Selective Interaction Model and Photoreceptor Cell Membrane |
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Authors: | Dorina E. Creanga M. Isac Rodica M. Isac |
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Affiliation: | (1) Faculty of Physics, University Al. I. Cuza, Iasi, Romania;(2) Faculty of Biology, University Al. I. Cuza, Iasi, Romania |
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Abstract: | A mathematical model is proposed in order to describe, from the thermodynamic point of view, the changes in the photoreceptorcell membrane induced by light stimuli. The phenomenologicalbackground is the increase of the fly microvillar membrane ionicconductivity as a consequence of Ca++-Na+ affinity modification under light action. On the basis of the analogywith the model of protein interaction in mixed solvents, themodel is focused on the selective interaction between ionchannels gates and two ionic ligands. Three possible theoretical cases are examined. |
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Keywords: | Selective interaction Mathematical modeling Photoreceptor |
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