994).

  47. J. S. Urbach, L. W. Lombardo, W. R. White, M. R. Beasley, A. Kapitulnik, "Resistive and thermodynamic transitions of a two-dimensional superconductor in a magnetic field,'' Physica C 219, 93-98 (1994).

  48. J. S. Urbach, W. R. White, M. R. Beasley, A. Kapitulnik, "Specific heat of a superconducting multilayer: 2D fluctuations and 2D-0D crossover,'' Phys. Rev. Lett. 69, 2407-10 (1992).

  49. J. S. Urbach, D. B. Mitzi, A. Kapitulnik, J. Y. T. Wei, D. T. Morris, "Low Temperature Specific Heat of single-crystal Bi$_{2}$CaSr$_{2}$Cu$_{2}$O$_{8}$ and Tl$_{2}$Ca$_{2}$Ba$_{2}$Cu$_{3}$O$_{10}$," Phys. Rev. B 39, p. R12391-4 (1989).
PATENT APPLICATIONS:
  1. J.S. Urbach, G.J Goodhill and M.A. Esrick, Stable Chemical Concentration Gradient, International Application No. (pending), filed August 30, 2001, claiming priority of U.S. Provisional Patent Application No. 60/228,996 filed on 08/30/00.

Jeffrey Urbach 2002-11-04