HPLC Separation of Serine, a-Methylserine, GABA, and Methionine Mixture

Four underivatized amino acids (serine, methylserine, GABA and methionine) were separated on a Primesep 100 reversed-phase cation-exchange mixed-mode HPLC column. Two methods, one for UV and one for ELSD/LC/MS show good separation and peak shape for underivatized amino acids. This column and general HPLC approach can be used for analysis of underivatized amino acids. Primesep 100 is designed to replace reversed-phase HPLC column in combination with ion-pairing reagents.

Condition

Column Primesep 100, 4.6x250 mm, 5 µm, 100A
Mobile Phase MeCN/H2O
Buffer H3PO4
Flow Rate 1.0 ml/min
Detection UV, 200 nm, ELSD
 

Description

Class of Compounds Drug, Acid, Hydrophilic, Ionizable, Vitamin, Supplements, Amino acid
Analyzing Compounds Serine, Methylserine, GABA, Methionine
 

Application Analytes:

Methionine
Serine
a-Methylserine
gamma-Aminobutyric Acid (GABA)
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