Summary
(1) The relation between photodynamic effect and intensity of ultra-violet radiation was investigated by means of the lethal-curve of yeast cells treated with benzpyrene as photosensibilizer.
(2) If the dosis of radiation ist kept constant, the resulting photodynamic effect decreases rapidly with diminishing intensity.
References
A. Graffi, H. Kriegel, H. Schreiber undF. Windisch, Z. Naturforsch.8b/3, 142 (1953).
H. Kriegel, Dissertation1953, Berlin.
A. Graffi, H. Kriegel, E. J. Schneider undG. Sydow, Naturwissenschaften15, 414 (1953).
F. Windisch, W. Heumann, H. Kriegel undA. Graffi, Z. Naturforsch. (im Druck).
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Teilergebnisse der Dissertation.
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Graffi, A., Graffi, I., Kriegel, H. et al. Über die Abhängigkeit der photodynamischen Wirkung von der Intensität der UV.-Bestrahlung. Experientia 10, 68–69 (1954). https://doi.org/10.1007/BF02161459
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DOI: https://doi.org/10.1007/BF02161459