Now showing items 1-10 of 10819
Separation of the toxic zierin from Zollernia ilicifolia by high speed countercurrent chromatography
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 ...
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
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)