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Preliminary assay on the antioxidative activity of Maydis stigma extracts
(Elsevier Science BV, Amsterdam, 2003)
Antioxidative effects of Maydis stigma methanolic extracts were studied on the level of lipid peroxidation in liposomes, induced by Fe2+/ascorbate system and measured spectrophotometrically by the TBA-test. The most ...
Comparison of HPTLC and HPLC for determination of econazole nitrate in topical dosage forms
(Research Inst Medicinal Plants, Budakalasz, 2004)
HPTLC and HPLC methods have been established for separation and quantitative determination of econazole nitrate. HPTLC was performed on silica gel plates with n-butyl acetate-carbon tetrachloride-methanol-diethylamine, 3 ...
Multivariate data visualization methods based on elemental analysis of wines by atomic absorption spectrometry / Metode multivarijantne vizualizacije podataka bazirane na elementalnoj analizi vina atomskom apsorpcionom spektrometrijom
(Srpsko hemijsko društvo, Beograd, 2007)
The contents of five metals (Cu, Mn, Fe, Cd, and Pb) in several red and white wines originating from different regions of Serbia were determined by flame and graphite furnace atomic absorption spectrometry. The data were ...
Densitometric determination of omeprazole, pantoprazole, and their impurities in pharmaceuticals
(Research Inst Medicinal Plants, Budakalasz, 2004)
A method has been developed for separation of omeprazole and pantoprazole, and their impurities omeprazole sulfone and N-methylpantoprazole, by HPTLC. The mobile phase chloroform-2-propanol-25% ammonia-acetonitrile, 10.8 ...
Application of experimental design to the development of an HPLC method for the analysis of ochratoxin A in Triticum aestivum grain
(Govi-Verlag Gmbh, Eschborn, 2004)
Ochratoxin A is a mycotoxin, a natural product of Aspergillus and Penicillium species. It can be present in grain from Triticum aestivum, (Graminae) and other starch-abundant cereals. This paper describes the investigation ...
Diuretic activity of Maydis stigma extract in rats
(Govi-Verlag Pharmazeutischer Verlag Gmbh, Eschborn, 2004)
Maydis stigma (corn silk) is a herbal drug reputed for the treatment of urinary ailments in various traditional medicine systems. To determine its influence on urinary volume and the excretion of sodium, potassium and ...
Determination of all pK(a) values of some di- and tri-carboxylic unsaturated and epoxy acids and their polylinear correlation with the carboxylic group atomic charges
(Scientific Reviews Ltd., 2003)
For a series of seven unsaturated and seven epoxy di- and tricarboxylic acids, pK(a)(a) values were determined potentiometrically in aqueous media at 25 degreesC and an ionic strength of 0.1 M (NaCl). The thermodynamic ...
Synthesis of new stereoisomeric nitrate esters derived from isosorbide-mononitrates
(Freund Publishing House Ltd, London, 2001)
A synthesis of diastereomeric (7R) 7-endo-nitrooxy-3-oxo-2,5,9-trioxabicyclo[4.3.0]nonane (4b) and (7S) 7-exo-nitrooxy-3-oxo-2,5,9-trioxabicyclo[4.3.0] (7b) is described using D-glucitol as a starting compound. Bicyclic ...
Fosinopril-sodium and its degradation product analysis in Monopril® tablets
(Slovensko Kemijsko Drustvo, 2003)
The reversed-phase high-performance liquid chromatographic (RP-HPLC) method has been developed for the simultaneous determination of fosinopril-sodium and its degradation product in Monopril® tablets. The chromatographic ...
Antioxidative effect of nerve growth factor (NGF) in rat thalamus after quinolinic acid-induced neurotoxicity / Efekat NGF na antioksidativnu odbranu u talamusu pacova nakon neurotoksičnog delovanja hinolinske kiseline
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
Quinolinic acid (QA) produces a pattern of selective cell loss in the striatum, that closely mimics that of Huntington's disease (HD). The aim of this study was to investigate the antioxidative status in the thalamus after ...