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单词 membrane potential
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membrane potential
membrane potential n. a voltage difference across a cell membrane or other semipermeable biological or synthetic membrane, resulting from an unequal distribution of diffusible ions on either side of the membrane.
ΚΠ
1912 F. G. Donnan & G. M. Green in Proc. Royal Soc. A. 90 451 The determination of the membrane potential difference was carried out as follows: [etc.].]
1914 F. G. Donnan & G. M. Green in Proc. Royal Soc. A. 90 451 The E.M.F. of the cell..is constituted by the three potential differences e1, e2, and Em, the latter being the sought-for ‘membrane-potential’.
1922 Science 29 Dec. 736/2 The observed membrane potentials always agree with the membrane potentials calculated on the basis of Donnan's equation within one or two millivolts.
1974 V. B. Mountcastle et al. Med. Physiol. (ed. 13) I. i. 14 The membrane potential that just stops net diffusion of this ion across the membrane is called its equilibrium potential.
1994 Jrnl. Membrane Sci. 93 69 (title) Photoinduced membrane potential change of methacrylate polymers containing various spiropyrans.
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