Calcium transients in a crustacean motoneuron soma: Detection with arsenazo III |
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| Authors: | G Czternasty M Thieffry I Parker |
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| Institution: | (1) Laboratoire de Neurobiologie, U. E. R. Sciences Exactes et Naturelles, 33, rue St Leu, F-80039 Amiens, (France);(2) Laboratorie de Neurobiologie Cellulaire, C. N. R. S., F-91190 Gif sur-Yvette, (France);(3) Department of Biophysics, University College London, Gower Street, WC1E6BT London, (England) |
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| Abstract: | Summary Long lasting action potentials can be triggered in crayfish giant motor neurons by a short depolarizing pulse under different conditions. The concomitant increase in absorbance of the Ca indicator arsenazo III preloaded into the soma, confirms observations suggesting that these potential changes are related to a Ca inward current through the some membrane. |
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