Abstract
IT has been disputed1 whether Gorter's2 method of spreading proteins to form surface films can really give a homogeneous film unless either (a) very dilute solutions are used for spreading, or (b) very long times, from 1 to 24 hours, are allowed before the force-area measurements are made. In the case of gliadin films, however, a vindication of the earlier method has been published3 and it appears from the figures quoted here that equilibrium is achieved within a very few minutes after the film is spread.
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References
Mitchell, Trans. Faraday Soc., 33, 1129 (1937).
Gorter et al., Proc. Acad. Set. Amst., 89, 371 (1925) et seq.
Jenkins and Taylor, NATURE, 142, 291 (1938).
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NORRIS, A. True Surface Densities of Protein Films. Nature 147, 358 (1941). https://doi.org/10.1038/147358a0
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DOI: https://doi.org/10.1038/147358a0
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