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Science 16 December 1960:
Vol. 132. no. 3442, pp. 1841 - 1842
DOI: 10.1126/science.132.3442.1841
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Articles

Temperature and Charge Transfer in a Receptor Membrane

Nobusada Ishiko 1 and Werner R. Loewenstein 1

1 Department of Physiology, Columbia University, College of Physicians and Surgeons, New York, New York

The rate of rise and the amplitude of a mechanically elicited generator potential in a receptor membrane (Pacinian corpuscle) increases markedly with temperature. By contrast, the amplitude of the action potential of the Ranvier node adjacent to the receptor membrane remains practically unchanged over a wide range of temperature. The activation energy of the rate-limiting process in excitation of the receptor membrane is high; it indicates the existence of a high potential energy barrier for charge transfer.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)