Letter | Published:

Physico-Chemical Test for Mitogenetic (Gurwitsch) Rays

Naturevolume 134page701 (1934) | Download Citation



UNTIL now, there has been only one physical method for detecting Gurwitsch rays, namely, with the Geiger-Müller, electron counter. Using this method, some workers1 have got positive results, whilst other investigators2 have not been able to confirm them. The method needs complicated apparatus which is difficult to manage.

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  1. 1

    Rajewski, “10 Jahre Forschung auf physikalisch-medizinisch. Grenzgebiete”, 1931. Frank and Rodionow, Naturwissen. ; 1931. Siebert and Seffert, Naturwiss.; 1933. Ruyssen, Natuurwetenschap. Tijdschrift, No. 6 ; 1934, has not yet finished his investigations. Barth, Arch. Sci. Biol. Lenin., 35, 1934.

  2. 2

    Seyfert, Dissertation, Tübingen, 1932. Locher, Phys. Rev., 1932. Lorenz, Public Health Reports, Washington, 1933, and J. Gen. Physiol., 17, No. VI; 1934. Schreiber and Friedrich, Biochem. Z., 1930. Gray and Ouellet, Proc. Roy. Soc., B, 1933.

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  1. Laboratory of Hygiene, University of Utrecht



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