Abstract
AMONG chromatographic adsorbents there is continually in progress a search for substances of higher adsorbing capacity and/or increased selectivity of adsorption. We have found that a number of sparingly soluble inorganic solids exhibit a small but definite binding affinity for amino-acids, and have attempted to relate such adsorption to certain physical properties of the adsorbent. The electrokinetic properties of both natural and artificial samples of several such solids have been investigated1, and from these results it could be expected that such differences would be reflected in comparative affinities for binding amino-acids. Such has been found to be the case for the two amino-acids discussed here, namely, aspartic acid and glycine.
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References
Buchanan, A. S., and Heymann, E., Nature, 161, 649 (1948); Proc. Roy. Soc., A., 195, 150 (1948). O'Connor, D. J., and Buchanan, A. S. (unpublished data).
Hamoir, G. C. M., Biochem. J., 39, 485 (1945).
Bryant, P., and O'Connor, E. J., Aust. J. Sci., 13, 111 (1951).
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O'CONNOR, D., BRYANT, F. Adsorption of Amino-acids on Sparingly Soluble Inorganic Solids. Nature 170, 84–85 (1952). https://doi.org/10.1038/170084a0
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DOI: https://doi.org/10.1038/170084a0
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