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List of works by Quezia Bezerra Cass

A column-switching method for quantification of the enantiomers of omeprazole in native matrices of waste and estuarine water samples.

scientific article published on 21 May 2010

A method for determination of the plasma levels of modafinil enantiomers, (±)-modafinic acid and modafinil sulphone by direct human plasma injection and bidimensional achiral–chiral chromatography

scientific article published on 13 March 2007

A multidimensional high performance liquid chromatography method coupled with amperometric detection using a boron-doped diamond electrode for the simultaneous determination of sulfamethoxazole and trimethoprim in bovine milk

scientific article published on 27 September 2009

A validated higher-performance liquid chromatography method for quantification of cinchonain Ib in bark and phytopharmaceuticals of Trichilia catigua used as Catuaba

scientific article

Absolute configuration reassignment of two chromanes from Peperomia obtusifolia (Piperaceae) using VCD and DFT calculations

Acetylcholinesterase affinity-based screening assay on Lippia gracilis Schauer extracts

scientific article published on 21 February 2018

Acetylcholinesterase capillary enzyme reactor for screening and characterization of selective inhibitors.

scientific article

Acetylcholinesterase immobilized capillary reactors coupled to protein coated magnetic beads: a new tool for plant extract ligand screening

scientific article published on 31 July 2013

Acetylcholinesterase immobilized capillary reactors-tandem mass spectrometry: an on-flow tool for ligand screening.

scientific article

Acetylcholinesterases from Leaf-Cutting ant Atta sexdens: Purification, Characterization, and Capillary Reactors for On-Flow Assays

scientific article published on 01 July 2019

Albendazole sulfoxide enantiomers: Preparative chiral separation and absolute stereochemistry

scientific article published on 31 January 2012

An enantioselective assay for (+/-)-modafinil

scientific article published in August 2001

Angiotensin converting enzyme immobilized on magnetic beads as a tool for ligand fishing

scientific article published on 5 October 2016

Bioanalytical challenge: A review of environmental and pharmaceuticals contaminants in human milk.

scientific article

Capillary bioreactors based on human purine nucleoside phosphorylase: A new approach for ligands identification and characterization

scientific article published on 28 October 2011

Characterization of four Phyllanthus species using liquid chromatography coupled to tandem mass spectrometry

scientific article published on 3 April 2013

Chemical secondary metabolite profiling of Bauhinia longifolia ethanolic leaves extracts

scientific article published in 2019

Chiral separation of 3,4-methylenedioxymethamphetamine (MDMA) enantiomers using batch chromatography with peak shaving recycling and its effects on oxidative stress status in rat liver ⬇️

scientific article published on January 30, 2012

Chromatographic profiles of Phyllanthus aqueous extracts samples: a proposition of classification using chemometric models.

scientific article

Classification of commercial Catuaba samples by NMR, HPLC and chemometrics

scientific article

Determination of albendazole metabolites by direct injection of bovine plasma and multidimensional achiral-chiral high performance liquid chromatography

scientific article published on 10 March 2008

Determination of amoxycillin in human plasma by direct injection and coupled-column high-performance liquid chromatography

scientific article

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

scientific article published in September 2004

Determination of the absolute configuration and solution conformation of gossypol by vibrational circular dichroism

scientific article

Determination of the plasma levels of metyrapone and its enantiomeric metyrapol metabolites by direct plasma injection and multidimensional achiral-chiral chromatography

scientific article published in October 2002

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 and characterization of an immobilized enzyme reactor (IMER) based on human glyceraldehyde-3-phosphate dehydrogenase for on-line enzymatic studies

scientific article

Direct bioanalytical sample injection with 2D LC-MS.

scientific article

Direct injection of native aqueous matrices by achiral–chiral chromatography ion trap mass spectrometry for simultaneous quantification of pantoprazole and lansoprazole enantiomers fractions

scientific article published on 02 March 2011

Effect of water-bath post-polymerization on the mechanical properties, degree of conversion, and leaching of residual compounds of hard chairside reline resins.

scientific article published on 10 January 2009

Enantiomeric Mixtures in Natural Product Chemistry: Separation and Absolute Configuration Assignment

scientific article published on 23 February 2018

Enantiomeric determination of pantoprazole in human plasma by multidimensional high-performance liquid chromatography

scientific article published in January 2002

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 ratios: Why so many notations?

