Quantitation of 5-Methyltetrahydrofolic Acid in Dried Blood Spots and Dried Plasma Spots by Stable Isotope Dilution Assays

Open Access

Peer-reviewed

Research Article

Markus Kopp,

Affiliations Chair for Analytical Food Chemistry, Technische Universität München, Freising, Germany, Research Center for Nutrition and Food Science, Technische Universität München, Freising, Germany
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Michael Rychlik

* E-mail: michael.rychlik@tum.de

Affiliation Chair for Analytical Food Chemistry, Technische Universität München, Freising, Germany
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Blood plasma
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Blood
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Red blood cells
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Vitamin C
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Elution
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Solid-phase extraction
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Sodium chloride
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