Cláudia Margalho

Hair analysis for Δ 9 -THC, Δ 9 -THC-COOH, CBN and CBD, by GC/MS-EI

Maria João Baptista, Paula V. Monsanto, Estela Gouveia Pinho Marques et al. · Forensic Science International · 2002 · 79 citations

Cannabis Use, Biochemistry, Medicine +7

Determination of quinalphos in blood and urine by direct solid-phase microextraction combined with gas chromatography–mass spectrometry

Eugénia Gallardo, Mário Barroso, Cláudia Margalho et al. · Journal of Chromatography B · 2006 · 46 citations

Gas Chromatography–mass Spectrometry, Gas Chromatography, Medicine +9

Application of solid phase microextraction to the determination of strychnine in blood

Mário Barroso, Eugénia Gallardo, Cláudia Margalho et al. · Journal of Chromatography B · 2004 · 38 citations

Engineering, Analytical Microsystems, Biomedical Engineering +16

Determination of amphetamine-type stimulants in urine samples using microextraction by packed sorbent and gas chromatography-mass spectrometry

Sara Malaca, Tiago Rosado, José Restolho et al. · Journal of Chromatography B · 2019 · 33 citations

Packed Sorbent, Medicine, Drug Purity +11

Determination of “new psychoactive substances” in postmortem matrices using microwave derivatization and gas chromatography–mass spectrometry

Cláudia Margalho, Alice Castanheira, Eugénia Gallardo et al. · Journal of Chromatography B · 2016 · 32 citations

Gas Chromatography–mass Spectrometry, Psychoactive Drug, Medicine +11