Fast microextraction of phthalate acid esters from beverage, environmental water and perfume samples by magnetic multi-walled carbon nanotubes

On-line clean-up by multidimensional liquid chromatography-electrospray ionization tandem mass spectrometry for high throughput quantification of primary and secondary phthalate metabolites in human urine

A review of separation methods for the determination of estrogens and plastics-derived estrogen mimics from aqueous systems

Polythiophene-coated Fe3O4 superparamagnetic nanocomposite: synthesis and application as a new sorbent for solid-phase extraction.

Liquid-liquid extraction (LLE) has been widely used as a pre-treatment technique for separation and preconcentration of organic analytes from aqueous samples. Nevertheless, this technique has several drawbacks, mainly in the use of large volumes of solvents, making LLE an expensive, environmentally-unfriendly technique. Miniaturized methodologies [e.g., liquid-phase microextraction (LPME)] have arisen in the search for alternatives to conventional LLE, using negligible volumes of extracting solvents and reducing the number of steps in the procedure. Developments have led to different approaches to LPME, namely single-drop microextraction (SDME), hollow-fiber LPME (HF-LPME), dispersive liquid-liquid microextraction (DLLME) and solidified floating organic drop microextraction (SFODME). This overview focuses on the application of these microextraction techniques to the analysis of emerging pollutants.

C. Pérez Feás

Papers

Phthalates determination in physiological saline solutions by HPLC-ES-MS.

Direct LC–ES-MS/MS determination of phthalates in physiological saline solutions