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  • 标题:Release of carbohydrates from sphingoglycolipid by osmium-catalyzed periodate oxidation followed by treatment with mild alkali
  • 本地全文:下载
  • 作者:Sen-Itiroh Hakomori
  • 期刊名称:JLR Papers In Press
  • 印刷版ISSN:0022-2275
  • 电子版ISSN:1539-7262
  • 出版年度:1966
  • 卷号:7
  • 期号:6
  • 页码:789-792
  • 语种:English
  • 出版社:American Society for Biochemistry and Molecular Biology
  • 摘要:The carbohydrate moiety of sphingoglycolipid, after preliminary acetylation, can be released by periodate oxidation catalyzed by a trace amount of osmium tetroxide, followed by alkaline treatment. Cerebroside, lactosyl ceramide, hematoside, globoside, and gangliosides were degraded to yield, respectively, galactose, lactose, sialyl lactose, a tetrasaccharide, and various oligosaccharides containing sialic acid. Oligosaccharides were separated by paper chromatography and paper electrophoresis. The procedure is useful for characterizing micromolar amounts of sphingoglycolipids.
  • 关键词:osmium-catalyzed ; periodate ; oxidation ; acetylated ; sphingoglycolipid ; cleavage ; sphingosine-carbohydrate bond ; separation ; oligosaccharides
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