Variations de la différence de potentiel électrochimique des chlorures chezNitella en présence de benzène sulphonate |
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Authors: | J Lefebvre C Gillet |
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Institution: | (1) Facultés Universitaires de Namur, Département de Biologie Végétale, B-5000 Namur, Belgique |
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Abstract: | Summary The chloride electrochemical potential difference between the inside of cells ofNitella translucens and some external solutions, where Cl has been progressively replaced by benzenesulphonate, has been measured by means of Ag-AgCl electrodes. It appears that benzenesulphonate moves into the cell by an electrogenic pump and that the uptake of Cl byNitella is not in contradiction with a carrier hypothesis.
This work was supported by grants from the F.N.R.S. and was carried out in the Biophysics Section of the Edinburgh University. We are indebted to Dr. E. J.Williams and Dr.Hogg for having sponsored this research and kindly provided the material. |
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