Abstract
EHRLICH ascites tumour cells from mice were suspended in Krebs phosphate Ringer in agar and maintained at 37° C. in a small chamber. Ling–Gerard micro-pipettes were filled with 3 M potassium chloride. They had a tip resistance of 30–50 megohms, and were checked for tip potentials by Adrian's method1. Any showing tip potentials greater than 2 mV. were discarded. Penetrations were observed microscopically under a magnification of 600.
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References
Adrian, R. H., J. Physiol., 133, 631 (1956).
Selby, et al., Ann. N.Y. Acad. Sci., 63, 748 (1955–56). Sugiura, K., and Creech, H. J., ibid., 63, 962 (1955–56).
Hodgkin, A. L., and Katz, B., J. Physiol., 108, 37 (1949).
Maizels, Remington and Truscoe, J. Physiol., 140, 48 (1958).
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JOHNSTONE, B. Micro-Electrode Penetration of Ascites Tumour Cells. Nature 183, 411 (1959). https://doi.org/10.1038/183411a0
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DOI: https://doi.org/10.1038/183411a0
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