Search Results - "Lanças, F. M."
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Stir Bar Sorptive Extraction-LC-MS for the Analysis of Fluoxetine in Plasma
Published in Chromatographia (01-11-2006)“…A simple, sensitive, and selective method for the analysis of fluoxetine in plasma samples is described in this study. Stir bar sorptive extraction combined…”
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Polydimethylsiloxane/polypyrrole stir bar sorptive extraction and liquid chromatography (SBSE/LC-UV) analysis of antidepressants in plasma samples
Published in Analytica chimica acta (02-02-2009)“…A new polymeric coating consisting of a dual-phase, polydimethylsiloxane (PDMS) and polypyrrole (PPY) was developed for the stir bar sorptive extraction (SBSE)…”
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Computer prediction of triacylglycerol composition of vegetable oils by HRGC
Published in Chromatographia (01-05-1995)Get full text
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Determination of 2,4-D and Dicamba in food crops by MEKC
Published in Chromatographia (01-07-1999)Get full text
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Fast quantitative analysis of soybean oil in olive oil by high‐temperature capillary gas chromatography
Published in Journal of the American Oil Chemists' Society (01-10-1993)“…Analysis of glycerides has always been of great interest, especially to the food industry. Several methods have been developed, and attempts to improve…”
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Design, construction and evaluation of a simple pressurized solvent extraction system
Published in Journal of the Brazilian Chemical Society (2009)“…This work describes the construction and testing of a simple pressurized solvent extraction (PSE) system. A mixture of acetone:water (80:20), 80 ºC and 103.5…”
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Comparison of liquid-liquid extraction (LLE), solid-phase extraction (SPE), and solid-phase microextraction (SPME) for pyrethroid pesticides analysis from enriched river water
Published in Bulletin of environmental contamination and toxicology (01-07-2002)“…In recent years, synthetic pyrethroid pesticides have become widely used as efficient pest control agents because of their advantageous environmental…”
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Simple TLC-Screening of Acylglycerol Levels in Biodiesel as an Alternative to GC Determination
Published in Journal of chromatographic science (01-10-2009)“…Thin layer chromatography (TLC) stained with hot acidic p-anisaldehyde, is an interesting, fast, and low-cost technique to monitor main lipid contaminants such…”
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Determination of Lamotrigine Simultaneously with Carbamazepine, Carbamazepine Epoxide, Phenytoin, Phenobarbital, and Primidone in Human Plasma by SPME-GC-TSD
Published in Journal of chromatographic science (01-04-2002)“…A simple and rapid analytical method is presented for the determination of lamotrigine simultaneously with primidone, carbamazepine, carbamazepine epoxide,…”
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Determination of amitraz in canine plasma by solid-phase microextraction–gas chromatography with thermionic specific detection
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (05-09-2003)“…A simple and rapid analytical method is presented for the determination of amitraz in canine plasma samples using solid-phase microextraction (SPME) and gas…”
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Selective polarity- and adsorption-guided extraction/purification ofAnnona sp. Polar acetogenins and biological assay against agricultural pests
Published in Applied biochemistry and biotechnology (01-03-1998)“…Annonaceae acetogenins (AG) comprise a family of natural chemical modifications of long-chain fatty acids (C^sub 35^_^sub 37^) bearing one to several hydroxyls…”
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Optimization and Validation of HPLC-UV-DAD and HPLC-APCI-MS Methodologies for the Determination of Selected PAHs in Water Samples
Published in Journal of chromatographic science (01-01-2006)“…Polycyclic aromatic hydrocarbons (PAHs) are environmental contaminants resulting from emissions of a variety of sources including industrial combustion,…”
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Supercritical fluid extraction of oxadixyl from food crops
Published in Chromatographia (01-07-1994)Get full text
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Extraction of Norflurazon residues in cotton seeds with supercritical CO2
Published in Chromatographia (01-04-1995)Get full text
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Seed oil extraction with supercritical carbon dioxide modified with pentane
Published in Chromatographia (01-12-1994)Get full text
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Behavior of triazines upon γ-irradiation
Published in Journal of radioanalytical and nuclear chemistry (01-03-1995)Get full text
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HPLC determination of pesticide residues widely employed in sugar-cane cultures in river water samples
Published in Journal of liquid chromatography & related technologies (2004)“…Pesticides are substances used in agriculture, to increase the quantity and quality of agricultural products. They are toxic, cause environmental…”
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Coating of Solid-Phase Microextraction Fibers with Chemically Bonded Silica Particles: Selective Extraction of Polycyclic Aromatic Hydrocarbons from Drinking Water Samples
Published in Journal of chromatographic science (01-10-2002)“…In this study, solid-phase microextraction fibers coated with modified silica particles (5 µm dp) bonded to methyl (C1), hexyl (C6), octyl (C8), and polymeric…”
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