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Science 20 April 1984:
Vol. 224. no. 4646, pp. 292 - 294
DOI: 10.1126/science.6710144
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Articles

Science, Vol 224, Issue 4646, 292-294
Copyright © 1984 by American Association for the Advancement of Science

articles

Spatially nonuniform changes in intracellular calcium ion concentrations

HH Harary and JE Brown

The spatial variation of changes in intracellular calcium ions were studied with a one-dimensional scanning microphotometer. Changes in intracellular calcium were measured with a metallochromic dye, arsenazo III. Both the magnitude and the kinetics of changes in calcium were dramatically different in different regions of a cell. In Limulus ventral photoreceptors the maximum change was probably restricted to the rhabdomeric lobe.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
A spatial-temporal model of cell activation.
D. Alkon and H Rasmussen (1988)
Science 239, 998-1005
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Science. ISSN 0036-8075 (print), 1095-9203 (online)