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Kinetics of Oxidation of L-Proline by Hexacyanoferrate (III) Ion in Presence of Os (VIII)

Tejpal Singh

Abstract


Amino acids are building block of proteins and maintaining a vital role in growth of human beings as well as animals. Amino acids may form metal complexes and other complexes in animal and human body. Therefore, the study of oxidation of amino acids as well as their complexes is interesting area for academicians and physicians. Amino acids are the compounds of two functional groups -NH2 and –COOH. Hence depending on the no. of -NH2 and -COOH groups amino acids may be neutral, acidic and alkaline in nature. All amino acids have stereo character due to contain of chiral centre except glycine. Proline and hydoxy proline contains –NH group hence called imino acid. The kinetics of oxidation of L-proline by alkaline Os (VIII), which was continuously regenerated by reagent hexacyanoferrate (III) ion was studied in the 0.01-0.07M (seven fold) and 298K–318K temperature range. The rate of reaction was found to be zero with respect to [Fe(CN6)]3- and one with respect to Os (VIII).


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