Membrane Operational Impedance Spectra in Chara corallina Estimated by Laplace Transforms Analysis |
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| Authors: | Homblé F Jenard A |
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| Affiliation: | Laboratoire Thermodynamique Electrochimique, Université Libre de Bruxelles, Faculté des Sciences CP 160, Av. F. Roosevelt, 50, B-1050 Brussels, Belgium. |
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| Abstract: | The membrane operational impedance spectrum of Chara corallina Klein ex Willd. (R. Brown) cells is investigated using Laplace transform analysis. The spectrum changes with both amplitude and sign of the electrical stimulation when time- and voltage-dependent K+ channels contribute to the membrane conductance. We compare the advantages and disadvantage of this technique for studying membrane impedance with those of the alternating current method and the white noise method. |
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