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Fig. 1: Masspectrometry PEth at a very low concentration. Retention time for PEth 16:0/18:1 (daughter ion 281 m/z) = 4.27 minutes. B-PEth = 0. 02 µmol/L. B-PEth not detected. Internal Standard PBut. PEth Calibrator. PEth Patient. Fig 2 PEth – HPLC chromatogram.
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Fig. 1: Masspectrometry PEth at a very low concentration Retention time for PEth 16:0/18:1 (daughter ion 281 m/z) = 4.27 minutes B-PEth = 0. 02 µmol/L B-PEth not detected
Internal Standard PBut PEth Calibrator PEth Patient Fig 2 PEth – HPLC chromatogram Ann-Kristin Öhlin 2007