Green aspects, developments and perspectives of liquid phase microextraction techniques.

Clicks: 508
ID: 76278
2014
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Abstract
Determination of analytes at trace levels in complex samples (e.g. biological or contaminated water or soils) are often required for the environmental assessment and monitoring as well as for scientific research in the field of environmental pollution. A limited number of analytical techniques are sensitive enough for the direct determination of trace components in samples and, because of that, a preliminary step of the analyte isolation/enrichment prior to analysis is required in many cases. In this work the newest trends and innovations in liquid phase microextraction, like: single-drop microextraction (SDME), hollow fiber liquid-phase microextraction (HF-LPME), and dispersive liquid-liquid microextraction (DLLME) have been discussed, including their critical evaluation and possible application in analytical practice. The described modifications of extraction techniques deal with system miniaturization and/or automation, the use of ultrasound and physical agitation, and electrochemical methods. Particular attention was given to pro-ecological aspects therefore the possible use of novel, non-toxic extracting agents, inter alia, ionic liquids, coacervates, surfactant solutions and reverse micelles in the liquid phase microextraction techniques has been evaluated in depth. Also, new methodological solutions and the related instruments and devices for the efficient liquid phase micoextraction of analytes, which have found application at the stage of procedure prior to chromatographic determination, are presented.
Reference Key
spietelun2014greentalanta Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Spietelun, Agata;Marcinkowski, Łukasz;de la Guardia, Miguel;Namieśnik, Jacek;
Journal Talanta
Year 2014
DOI
10.1016/j.talanta.2013.10.050
URL
Keywords
single drop microextraction Mass spectrometry Gas chromatography High performance liquid chromatography HPLC HF pah liquid phase microextraction btex multi-walled carbon nanotube capillary electrophoresis sample preparation green solvent ms spme cloud point extraction polycyclic aromatic hydrocarbon solvent bar microextraction aallme bsed cae ce ciame cpe d-μ-spe dd-sdme dllme dllme-sfo dlpne dsdme dssbme dispersive liquid–liquid microextraction eme emi gc hf-lpme hf-slpme hfm-lllme hs-sdme hollow fiber liquid-phase microextraction il-dmme il-usa-dllme il-usaeme ip-same isfme lle lllme lpme liquid extraction technique madllme mwcnt sa-dllme sbme sc-dhf-lpme sd-dllme sdcme sdme sfod sfome sfvcdme si-dllme sm-dllme sm-llme spmte ss-bvmme st-dllme susme single-drop microextraction solvent microextraction tildlme ua-il-dllme ua-il-dlpme uaseme us-dllme usaeme usaeme-sfo vallme vsllme vsllme-sfo air-assisted liquid–liquid microextraction bell-shaped extraction device benzene toluene ethylbenzene and xylene coacervative extraction cold-induced aggregation microextraction directly suspended droplet microextraction dispersive liquid–liquid microextraction based on the solidification of a floating organic drop dispersive micro solid-phase extraction drop to drop-single drop microextraction dual solvent-stir bars microextraction dynamic liquid phase nanoextraction electro membrane extraction electro membrane isolation headspace single drop microextraction hollow fiber hollow fiber membrane liquid–liquid–liquid microextraction hollow fiber solid–liquid phase microextraction in situ solvent-formation microextraction ion pair based surfactant assisted microextraction ionic liquid based ultrasound-assisted dispersive liquid–liquid microextraction ionic liquid-based ultrasound-assisted emulsification microextraction ionic liquid-linked dual magnetic microextraction liquid–liquid extraction liquid–liquid–liquid microextraction microwave-assisted dispersive liquid–liquid microextraction sequential injection dispersive liquid–liquid microextraction single-drop coacervative microextraction solid phase membrane tip extraction solid-phase microextraction solidification of a floating organic drop solidified floating organic drop microextraction solidified floating vesicular coacervative drop microextraction solvent cooling assisted dynamic hollow-fiber liquid phase microextraction solvent demulsification dispersive liquid–liquid microextraction solvent terminated dispersive liquid–liquid microextraction stir membrane liquid–liquid microextraction supramolecular based dispersive liquid–liquid microextraction supramolecular solvent-based microextraction supramolecular solvent-based vortex-mixed microextraction surfactant-assisted dispersive liquid–liquid microextraction temperature-controlled ionic liquid dispersive liquid phase micro-extraction ultrasound dispersion liquid–liquid microextraction ultrasound-assisted emulsification microextraction with solidification of floating organic droplet ultrasound-assisted emulsification-microextraction ultrasound-assisted ionic liquid dispersive liquid-phase microextraction ultrasound-assisted ionic liquid dispersive liquid–liquid microextraction ultrasound-assisted surfactant-enhanced emulsification microextraction vortex-assisted liquid–liquid microextraction vortex-assisted surfactant-enhanced-emulsification liquid–liquid microextraction vortex-assisted surfactant-enhanced-emulsification liquid–liquid microextraction with solidification of floating organic droplet

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