Abstract: Occurrence of pharmaceutically active compounds in the environment is of great concern and has been the focus of an increasing number of recent studies. Although the use of pharmaceuticals has positive effects on treating many diseases in animals and humans, their improper use...
Keywords: Pharmaceutically; Environment
Abstract: Over the past decades, in vitro and in vivo permeation studies have been widely used in the pharmaceutical area due to their ability to provide important pharmaceutical data for the rational development of topical and transdermal delivery systems. In order to achieve success on topical...
Keywords: liquid chromatography; Anti-inflammatory drugs; Drug skin retained; Epidermis; Dermis; Permeation studies
Abstract: In this communication an attempt has been made to compare the two major classes of natural dyes-Anthraquinoid and Indigoid with their synthetic analog. Madder (Rubia cordifolia n Rubia tinctorum L.) and Indigo (Indigofera tinctoria) dyes were used for this study...
Keywords: Madder dye; Indigo dye; HPTLC; Imaging system; Densitometer; Chromatogram
Abstract: This paper describes a gas chromatography-mass spectrophotometry (GC-MS) method with selected-ion monitoring (SIM ) for the measurement of urine cocaine levels. Cocaine and codeine (internal standard, IS) were extracted from human urine with a mixture of diethylether...
Keywords: Cocaine; GC-MS; Liquid-liquid extraction; Validation
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