Publications by the researcher in collaboration with Iván Álvarez Freire (7)

2024

  1. Evaluation of an Oral Fluid Collection Device and a Solid-Phase Extraction Method for the Determination of Coca Leaf Alkaloids by Gas Chromatography–Mass Spectrometry

    Molecules, Vol. 29, Núm. 3

2023

  1. Detection of coca alkaloids in oral fluid from coca leaf (tea) consumers: using solid phase extraction to improve validation parameters and widen the detection window

    Analytical Methods, Vol. 15, Núm. 45, pp. 6177-6183

  2. Ultrasound assisted membrane-assisted solvent extraction for the simultaneous assessment of some drugs involved in drug-facilitated sexual assaults by liquid chromatography-tandem mass spectrometry

    Journal of Chromatography A, Vol. 1706

2022

  1. Isolation and quantification of synthetic cannabinoid receptor agonists in human urine using membrane-assisted solvent extraction followed by liquid chromatography-tandem mass spectrometry

    Analytical Methods, Vol. 15, Núm. 3, pp. 333-342

2019

  1. The probability to detect cocaine, methylecgonine, cinnamoylcocaine, hygrine and cuscohygrine in urine samples of coca leaves chewers after six years

    Microchemical Journal, Vol. 151

2016

  1. Solid phase microextraction and gas chromatography–mass spectrometry methods for residual solvent assessment in seized cocaine and heroin

    Analytical and Bioanalytical Chemistry, Vol. 408, Núm. 23, pp. 6393-6402

2010

  1. Matrix solid-phase dispersion on column clean-up/pre-concentration as a novel approach for fast isolation of abuse drugs from human hair

    Journal of Chromatography A, Vol. 1217, Núm. 41, pp. 6342-6349