Semi-Discrete Systems and Intracellular Calcium Dynamics

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Intracellular calcium is sequestered in closed membranes such as the sarcoplasmic or endoplasmic reticula and released at discretely distributed protein/receptor channels. The release kinetics can result in the propagation of waves of elevated calcium concentration. The main physical processes are reactions at the release sites and diffusion between the sites. The theory of chemical wave propagation in reaction-diffusion systems is in large part devoted to the study of systems in which there are no extrinsic inhomogeneities. The discrete distribution of the release sites plays a key role in determining the nature of the propagating wave. The authors analyze some simple ... continued below

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Pearson, J.; Dawson, S.P. & Mitkov, I. October 24, 1998.

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Intracellular calcium is sequestered in closed membranes such as the sarcoplasmic or endoplasmic reticula and released at discretely distributed protein/receptor channels. The release kinetics can result in the propagation of waves of elevated calcium concentration. The main physical processes are reactions at the release sites and diffusion between the sites. The theory of chemical wave propagation in reaction-diffusion systems is in large part devoted to the study of systems in which there are no extrinsic inhomogeneities. The discrete distribution of the release sites plays a key role in determining the nature of the propagating wave. The authors analyze some simple reaction-diffusion models in order to elucidate the role of discreteness for chemical wave propagation.

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Medium: P; Size: vp.

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OSTI as DE00760010

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  • 4th Information Sciences, Raleigh-Durham, NC (US), 10/24/1998--10/28/1998

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  • Report No.: LA-UR-98-4236
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 760010
  • Archival Resource Key: ark:/67531/metadc706381

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  • October 24, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 23, 2016, 4:53 p.m.

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Pearson, J.; Dawson, S.P. & Mitkov, I. Semi-Discrete Systems and Intracellular Calcium Dynamics, article, October 24, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc706381/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.