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Toxizitätsmessung mittels Kleinlebewesen und elektrische Motilitätsbeobachtung

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Summary

Toxicity of solutions is estimated by observing the decrease in motility ofParamaecium caudatum. The motility is measured by means of an electro-optical device as follows: the paramaecia are dark-field illuminated and projected on a glass disk painted with a chess-board-like “Raster” pattern. The variations of light intensity induced thereby are counted by a photocell and a suitable amplifier-discriminator circuit.

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References

  1. C. A. Bosselaar undN. Spronk, Nature169, 18 (1952).

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Authors and Affiliations

  1. Wissenschaftliches Laboratorium der psychiatrischen Universitätsklinik «Friedmatt», Basel

    R. Weber & W. Hügin

Authors
  1. R. Weber
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  2. W. Hügin
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Weber, R., Hügin, W. Toxizitätsmessung mittels Kleinlebewesen und elektrische Motilitätsbeobachtung. Experientia 8, 197–198 (1952). https://doi.org/10.1007/BF02173744

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  • DOI: https://doi.org/10.1007/BF02173744

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