Analytical chemistry technique with on-line coupling of liquid chromatography to mass spectrometry.
1 Phospholipids were extracted from the four tissues and blood and analysed by HPLC - MS .
2 Subsequent HPLC - MS and NMR analyses resulted in the identification of 1-acetyl-β-carboline as active component.
3 Pyrimethanil was confirmed by high-performance liquid chromatography-mass spectrometry HPLC - MS in the selected ion monitoring mode.
4 SHLI with removal forsythoside A with the technology of HPLC - MS displayed reduced pseudoallergic reaction and a significant improved safety.
5 Five graft-inoculated trees of each variety and three control trees were sampled biweekly and analyzed by HPLC - MS and PCR.
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