Abstract
FREE asparagine has twice before been reported in animal tissues, namely, in the liver, kidney and spleen of sheep1, and, recently, in human urine2. The evidence given below shows that it is also present in the blood plasma of both man and the goat: the concentrations are, in fact, comparable to those of many other free amino-acids in blood plasma.
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References
Krebs, H. A., Biochem. J., 47, 605 (1950).
Stein, W. H., J. Biol. Chem., 201, 45 (1953).
Moore, S., and Stein, W. H., J. Biol. Chem., 192, 663 (1951).
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BARRY, J. Asparagine in Blood Plasma. Nature 171, 1123 (1953). https://doi.org/10.1038/1711123a0
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DOI: https://doi.org/10.1038/1711123a0
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