Bioelectric Potentials as a Measure of Radiation Injury

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Bioelectric potentials as a measure of radiation injury.

* This work was supported in part by a grant from the U. S. Public Health Service. t Assigned to the California Institute of Technology by the National Cancer Institute. $ Contribution No. 1457. 1 Neel, J. V., in press. 2 Neel, J. V., Science, 110, 64 (1949). 3 Itano, H. A., and Pauling, L., Federation Proceedings, 8, 209 (1949). 4Pauling, L., Itano, H. A., Singer, S. J., and Wells, I. C., Scie...

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Calculations of Bioelectric Potentials

Interest in the study of Halicystis and of Valonia has been stimulated by discoveries of marked contrasts and striking similarities existing side by side. This is illustrated by new experiments with the alkali metals and alkaline earths. In Halicystis the apparent mobilities of K(+), Rb(+), Cs(+), and Li(+) (calculated by means of Henderson's equation from changes in P.D. produced by replacing ...

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Bioelectric Potentials in Valonia

In their influence on the P.D. across the protoplasm of Valonia macrophysa, Kütz., Li(+) and Cs(+) resemble Na(+), while Rb(+) and NH(4) (+) resemble K(+). The apparent mobilities of the ions in the external surface layer of Valonia protoplasm increase in the order: Cs(+), Na(+), Li(+) < Cl(-) < Rb(+) < K(+) < NH(4) (+).

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The Generation of Bioelectric Potentials

EVER since Matteucci and DuBois Reymond established the fact that muscle and nerve activity is associated with bioelectric, potentials, it has been safe to assume that contraction of the heart must also have an electric correlate. Although Koelliker and Johannes Mueller actually were the first to succeed in demonstrating such electric activity, it was only when Einthoven, using a sufficiently s...

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Bioelectric Potentials in Halicystis

The potential difference across the protoplasm of impaled cells of Halicystis is not affected by increase of oxygen tension in equilibrium with the sea water, nor with decrease down to about 1/10 its tension in the air (2 per cent O(2) in N(2)). When bubbling of 2 per cent O(2) is stopped, the P.D. drifts downward, to be restored on stirring the sea water, or rebubbling the gas. Bubbling 0.2 pe...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1950

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.36.11.617