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Specific Anion Effects on the Optical Rotation of alpha-Amino Acids

Rossi, Simona; Lo Nostro, Pierandrea; Lagi, Marco; Ninham, Barry; Baglioni, Piero


Changes in optical rotation of some a-amino acids are induced by electrolytes. Such effects on L- and D-enantiomers of a range of amino acids are explored for sodium salts with varying anion. The amino acids studied were alanine, aspartic acid, glutamic acid, glutamine, proline, threonine, and tryptophan. The anion's polarizability in solution accounts for the change in [a] only for the halides. Self-association of amino acids in solution and pH changes due to the presence of the electrolytes...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Journal of Physical Chemistry B
DOI: 10.1021/jp0721806


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