Abstract
RECENTLY, a fibrous protein has been extracted by one of us from the cellular portion of the human epidermis with 75 per cent lithium bromide1. The first observable microscopic change in the extracted epidermis was a disruption of tonofibrils and intercellular bridges; coincidentally, the protein appeared as an amorphous mass within the Malpighian layer and between the granular and horny layers2. When treated with 60 per cent acetone and 4 per cent acetic acid, the protein formed a gel. This gel could be dried as a film on silicone-coated glass. The present communication reports the results of an X-ray investigation of this substance.
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References
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ROE, D., HEYN, A. X-Ray Diffraction Patterns and Alpha–Beta Transformation of a Protein extracted from the Human Epidermis. Nature 179, 266–267 (1957). https://doi.org/10.1038/179266a0
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DOI: https://doi.org/10.1038/179266a0
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