• Publications
  • Influence
Cilia internal mechanism and metachronal coordination as the result of hydrodynamical coupling.
We present a simple but realistic model for the internal bend-generating mechanism of cilia, using parameters obtained from the analysis of data of the beat of a single cilium, and incorporate itExpand
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Bend propagation in flagella. I. Derivation of equations of motion and their simulation.
A set of nonlinear differential equations describing flagellar motion in an external viscous medium is derived. Because of the local nature of these equations and the use of a Crank-Nicolson-typeExpand
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On the geometry of four-dimensions and the relationship between metabolism and body mass.
  • J. Blum
  • Biology, Medicine
  • Journal of theoretical biology
  • 7 February 1977
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A mathematical model for LH release in response to continuous and pulsatile exposure of gonadotrophs to GnRH
In a previous study, a model was developed to investigate the release of luteinizing hormone (LH) from pituitary cells in response to a short pulse of gonadotropin-releasing hormone (GnRH). The modelExpand
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Concentration profiles in and around capillaries.
  • J. Blum
  • Chemistry, Medicine
  • The American journal of physiology
  • 1 May 1960
Capillaries, idealized as uniform cylinders through which blood flows at a constant velocity, supply substrate to the surrounding tissue, where it is consumed according to zero order or first orderExpand
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Effect of cytoskeletal geometry on intracellular diffusion.
A method is presented for determining the retardation of diffusion of particles inside cells owing to cytoskeletal barriers. The cytoskeletal meshwork is treated as a repeating periodicExpand
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A model for slow axonal transport and its application to neurofilamentous neuropathies.
  • J. Blum, M. Reed
  • Biology, Medicine
  • Cell motility and the cytoskeleton
  • 1989
A model for slow axonal transport is developed in which the essential features are reversible binding of cytoskeletal elements and of soluble cytosolic proteins to each other and to motile elementsExpand
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Approximate traveling waves in linear reaction-hyperbolic equations
Linear reaction-hyperbolic equations of a general type arising in certain physiological problems do not have traveling wave solutions, but numerical computations have shown that they possessExpand
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Protein tyrosine phosphatase activity in Leishmania donovani.
  • D. Cool, J. Blum
  • Biology, Medicine
  • Molecular and cellular biochemistry
  • 1 November 1993
L. Donovani promastigotes were grown to late-log and 3-day stationary phase to determine the level of protein tyrosine phosphatase activity in crude extracts and in fractions following gel filtrationExpand
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Cell division in Astasia longa.
Abstract Morphological changes during division have been studied in synchronized cultures of Astasia longa . Each normal adult cell is covered by 36 helical pellicle complexes which arise in theExpand
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