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Chromatographic separation of isologous sulfur- and selenium-containing amino acids: Reductive scission of the selenium-selenium bond by mercaptans and selenols

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TLDR
The reason was uncovered for previous failures to obtain reproducible color values for selenocystine and the diselenide-sulfhydryl and diselanide-selenol interchange reactions, which occur over a wide pH range, must be taken into account during analytical investigations involving mixtures ofdiselenides, and/or thiols, and-or selenols.
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This article is published in Analytical Biochemistry.The article was published on 1969-02-01. It has received 25 citations till now. The article focuses on the topics: Selenium.

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Citations
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Investigations on selenium in wheat

TL;DR: In this article, the results suggest the presence of selenocysteic acid in significant amounts in wheat gluten, seeds and straw from plants grown on soil to which 75Se-selenate had been added.
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Metabolic aspects of selenium action and toxicity.

TL;DR: In this paper, the concept of selenium involvement in enzyme systems that have an oxidation/reduction role was developed, based on recent observations in a number of laboratories, and the concept was developed based on the fact that the element participates in enzymes with an oxidative role.
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Analytical methods for the speciation of selenium compounds: a review

TL;DR: A review of different analytical methods used for the speciation of selenium compounds can be found in this article, with special attention to inorganic selenion and organoselenium species.
References
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Chromatography of Amino Acids on Sulfonated Polystyrene Resins. An Improved System

TL;DR: A systematic study has been made of the separations of amino acids by elution analysis on columns of synthetic ion exchange resins, demonstrating that synthetic resins are capable of separating most of the common amino acids from one another.
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