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July 22, 1939

Die elektrischen Gruppen in Biologie und Medizin

JAMA. 1939;113(4):356. doi:10.1001/jama.1939.02800290082026

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This book may be considered an introduction to a relatively new department of biologic science that may be designated as "electrocytology," which has to do with measuring the static electric charges of cells or even of portions of cells. As long as cells live they have a more or less positive electrostatic charge in relation to their surrounding fluid. This charge may be measured in the living organism by means of direct microelectrometry or by estimating in ultraviolet light the concentration in living organs of dyes with known electric charge. Thus, for instance, it has been shown that usually the parenchyma is more electropositive than the connective tissue.

To follow the revelations of electrocytology one must abandon the concept of the electric charges displayed by ions during electrolysis (resulting from high amperage and low voltage electricity) and familiarize oneself with the startling fact that, in the complex solutions surrounding the

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