scientific article published on 11 July 2018

Enantiomeric resolution by HPLC of axial chiral amides using amylose tris[(S)-1-phenylethylcarbamate]

scientific article published on 01 January 1997

Enantiomeric resolution of a series of chiral sulfoxides by high-performance liquid chromatography on polysaccharide-based columns with multimodal elution

scientific article published on 01 February 2003

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

scientific article

Enantiomeric resolution of kielcorin derivatives by HPLC on polysaccharide stationary phases using multimodal elution

scientific article published in May 2004

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

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

High-performance liquid chromatography method for the simultaneous determination of sulfamethoxazole and trimethoprim in bovine milk using an on-line clean-up column

scientific article published on 5 October 2005

Immobilization of pectinase from Leucoagaricus gongylophorus on magnetic particles

scientific article published on 01 October 2012

Immobilized purine nucleoside phosphorylase from Schistosoma mansoni for specific inhibition studies ⬇️

scientific article published on March 28, 2013

In Vitro Analysis of Albendazole Sulfoxide Enantiomers Shows that (+)-( R )-Albendazole Sulfoxide Is the Active Enantiomer against Taenia solium ⬇️

scientific article published on December 10, 2012

LC-HRMS and acetylcholinesterase affinity assay as a workflow for profiling alkaloids in Annona salzmannii extract

scientific article published in 2021

Lignan Glycosides fromTrichilia estipulataBark

Meliacin butenolides from Trichilia estipulata

article published in 1998

Micro- and nano-sized amine-terminated magnetic beads in a ligand fishing assay

scientific article published on 07 August 2020

Molecular Structure of the Molybdenum Oxo-Diperoxo Compound MoO(O2)2(OPy)(H2O): A Computational and X-ray Study

scientific article published on 01 November 2001

Multimilligram enantioresolution of low-solubility xanthonolignoids on polysaccharide chiral stationary phases using a solid-phase injection system

scientific article published on 30 January 2006

Multimilligram enantioresolution of sulfoxide proton pump inhibitors by liquid chromatography on polysaccharide-based chiral stationary phase

scientific article

Pharmaceutical trace analysis in aqueous environmental matrices by liquid chromatography–ion trap tandem mass spectrometry

scientific article published on 27 August 2009

Polysaccharide-based chiral phase under polar organic mode of elution in the determination of the enantiomeric purity of emtricitabine an anti-HIV analogue nucleoside

scientific article published in November 2003

Quantification of ampicillin in bovine milk by coupled-column ultrahigh-performance liquid chromatography-tandem mass spectrometry

scientific article published on 15 August 2012

Quantification of carbamazepine and its active metabolite by direct injection of human milk serum using liquid chromatography tandem ion trap mass spectrometry

scientific article published on 30 January 2012

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

scientific article

Quantitative determination of 20-hydroxyecdysone in methanolic extract of twigs from Vitex polygama Cham

scientific article published on 26 January 2006

Rapid ligand fishing for identification of acetylcholinesterase-binding peptides in snake venom reveals new properties of dendrotoxins

scientific article published on 07 July 2018

Real-time investigation of mannosyltransferase function of a Xylella fastidiosa recombinant GumH protein using QCM-D

scientific article published on 19 April 2011

Residual monomer of reline acrylic resins. Effect of water-bath and microwave post-polymerization treatments

scientific article

Resolution and absolute configuration assignment of a natural racemic chromane from Peperomia obtusifolia (Piperaceae).

scientific article published in October 2009

Restricted-access media supports for direct high-throughput analysis of biological fluid samples: review of recent applications

scientific article published on June 2009

Scope of the 2(5H)-furanone helicity rule: a combined ECD, VCD, and DFT investigation

scientific article published on 01 June 2018

Separation and NMR studies on lignans of Raulinoa echinata

scientific article published in January 2001

Simultaneous enantioselective quantification of fluoxetine and norfluoxetine in human milk by direct sample injection using 2-dimensional liquid chromatography–tandem mass spectrometry

scientific article published on 06 May 2016

Simultaneous quantification of sulfamethoxazole and trimethoprim in whole egg samples by column-switching high-performance liquid chromatography using restricted access media column for on-line sample clean-up

scientific article published on 26 August 2007

Spatiotemporal distribution of pharmaceuticals in the Douro River estuary (Portugal).

scientific article published on 21 August 2010

Structure Elucidation and Absolute Stereochemistry of Isomeric Monoterpene Chromane Esters

scientific article published on 14 March 2011

The development of an immobilized enzyme reactor containing glyceraldehyde-3-phosphate dehydrogenase from Trypanosoma cruzi: the effect of species' specific differences on the immobilization.

scientific article

The role of molecular interaction fields on enantioselective and nonselective separation of chiral sulfoxides

scientific article published on 22 May 2006

The solar photo-Fenton process at neutral pH applied to microcystin-LR degradation: Fe2+, H2O2 and reaction matrix effects

scientific article published on 03 July 2020

Two-dimensional chromatography method applied to the enantiomeric determination of lansoprazole in human plasma by direct sample injection

scientific article published in January 2010

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