M. Valcárcel

Publications498
h-index55
Citations12,695
Highly Influential Citations177
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One step carbon nanotubes-based solid-phase extraction for the gas chromatographic-mass spectrometric multiclass pesticide control in virgin olive oils.
This article presents a novel application of carbon nanotubes for the determination of pesticides (chlortoluron, diuron, atrazine, simazine, terbuthylazin-desethyl, dimetoathe, malathion and… Expand
  • 74
  • 6
Monitoring nanoparticles in the environment
The presence of nanoparticles in the environment can have important implications for both environmental and human health. Nanoscience and nanotechnology are expected to change industrial production… Expand
  • 149
  • 5
Stir membrane extraction: a useful approach for liquid sample pretreatment.
In this paper, a novel extraction approach based on the use of a polymeric membrane as the extraction medium is described. For this aim, an original unit which allows the magnetic stirring of the… Expand
  • 53
  • 5
Supercritical fluid extraction of phenol compounds from olive leaves.
A clean, highly selective supercritical fluid extraction (SFE) method for the isolation of phenols from olive leaf samples was examined. Total phenol extracts were determined using the… Expand
  • 129
  • 5
One-step in-syringe ionic liquid-based dispersive liquid-liquid microextraction.
Dispersive liquid-liquid microextraction (DLLME) has been proved to be a powerful tool for the rapid sample treatment of liquid samples providing at the same time high enrichment factors and… Expand
  • 128
  • 4
Analytical Supercritical Fluid Extraction
1 Preliminary Operations of the Analytical Process.- 1.1 Analytical Chemistry Today.- 1.2 The Analytical Process.- 1.3 Preliminary Operations of the Analytical Process.- 1.3.1 Basic Features.- 1.3.2… Expand
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Study of the degradation of the herbicides 2,4-D and MCPA at different depths in contaminated agricultural soil.
Two phenoxyacid herbicides (2,4-D and MCPA) and their six corresponding phenols were determined in soil by using gas chomatography with electron impact mass spectrometry (GC/MS) for… Expand
  • 79
  • 4
Enantiomeric separation of D- and L-carnitine by integrating on-line derivatization with capillary zone electrophoresis.
A new capillary zone electrophoretic method has been developed for the enantiomeric separation and quantification of enantiomers of carnitine, D- and L-carnitine were derivatized with… Expand
  • 34
  • 4
Role of carbon nanotubes in analytical science.
Analytical science has gone through several turning points, one of the most decisive of which was signaled by the development and massive use of instruments for analytical purposes. One other pivotal… Expand
  • 253
  • 3
Potential of nanoparticles in sample preparation.
The paper presents a general overview of the use of nanoparticles to perform sample preparation. In this way the main uses of nanoparticles to carry out solid phase extraction, solid phase… Expand
  • 159
  • 3