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A method for the determination of total and reduced methimazole in various biological samples
Grażyna Chwatko1, Veerle M Darras, Edward Bald
1a Department of Environmental Chemistry, Faculty of Chemistry , University of Lodz , Lodz , Poland.
Abstract:
A simple, rapid, reproducible and sensitive method based on HPLC with ultraviolet detection was developed for the determination of methimazole (MMI) in animal tissues and plasma samples. Under the optimum experimental conditions, the calibration curves for MMI were linear in the tested range 0.5-20 mg kg(-1) tissue sample (mg l(-1) plasma) with correlation coefficients better than 0.99. The performance of the proposed method was tested for the determination of MMI levels in brain, liver, thyroid gland and plasma of MMI-treated hens, as well as in their eggs and embryos. The proposed method reduces time and simplifies the sample preparation procedure.
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