نتایج جستجو برای: degradant

تعداد نتایج: 50  

2015
Shobha Rani

A RP-HPLC method was developed for the estimation of Atomoxetine Hydrochloride in tablet formulation, which is novel to the market. Chromatographic separation of the drug was achieved on a ENABLE C-18 G, 5μm, column (250 × 4.6 mm) using a mobile phase, Methanol: Ammonium phosphate buffer pH-3 (80:20 V/V) at a flow rate of 1ml/min. The drug eluted was monitored at 227 nm. The retention time was ...

Journal: Polyolefins Journal 1999

In abiotic degradation the action of light radiation is one of the most important parameters, because polymers undergo degradation due to the action of light (natural or artificial). The aim of this study was to investigate the degradation rate for samples of polypropylene (PP) modified with an organic pro-degradant submitted to ageing in a natural environment and to accelerated ageing test. Th...

Journal: :Journal of chromatographic science 2014
Apexa Patel Arpit Patwari Bhanubhai Suhagia

A sensitive, selective, precise and stability indicating a high-performance thin layer chromatographic method for the analysis of rufinamide (Rf) in bulk drug and its formulations was developed and validated. The method employed thin layer chromatography aluminum plates precoated with silica gel 60 F254 as the stationary phase. The solvent system consisted of chloroform : methanol : glacial ace...

2014
Mehul Dave Mike Nash Graeme C. Young Harma Ellens Mindy H. Magee Andrew D. Roberts Maxine A. Taylor Robert W. Greenhill Gary W. Boyle

The absorption, metabolism, and excretion of darapladib, a novel inhibitor of lipoprotein-associated phospholipase A2, was investigated in healthy male subjects using [C]-radiolabeled material in a bespoke study design. Disposition of darapladib was compared following single i.v. and both single and repeated oral administrations. The anticipated presence of low circulating concentrations of dru...

2012
BHUPENDRASINH K. VAGHELA SURENDRA SINGH RAO P SUNIL REDDY

A novel stability-indicating gradient reverse phase liquid chromatographic method was developed for the quantitative determination of process related impurities and forced degradation products of Dipyridamole in Dipyridamole retard capsules. This method is able separate all seven known impurities which includes two newly identified potential degradant impurities.The method was developed by usin...

2016
Rajesh Deshmukh Lata Sharma Muktika Tekade Prashant Kesharwani Piyush Trivedi Rakesh K. Tekade

In this investigation, sensitive and reproducible methods are described for quantitative determination of deflazacort in the presence of its degradation product. The method was based on high performance liquid chromatography of the drug from its degradation product on reverse phase using Acquity UPLC BEH C18 columns (1.7 µm, 2.1 mm × 150 mm) using acetonitrile and water (40:60 V/V) at a flow ra...

Journal: :European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V 2008
Jane Werling Sabine Graham Heather Owen Lakshmy Nair Thomas Gonyon Phillip W Carter

The physicochemical stability of an aqueous, phospholipid-based dispersion of itraconazole microcrystals was studied as a model water-insoluble drug suspension. The particle size, phospholipid concentrations, free fatty acid (FFA) content, pH, and zeta potential of two test suspensions were followed over 63 days at 5 and 40 degrees C storage conditions. Hydrolysis of a control suspension contai...

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