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List of works by Regina V. Oliveira

A validated liquid chromatography method for the simultaneous determination of vitamins A and E in human plasma

scientific article published on 04 April 2007

Automated direct extraction and analysis of dried blood spots employing on-line SPE high-resolution accurate mass bioanalysis

scientific article published on 05 August 2014

Automated high-capacity on-line extraction and bioanalysis of dried blood spot samples using liquid chromatography/high-resolution accurate mass spectrometry.

scientific article published in November 2014

Biochemical, histopathological and clinical evaluation of delayed effects caused by methamidophos isoforms and TOCP in hens: ameliorative effects using control of calcium homeostasis.

scientific article

Comparative in vitro study of the inhibition of human and hen esterases by methamidophos enantiomers.

scientific article

Determination of gossypol enantiomer ratio in cotton plants by chiral higher-performance liquid chromatography.

scientific article published in September 2004

Development and application of methods for determination of residual monomer in dental acrylic resins using high performance liquid chromatography.

scientific article published in April 2006

Development of achiral and chiral 2D HPLC methods for analysis of albendazole metabolites in microsomal fractions using multivariate analysis for the in vitro metabolism

scientific article published on 13 June 2013

Enantiomeric determination of the plasma levels of omeprazole by direct plasma injection using high-performance liquid chromatography with achiral-chiral column-switching.

scientific article

Enantiomeric resolution of albendazole sulfoxide by semipreparative HPLC and in vitro study of growth inhibitory effects on human cancer cell lines

scientific article

Enantioselective disposition of omeprazole, pantoprazole, and lansoprazole in a same Brazilian subjects group

article

Enantioselective liquid chromatography-mass spectrometry assay for the determination of ifosfamide and identification of the N-dechloroethylated metabolites of ifosfamide in human plasma.

scientific article

Evaluation of liquid chromatographic behavior of cephalosporin antibiotics using restricted access medium columns for on-line sample cleanup of bovine milk.

scientific article published in February 2006

Fully-automated approach for online dried blood spot extraction and bioanalysis by two-dimensional-liquid chromatography coupled with high-resolution quadrupole time-of-flight mass spectrometry.

scientific article

In Vitro Metabolism of Montelukast by Cytochrome P450s and UDP-Glucuronosyltransferases

scientific article

Initial synthesis and characterization of an alpha7 nicotinic receptor cellular membrane affinity chromatography column: effect of receptor subtype and cell type

scientific article

Microsample analyses via DBS: challenges and opportunities.

scientific article published on October 2013

Microwave-assisted digestion procedures for biological samples with diluted nitric acid: identification of reaction products

scientific article published on 9 April 2009

Quantification of cephalexin as residue levels in bovine milk by high-performance liquid chromatography with on-line sample cleanup.

scientific article

Semipreparative enantioseparation of methamidophos by HPLC-UV and preliminary in vitro study of butyrylcholinesterase inhibition.

scientific article published on 9 December 2011