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The conductivity of amino acid solutions in high electric fields Terentiuk, Fred


The purpose of this investigation was the development of a direct method of investigating the electrical conductance of ampholytic solutions in high electric fields. This was achieved with the use of a cathode ray oscilloscope, which recorded the conductance as a function of the field strength over a wide range. A maximum field of 180,000 volts per centimeter was applied. It was shown that aliphatic ampholytes, such as glycine, valine, etc., in aqueous solution, exhibit a considerable increase of conductance with rising field strength. Further investigations, especially with polypeptides, are planned. The consequences of this investigation for the biophysical problem of permeability in living matter are discussed.

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