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Automatic recording apparatus for use in the chromatography of amino acids.
Photometric ninhydrin method for use in the chromatography of amino acids.
  • S. Moore, W. Stein
  • Chemistry, Medicine
  • The Journal of biological chemistry
  • 1 October 1948
TLDR
In the present investigations of the chromatographic separation of amino acids, it has been observed that, when the color development is carried out in tubes exposed to the air, these difficulties appear to result primarily from the influence of dissolved oxygen. Expand
Chromatography of amino acids on sulfonated polystyrene resins.
  • S. Moore, W. Stein
  • Chemistry, Medicine
  • The Journal of biological chemistry
  • 1 October 1951
TLDR
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. Expand
A modified ninhydrin reagent for the photometric determination of amino acids and related compounds.
  • S. Moore, W. Stein
  • Chemistry, Medicine
  • The Journal of biological chemistry
  • 1 December 1954
TLDR
A modified ninhydrin reagent for the photometric determination of amino acids and related compounds and its application in drug discovery is described. Expand
[117] Chromatographic determination of amino acids by the use of automatic recording equipment
Publisher Summary This chapter describes the chromatographic determination of amino acids by the use of automatic recording equipments. Quantitative determination of amino acids bears a relationshipExpand
The free amino acids of human blood plasma.
  • W. Stein, S. Moore
  • Medicine, Biology
  • The Journal of biological chemistry
  • 1 December 1954
TLDR
It has been possible to identify with a high degree of probability twenty-eight ninhydrin-positive substances in protein-free plasma and to determine most of them quantitatively. Expand
The preparation and enzymatic hydrolysis of reduced and S-carboxymethylated proteins.
On the aggregation of bovine pancreatic ribonuclease.
Effect of divalent cations on the reduction and re-formation of the disulfide bonds of deoxyribonuclease.
TLDR
These experiments, and the requirement for a divalent cation-DNA complex as the substrate for DNase, demonstrate an ion-protein interaction, and simple gel filtration at neutral pH removes 45Ca++ completely from both the native enzyme and the active form containing only one disulfide bond. Expand
THE PENETRATION OF VESICANT VAPORS INTO HUMAN SKIN
TLDR
A very precise and reproducible micropipetting technique is described for the introduction of the vesicants into the penetration apparatus, and it is suggested that the permeability of the skin to H vapor is not altered during a 30 minute exposure, due to retention on the skin surface of an appreciable quantity of benzyl-H. Expand
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