Abstract
HANS H. USSING describes a method of analysing protein by means of amino-acids containing deuterium. The author claims that the method overcomes the difficulty met with in most types of amino-acid analysis, which usually lead to inevitable losses and are therefore only approximate. He also suggests that his method can be used for such an amino-acid series as alanine, valine, isoleucine and aspartic acid, for which no very reliable methods of estimation are at present known.
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Points from Foregoing Letters. Nature 144, 982 (1939). https://doi.org/10.1038/144982b0
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DOI: https://doi.org/10.1038/144982b0