Wyniki wyszukiwania dla: PHARMACEUTICAL ANALYSIS
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Urine metabolic fingerprinting using LC–MS and GC–MS reveals metabolite changes in prostate cancer: A pilot study
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Altered levels of nucleoside metabolite profiles in urogenital tract cancer measured by capillary electrophoresis
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Preface
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Steroid profiles as potential biomarkers in patients with urogenital tract cancer for diagnostic investigations analyzed by liquid chromatography coupled to mass spectrometry
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Metabolomics for laboratory diagnostics
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Design of Experiments in metabolomics-related studies: An overview
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Development and validation of urinary nucleosides and creatinine assay by capillary electrophoresis with solid phase extraction
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Blood–brain barrier permeability mechanisms in view of quantitative structure–activity relationships (QSAR)
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Metabolomics in cardiovascular diseases
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Identification of lipid fraction constituents from grasshopper (Chorthippus spp.) abdominal secretion with potential activity in wound healing with the use of GC–MS/MS technique
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Increasing conclusiveness of metabonomic studies by cheminformatic preprocessing of capillary electrophoretic data on urinary nucleoside profiles
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Separation of nicotinic acid and its structural isomers using 1-ethyl-3-methylimidazolium ionic liquid as a buffer additive by capillary electrophoresis
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The determination of elements in herbal teas and medicinal plant formulations and their tisanes
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Understanding element composition of medicinal plants used in herbalism—A case study by analytical atomic spectrometry
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Structure–bioavailability relationship study of genistein derivatives with antiproliferative activity on human cancer cell
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Silylation of acetaminophen by trifluoroacetamide-based silylation agents
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Selected analytical challenges in the determination of pharmaceuticals in drinking/marine waters and soil/sediment samples
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Quantitative determination of diazepam, nitrazepam and flunitrazepam in tablets using thin-layer chromatography–densitometry technique
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Evaluation of the photoprotective effect of β-cyclodextrin on the emission of volatile degradation products of ranitidine
PublikacjaThe process of the photo-excitation of ranitidine hydrochloride (RAN) in a solid state makes visible changes to its colour and generates an unpleasant odour. The purpose of the present study was to observe the protective effects of ˇ-cyclodextrin (CD) complexation as well as the effect of the mixture of two stoichiometries 1:1 and 1:2 (RAN:CD, IC) on the photostability of samples in a solid state. Samples of inclusion complexes...
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Application of vibrational spectroscopy, thermal analyses and X-Ray diffraction in the rapid evaluation of the stability in solid-state of ranitidine, famotidine and cimetidine
PublikacjaThis paper reports the study on applicability of Fourier transform infrared (FTIR), near-infrared (NIR) and Raman spectroscopy, differential scanning calorimetry (DSC) and X-ray diffraction (XRD) for the estimation of the chemical stability and photostability of histamine H2-receptor antagonist substances. Ranitidine hydrochloride (RAN), famotidine (FAM) and cimetidine (CIM) were tested and differences in sensitivity were measured...