Densitometric scanning
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Three different accurate, sensitive and reproducible stability-indicating methods for the determination of pipazethate HCl in the presence of its alkaline degradation product are presented. The first method is based on ratio-spectra 1st derivative (RSD1) spectrophotometry of the drug at 305 nm, over a concentration range of 10–70 lg mL1 with mean percentage recovery of 99.69 ± 1.10.
8p kethamoi1 20-11-2019 15 0 Download
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The effects of cold exposure and cold plus phenoxybenzamine treatment on tyrosine hydroxylase (TH) activity and TH m RNA levels were investigated in the adrenal medulla of Sprague Dawley (SD) rats. SD rats were exposed to cold (4 °C) for 48 hours.
8p vitamix 19-02-2019 25 0 Download