Gregorio Castañeda

Capillary electrophoretic determination of methotrexate, leucovorin and folic acid in human urine

Gregorio Castañeda, A. Espínosa-Mansilla, María José Rodríguez · Journal of Chromatography B · 2005 · 83 citations

Human Urine, Urology, Capillary Electrophoresis +11

Use of toxicity assays for enantiomeric discrimination of pharmaceutical substances

Fernando de Andrés, Gregorio Castañeda, Ángel Ríos · Chirality · 2008 · 80 citations

Simultaneous spectrophotometric determination of ethinylestradiol and levonorgestrel by partial least squares and principal component regression multivariate calibration

J. J. Berzas Nevado, Gregorio Castañeda · Analytica Chimica Acta · 1997 · 73 citations

Engineering, Gas Chromatography, Calibration +13

Electrochemical sensor for leukemia drug imatinib determination in urine by adsorptive striping square wave voltammetry using modified screen-printed electrodes

Juana Rodrı́guez, Gregorio Castañeda, Isabel Lizcano · Electrochimica Acta · 2018 · 60 citations

Engineering, Medicine, Screen-printed Electrodes +12

Method development and validation for the separation and determination of omeprazole enantiomers in pharmaceutical preparations by capillary electrophoresis

J. J. Berzas Nevado, Gregorio Castañeda, Rosa María Rodríguez Dorado · Analytica Chimica Acta · 2004 · 56 citations

Method Development, Capillary Electrophoresis, Separation Science +9