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Development of New Liquid Chromatographic Method for Mitotane and Its Metabolites Determination in Human Plasma Employing Design of Experiments Methodology
(Taylor & Francis Inc, Philadelphia, 2015)
A simple and reliable new HPLC method with UV detection has been developed and validated for simultaneous determination of mitotane and its two metabolites DDA and DDE. Method development was carried out utilizing systematical ...
Determination of Moxonidine and Its Impurities by Thin-Layer Chromatography
(Taylor & Francis Inc, Philadelphia, 2015)
A thin-layer chromatographic method for simultaneous determination of moxonidine and its four impurities was developed and validated. Separation of the examined compounds was performed on chromatographic plates precoated ...
HPLC evaluation of solvolysis of a novel ester fluocinolone acetonide 21-(2'-phenoxypropionate) in comparison with fluocinonide
(Taylor & Francis Inc, Philadelphia, 2011)
In this study the solvolysis of novel fluocinolone acetonide 21-(2'-phenoxypropionate) in comparison with fluocinonide was analyzed in order to evaluate this process as an in vitro model for prodrug activation. The solvolysis ...
Forced degradation studies of simvastatin using microemulsion liquid chromatography
(Taylor & Francis Inc, Philadelphia, 2010)
In this paper, the definition of simvastatin degradation profile by microemulsion liquid chromatography (MELC) is presented. The aim of the study was to investigate simvastatin stability after various stress tests, such ...
Optimization of Chromatographic Separation of Acetylsalicylic Acid, Amlodipine, Impurity a of Amlodipine, and Atenolol in Hydrophilic Interaction Liquid Chromatography Employing DoE Methodology
(Taylor & Francis Inc, Philadelphia, 2015)
The retention behavior of substances in hydrophilic interaction liquid chromatography (HILIC) is difficult to predict. Mixture investigated in this paper consists of acetylsalicylic acid, amlodipine, impurity A of amlodipine, ...
TLC determination of glimepiride and its main impurities in pharmaceuticals
(Taylor & Francis Inc, Philadelphia, 2013)
A quantitative TLC method was developed for the simultaneous separation and quantification of glimepiride and its main degradation impurities, glimepiride-sulfonamide, and glimepiride-carbamate. Chromatographic analysis ...
Estimation of lipophilicity and retention behavior of some alpha adrenergic and imidazoline receptor ligands using rp-tlc
(Taylor & Francis Inc, Philadelphia, 2014)
The chromatographic behavior of 16 alpha adrenergic and imidazoline receptor ligands has been studied by reversed-phase thin-layer chromatography (RP-TLC) on RP-18 and CN stationary phases. Retention constant R-M(0) was ...
TLC determination of glimepiride and its main impurities in pharmaceuticals
(Taylor & Francis Inc, Philadelphia, 2013)
A quantitative TLC method was developed for the simultaneous separation and quantification of glimepiride and its main degradation impurities, glimepiride-sulfonamide, and glimepiride-carbamate. Chromatographic analysis ...
Investigation of tropicamide and benzalkonium chloride stability using liquid chromatography
(Taylor & Francis Inc, Philadelphia, 2012)
In this study, a development of stability indicating method (SIM) that could be used to detect a decrease in the amount of tropicamide and benzalkonium chloride due to their degradation is described. In the method development, ...
Forced degradation study of torasemide: Characterization of its degradation products
(Taylor & Francis Inc, Philadelphia, 2013)
Torasemide was subjected to forced degradation studies. Stress conditions were varied concerning hydrolysis (acid, base, and neutral), oxidation, photolysis, and thermal degradation in order to identify the potential ...