Mareike Sandvoß

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A combination of matrix solid-phase dispersion extraction (MSPD) and LC-NMR-MS hyphenation is proposed as a rapid screening method of natural products for unknown compounds. In this report, this new analytical approach is applied for the first time. MSPD represents a significant simplification compared to classical extraction procedures and is thus an(More)
Mentha x piperita shoot tips and first leaf pairs were fed with aqueous solutions of different deuterium-labeled pulegone and various enantiomeric distributions. The essential oil was extracted by solid-phase microextraction and analyzed using enantioselective multidimensional gas chromatography/mass spectrometry. The genuine p-menthan-3-ones (-)-menthone(More)
Pulegone, menthone, and isomenthone isotopomers are synthesized as regioselectively deuterated d(5)- and d(8)-stereoisomers. Deuterium-labeled menthone and isomenthone enantiomers are analyzed using enantioselective multidimensional gas chromatography/mass spectrometry. The deuterated stereoisomers of menthone and isomenthone are separated from the(More)
The hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome is frequently observed in mothers whose offspring have long-chain fatty acid oxidation defects. We previously found that fatty acid oxidation is compromised not only in these inborn errors of metabolism but also in human umbilical vein endothelial cells (HUVECs) from all(More)
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