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Screening of microdialysates taken before and after induced liver damage; on-line solid phase extraction-electrospray ionization-mass spectrometry
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Analytical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Analytical Chemistry.
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2006 (English)In: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1120, no 1-2, 21-26 p.Article in journal (Refereed) Published
Abstract [en]

A novel method is described to follow known and unknown compounds in biological processes using microdialysis sampling and mass spectrometric detection. By implementation of internal standard, desalting/enrichment for the sample work-up, and multivariate data analysis, this methodology is a basis for future applications in early diagnosis of diseases and organ damage, as a complement to the routinely used clinical methods for biological samples. The present study includes screening without specific target analytes, of samples collected by microdialysis from liver of anaesthetized rats before and after local damage to this organ. Sample series were classified by principal component analysis, and the stimulation was identified in the chemical patterns produced by the presented analytical tool.

Place, publisher, year, edition, pages
2006. Vol. 1120, no 1-2, 21-26 p.
Keyword [en]
In vivo microdialysis, Screening, Biomarkers, On-line desalting, Mass Spectrometry, Chemometrics
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-81344DOI: 10.1016/j.chroma.2006.01.110OAI: oai:DiVA.org:uu-81344DiVA: diva2:109259
Available from: 2006-08-17 Created: 2006-08-17 Last updated: 2017-12-14Bibliographically approved

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Bergström, Sara K.Danielsson, RolfAndersson, Marit

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