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Electron ionization...
Electron ionization-tandem mass spectrometry of glycosphingolipids. I: The identiftcation of compound-specific sequence ions in the collision-induced dissociation spectra of the immonium ions of two isomeric hexaglycosylceramides.
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Curtis, J M (författare)
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Derrick, P J (författare)
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Holgersson, J (författare)
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Samuelsson, B E (författare)
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- Breimer, Michael, 1951 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för de kirurgiska disciplinerna, Avdelningen för kirurgi,Institute of Surgical Sciences, Department of Surgery
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(creator_code:org_t)
- 1992-05-01
- 1992
- Engelska.
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Ingår i: Journal of the American Society for Mass Spectrometry. - : American Chemical Society (ACS). - 1044-0305. ; 3:4, s. 353-9
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A permethylated-reduced hexaglycosylceramide in a complex glycolipid mixture isolated from a unique human tissue has been identified by using tandem mass spectrometry (MS/MS). The mass spectrum of this glycolipid mixture, obtained by using in-beam electron ionization, is very complex, and fragment ions derived from the hexaglycosylceramide cannot be distinguished from other ions. Tandem mass spectrometry using a four-sector mass spectrometer gave the mass spectrum of the immonium ion of the permethylated-reduced hexaglycosykeramide (m / z 1645.8), which is characteristic of its structure. Comparison of this MS/MS spectrum with those of two similarly derivatized blood group hexaglycosylceramide isomers permitted identification of the unknown glycolipid structure.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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