Abstract
IN a recent communication by Hulme and Arthington1, writing of the isatin test for proline, they state that “it is surprising that this useful test has not been more widely used”. This prompts a report of further advantages of this reagent and a description of a general technique which has been in use in this laboratory for some months.
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References
Hulme, A. C., and Arthington, W., Nature, 170, 659 (1952).
Datta, S. P., Dent, C. E., and Harris, H., Science, 112, 621 (1950).
Acher, R., Fromageot, C., and Jutisz, M., Biochim. et Biophys. Acta, 5, 81 (1950).
Toennies, G., and Kolt, J. J., Anal. Chem., 23, 823 (1951).
Dalgliesh, C. E., Biochem. J., 52, 3 (1952).
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SMITH, I. Colour Reactions on Paper Chromatograms by a Dipping Technique. Nature 171, 43–44 (1953). https://doi.org/10.1038/171043a0
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DOI: https://doi.org/10.1038/171043a0
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