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Analytica Chimica Acta, ISSN 0003-2670, 2011, Volume 701, Issue 2, pp. 119 - 128
Journal Article
Journal of Chromatography A, ISSN 0021-9673, 09/2019, Volume 1602, pp. 1 - 10
In Portugal, and worldwide, the abuse of psychoactive substances is increasing, with a significant incidence of deaths related to their consumption. Opiates... 
Microextraction by packed sorbent | GC–MS/MS | Opiates | Blood
Journal Article
Journal of Chromatography B, ISSN 1570-0232, 07/2019, Volume 1120, pp. 41 - 50
The aim of this work was the development, optimization and full validation of a method applying microextraction by packed sorbent (MEPS) coupled to gas... 
Urine | Microextraction by packed sorbent | Amphetamines | GC–MS | Substance Abuse Detection - methods | Gas Chromatography-Mass Spectrometry - methods | Limit of Detection | Reproducibility of Results | Solid Phase Microextraction - methods | Amphetamine - urine | Humans | Linear Models
Journal Article
Journal of Chromatography A, ISSN 0021-9673, 10/2019, Volume 1603, pp. 61 - 66
A simple procedure based on microextraction by packed sorbent (MEPS) has been proposed for the extraction of dichloropane in oral fluids and its determination... 
Microextraction by packed sorbent | New psychoactive substances | Ion mobility spectrometry | Gas chromatography-mass spectrometry | Saliva | Dichloropane
Journal Article
Journal Article
Archives of Toxicology, ISSN 0340-5761, 1/2018, Volume 92, Issue 1, pp. 213 - 222
Mandelic acid (MA) is a major metabolite of ethylbenzene and styrene. For the first time, a selective, fast, and easy-to-use procedure was developed for the... 
Biomedicine, general | Microextraction by packed sorbent | Biomedicine | Environmental Health | Occupational Medicine/Industrial Medicine | Molecularly imprinted polymer | Urine sample | Mandelic acid | Pharmacology/Toxicology | High-performance liquid chromatography | HIPPURIC-ACID | PHENYLGLYOXYLIC ACID | DERIVATIZATION | EXTRACTION | LIQUID-CHROMATOGRAPHY | GAS-CHROMATOGRAPHY | INJECTION | TOXICOLOGY | CHROMATOGRAPHY-MASS SPECTROMETRY | SAMPLES | VOLATILE ORGANIC-COMPOUNDS | Limit of Detection | Reproducibility of Results | Liquid Phase Microextraction - methods | Solvents - chemistry | Humans | Mandelic Acids - urine | Male | Calibration | Chromatography, High Pressure Liquid | Spectroscopy, Fourier Transform Infrared | Molecular Imprinting - methods | Liquid Phase Microextraction - instrumentation | Ultraviolet Rays | Occupational Exposure - analysis | Polymers - chemistry | Benzene Derivatives - toxicity | Hydrogen-Ion Concentration | Polymerization | Usage | Polymer industry | Polymers | High performance liquid chromatography | Urine | Infrared spectroscopy | Fourier transformation | Elution | Biomonitoring | Fourier transforms | Bulk polymerization | Human exposure | Liquid chromatography | Quantitation | pH effects | Biological monitoring | Ethylbenzene | Sample preparation | Acids | Metabolites | Styrene | Bioindicators | Index Medicus
Journal Article
Bioanalysis, 2015, Volume 7, Issue 17, p. 2155
Microextraction by packed sorbent (MEPS) is a miniaturized form of SPE. MEPS can handle small sample volumes and be connected on-line with LC or GC without any... 
Solid Phase Microextraction - instrumentation | Solid Phase Microextraction - methods | Humans | Absorption, Physicochemical
Journal Article
Microchemical Journal, ISSN 0026-265X, 11/2019, Volume 150, p. 104162
Microextraction by packed sorbent (MEPS) was employed with a new restricted access molecularly imprinted polymer (MIP) for the determination of estrone (E1)... 
Microextraction by packed sorbent | Estriol | Estrone | Restricted access material | Molecularly imprinted polymer | Human urine
Journal Article
Food Control, ISSN 0956-7135, 10/2016, Volume 68, pp. 391 - 398
The development of miniaturized and automatized analytical methods for OTA determination, requiring a reduced use of solvents and a limited involvement of... 
Microextraction by packed sorbent | Wine | Validation | Ochratoxin A | High performance liquid chromatography | Fluorescence detection | HUMAN PLASMA SAMPLES | POLYCYCLIC AROMATIC-HYDROCARBONS | QUANTIFICATION | FOOD SCIENCE & TECHNOLOGY | FOOD-PRODUCTS | CONTAMINATION | MASS-SPECTROMETRY | PERFORMANCE LIQUID-CHROMATOGRAPHY | EUROPEAN COUNTRIES | OTA | Analysis
Journal Article