A fluorometric high-performance liquid-chromatographic method is described for the determination of cyanate in human plasma. The method is based on the derivatization of cyanate with 2 -aminobenzoic acid (anthranilic acid), leading to a stable cyclic fluorescent product, \(2,4(1 \mathrm{H}, 3 \mathr
Separation by high-performance liquid chromatography of α- and β-amino acids: Application to assays of lysine 2,3-aminomutase and leucine 2,3-aminomutase
✍ Scribed by D.John Aberhart
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 425 KB
- Volume
- 169
- Category
- Article
- ISSN
- 0003-2697
No coin nor oath required. For personal study only.
✦ Synopsis
Several pairs of alpha- and beta-amino acids were well separated as the ortho-phthalaldehyde derivatives by reversed phase HPLC. These included alpha- and beta-lysine, leucine, tyrosine, serine, aminoisobutyric acid, and beta-hydroxyvaline and its positional isomer. The separation was applicable to assays of lysine 2,3-aminomutase and leucine 2,3-aminomutase. However, for unknown reasons, no leucine 2,3-aminomutase activity could be found in rat liver homogenate.
📜 SIMILAR VOLUMES
The preparative separation of the enantiomers of the title compound, a versatile chiral building block for the synthesis of unnatural amino acid esters, by high performance liquid chromatography on a chiral stationary phase (CSP), is reported for the first time. The CSP consists of amylose-(3,5-dime
A procedure for the determination of a newly developed antiadhesive agent, 7-piperidino-1,2,3,5-tetrahydroimidazo[2,1-b]quinazolin-2-on e (DN-9693; 1), in human plasma and urine at low nanogram levels by high-performance liquid chromatography with electrochemical detection is described. Plasma and u