Abstract
THE insolubilization of many dichromate-sensitized protein dispersions, notably albumins, gelatins, etc. after exposure to light, is well known and is the basis of most photo-engraving procedures1. Polysaccharides, such as starch and gum acacia, and polysaccharide derivatives such as methyl cellulose and, more recently, surface-hydrolysed cellulose esters2, similarly become insoluble when exposed to light in the form of thin, dry films.
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References
Bull, A. J., “Photo-engraving”, 91 et seq. (Arnold and Co., 1934).
Colt, U.S. Patent No. 2,448,861.
Stacey, M., and Swift, G., J. Chem. Soc., 1555 (1948).
Stacey, M., and Youd, F. R., Biochem. J., 32, 1943 (1938). Ingelmann, B., Acta Chem. Scand., 2, 803 (1948). Lockwood, A. R., James, A. E., and Pautard, F. G., Research, 4, 46 (1951).
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PAUTARD, F. Photo-insolubilization of Dextran. Nature 171, 302–303 (1953). https://doi.org/10.1038/171302b0
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DOI: https://doi.org/10.1038/171302b0
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