Photo-labile Pigments of the Chicken Retina (original) (raw)

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• Published: 25 September 1937

Nature volume 140, pages 545–546 (1937)Cite this article

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Abstract

THOUGH visual purples of the retinal rods have been known for sixty years1,2, nothing has been learned directly of analogous substances in the cones. In the chicken retina, which contains principally cones, attempts to identify photo-labile pigments heretofore have failed2. I have extracted from it two such pigments.

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References

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Authors and Affiliations

1. Biological Laboratories, Harvard University, Cambridge, Massachusetts
   GEORGE WALD

Authors

1. GEORGE WALD
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WALD, G. Photo-labile Pigments of the Chicken Retina.Nature 140, 545–546 (1937). https://doi.org/10.1038/140545a0

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• Issue Date: 25 September 1937
• DOI: https://doi.org/10.1038/140545a0

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