Abstract
DUBUISSON1–3 has shown that pH variations during muscle activity can be recorded at the muscle surface with a glass electrode, using an electrometer and a sensitive galvanometer. Displaying the d.c. amplified electromotive force changes of the glass electrode, on the screen of a cathode-ray tube, reduces the recording delay to a few msec., and makes it possible4 to estimate the time constant of the glass electrode (McInnes type), transmitting a pH step, to be about 30 msec.
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References
Dubuisson, M., J. Physiol., 94, 461 (1939).
Dubuisson, M., Arch. Internat. Physiol., 50, 203 (1940).
Dubuisson, M., “Muscular Contraction” (C. Thomas Pub., 1954).
Distèche, A., and Dubuisson, M., Rev. Sci. Instr., 25, 869 (1954).
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Hill, A. V., Proc. Roy. Soc., B, 137, 268 (1950).
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DISTÈCHE, A. pH Changes during Muscle Twitch and Tetanus. Nature 187, 1119–1120 (1960). https://doi.org/10.1038/1871119a0
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DOI: https://doi.org/10.1038/1871119a0
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