Energy dispersive X-ray fluorescence spectrometry for the direct multi-element analysis of dried blood spots
Spectrochimica Acta Part B: Atomic Spectroscopy(2018)
摘要
Home-based collection protocols for clinical specimens are actively pursued as a means of improving life quality of patients. In this sense, dried blood spots (DBS) are proposed as a non-invasive and even self-administered alternative to sampling whole venous blood. This contribution explores the potential of energy dispersive X-ray fluorescence spectrometry for the simultaneous and direct determination of some major (S, Cl, K, Na), minor (P, Fe) and trace (Ca, Cu, Zn) elements in blood, after its deposition onto clinical filter papers, thus giving rise to DBS.
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关键词
DBS,Blood,Clinical paper,EDXRF,Elements
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