Претраживање
Приказ резултата 11-20 од 527
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 ...
Antiphospholipid Antibodies and Renal Impairment Parameters in Diabetic Nephropathy: Preliminary Data
(Sage Publications Inc, Thousand Oaks, 2017)
Objective: Antiphospholipid antibodies (aPL Abs) represented an independent factor that was associated with the occurrence and/or progression of nephropathy in patients with antiphospholipid syndrome, but their role in ...
Changes in thymopoiesis in myasthenia gravis
(Taylor & Francis Ltd, Abingdon, 2005)
This study was undertaken to investigate T-cell maturation ill hyperplastic thymi of patients suffering from myasthenia gravis (MG). For this purpose, the expression of the major differentiational molecules (CD4, CD8, and ...
Effects of beta-adrenoceptor blockade on the phenotypic characteristics of thymocytes and peripheral blood lymphocytes
(Taylor and Francis Ltd., 2003)
The study revealed that β-adrenoceptor blockade with propranolol (0. 40 mg/l00 g/day, s.c.) in adult male DA rats: (i) increased the thymocyte proliferation and apoptosis, (ii) caused disturbances in kinetics of T cell ...
Direct separation of the enantiomers of (+/-)-metoprolol tartrate on impregnated TLC plates with D-(-)-tartaric acid as a chiral selector
(Research Inst Medicinal Plants, Budakalasz, 2005)
A method for chromatographic separation of the enantiomers of (+/-)-metoprolol tartrate (+/- MeT) employing a chiral mobile phase additive (CMPA) is described. By using silica gel plates previously impregnated with the ...
Free radical scavenging activity of Achillea alexandri-regis extracts
(Elsevier Science BV, Amsterdam, 2005)
The antioxidative potential of Achillea alexandri-regis has been studied by measuring the influence of herb extracts on hydroxyl and superoxide radicals' quantity in different in vitro systems. The ethyl acetate extract ...
Study of the lipophilicity and retention behavior of some beta-adrenoceptor antagonists
(Springer Nature, 2003)
The chromatographic behavior of some beta-adrenoceptor antagonists has been studied by RP HPTLC on C-18 with water-acetonitrile (phi = 0.2-0.7) and water-dioxane (phi = 0.1-0.5) mobile phases. The retention mechanism was ...
Examination of the hydrophobicity of ACE inhibitors and their active metabolites by salting-out thin-layer chromatography
(Research Inst Medicinal Plants, Budakalasz, 2005)
The behavior of five ACE inhibitors and their active degradation products in salting-out thin-layer chromatography (SO TLC) has been examined on silica gel, cellulose, and polyacrylonitrile (PAN) with aqueous ammonium ...