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Separation of the toxic zierin from Zollernia ilicifolia by high speed countercurrent chromatography
(2007-11-01)
Preliminary pharmacological assays of the 70% methanol extract from the leaves of the Brazilian medicinal plant Zollernia ilicifolia Vog. (Fabaceae) showed analgesic and antiulcerogenic effects. Previous analyses have shown ...
Polystyrene-type resin used for peptide synthesis: application for anion-exchange and affinity chromatography
(Elsevier B.V., 2005-03-25)
This paper deals with an unusual application for a copolymer of styrene-1 % divinylbenzene bearing high amount of aminomethyl groups for anion-exchange and affinity chromatography. The so-called aminomethyl resin (AMR), ...
Preparative separation of the naphthopyranone glycosides by high-speed counter-current chromatography
(Elsevier B.V., 2001-04-27)
High-speed counter-current chromatography was applied to the preparative separation and purification of naphthopyranone glycosides from a crude 70% ethanolic extract of the capitula of Paepalanthus microphyllus. The solvent ...
Automated multiresidue analysis of pesticides in olive oil by on-line reversed-phase liquid chromatography-gas chromatography using the through oven transfer adsorption-desorption interface
(Elsevier Science, 2004-01)
A multiresidue, automated and rapid method for the determination of pesticide residues in olive oil is presented. The method employs the through oven transfer adsorption-desorption interface for the on-line coupling of ...
DEVELOPMENT AND VALIDATION OF A METHOD USING INSTRUMENTAL PLANAR CHROMATOGRAPHY FOR QUANTITATIVE ANALYSIS OF CARBAMAZEPINE IN SALIVA
(Sociedad Chilena de Química, 2003)
Determination of flutamide in tablets by high-performance liquid chromatography
(2005-04-01)
Flutamide is a potent antiandrogen used for the treatment of prostatic cancer. A simple, sensitive and accurate high-performance liquid Chromatographic (HPLC) method is presented for quantitative determination of flutamide ...
COMPARISON OF PROVITAMIN-A DETERMINATION BY NORMAL-PHASE GRAVITY-FLOW COLUMN CHROMATOGRAPHY AND REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY
(Friedr Vieweg Sohn Verlag GmbhWiesbaden 1Alemanha, 1992)