Publikationstyp: Konferenz: Poster
Art der Begutachtung: Keine Begutachtung
Titel: Simple and rapid sample preparation for 25OH-Vitamin D3/D2 using an immobilized liquid
Autor/-in: Weibel, Roland
Zaborosch, Christiane
Svoboda, Michal
Geyer, Roland
Bartl, Ralf
Angaben zur Konferenz: MSACL Mass Spectrometry Applications to the Clinical Lab, San Diego, USA, 5-9 February 2011
Erscheinungsdatum: Feb-2011
Sprache: Englisch
Schlagwörter: Diagnostic; Sample preparation; Mass spectrometry; Vitamin D
Fachgebiet (DDC): 540: Chemie
Zusammenfassung: The metabolites 25OH-Vitamin D3/D2 represent the storage form of Vitamin D for the human body. Healthy subjects should display concentrations between 30-70 ng/mL in plasma while a level below 30 ng/mL indicates Vitamin D deficiency. Monitoring 25OH-Vit D3/D2 e.g. by LC-MS/MS is crucial for the detection of those deficiencies which result in severe health threats if not treated in a timely manner. Prior to any analysis by LC-MS/MS, however, most of the matrix – which means proteins, lipids, carbohydrates, salts and others – has to be removed from biological samples like serum or plasma. Extraction using an immobilized liquid is a rapid and simple method to produce sample extracts that are sufficiently matrix-depleted to be directly injected onto an analytical column for quantification by LCMS/MS. In addition, this sample preparation procedure bears a promising potential for straight forward automation.
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): Keine Angabe
Departement: Life Sciences und Facility Management
Organisationseinheit: Institut für Chemie und Biotechnologie (ICBT)
Enthalten in den Sammlungen:Publikationen Life Sciences und Facility Management

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