High-performance liquid chromatography of sialooligosaccharides and gangliosides

Ziad El Rassi, Csaba Horváth, Robert K Yu, Toshio Ariga

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Glycans were cleaved from gangliosides and separated by high-performance liquid chromatography (HPLC). The columns were packed with bonded stationary phases made of microparticulate, macroporous silica with serotonin, phenylpropanolamine or tryptamine as the biogenic amine ligate. The ganglioside oligosaccharides were eluted in the order of increasing number of sialic acid residues in the molecule and their retention decreased with the ionic strength of the mobile phase. Best selectivity was obtained in the pH range from 3.0 to 4.0. The two major sialic acids, N-acetylneuraminic and N-glycolylneuraminic acids, were separated by lectin affinity chromatography using an HPLC column packed with silica-bound wheat germ agglutinin and 10 mM phosphate buffer, pH 4.0, as the eluent. Throughout this study, isocratic elution was used and the column effluent was monitored at 195 nm.

Original languageEnglish (US)
Pages (from-to)229-236
Number of pages8
JournalJournal of Chromatography B: Biomedical Sciences and Applications
Volume488
Issue number1
DOIs
StatePublished - Mar 17 1989
Externally publishedYes

Fingerprint

Gangliosides
High performance liquid chromatography
Silicon Dioxide
Phenylpropanolamine
Sialic Acids
Affinity chromatography
Wheat Germ Agglutinins
Biogenic Amines
N-Acetylneuraminic Acid
Ionic strength
Oligosaccharides
Lectins
Polysaccharides
Effluents
Serotonin
Buffers
Phosphates
Molecules
sialooligosaccharides
N-glycolylneuraminic acid

ASJC Scopus subject areas

  • Chemistry(all)
  • Analytical Chemistry

Cite this

High-performance liquid chromatography of sialooligosaccharides and gangliosides. / El Rassi, Ziad; Horváth, Csaba; Yu, Robert K; Ariga, Toshio.

In: Journal of Chromatography B: Biomedical Sciences and Applications, Vol. 488, No. 1, 17.03.1989, p. 229-236.

Research output: Contribution to journalArticle

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