Monitoring melatonin and its isomer in Vitis vinifera cv. Malbec by UHPLC‐MS/MS from grape to bottle

Dispersive liquid–liquid microextraction based on solidification of floating organic drop and fluorescence detection for the determination of nitrated polycyclic aromatic hydrocarbons in aqueous samples

Analytical tools for elucidating the biological role of melatonin in plants by LC‐MS/MS

A novel solid phase extraction – Ultra high performance liquid chromatography–tandem mass spectrometry method for the quantification of ochratoxin A in red wines

Determination of scandium in acid mine drainage by ICP-OES with flow injection on-line preconcentration using oxidized multiwalled carbon nanotubes

Determination of nitrated and oxygenated polycyclic aromatic hydrocarbons in water samples by a liquid–liquid phase microextraction procedure based on the solidification of a floating organic drop followed by solvent assisted back-extraction and liquid chromatography–tandem mass spectrometry