Synthesis and identification of magnetic nickel oxide nanoparticles for the magnetic solid phase extraction of gemfibrozil and its determination by UV-Vis spectrometer.

Document Type : Original Article


Tehran Islamic Azad University of Medical Sciences, Faculty of Medicinal Chemistry, Department of Chemistry, Tehran, Iran, PO Box: 1913674711


In the presented method, modified magnetic nickel oxide was synthesized and identified for pre-concentration and determination of gemfibrozil in human serum samples, pharmaceutical wastewater and drug. Fourier transform infrared spectrum (FTIR), X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to identify magnetic nickel oxide nanoparticles. Some parameters affecting the extraction, including pH effect, amount and type of elution solvent, extraction time, etc., were optimized and investigated. The concentration factor was 120, the limit of detection (LOD) was 0.16 µg.L-1, and the linear range of the calibration curve was 0.05 to 10 µg.L-1. The adsorption capacity was 52.69 mg.g-1. This method was successfully used to determination of gemfibrozile in human serum samples, pharmaceutical wastewater and drug using UV-Vis spectrometer with recovery in the range of 0.98-0.104%. Then, the samples determined by the proposed method with the results of the standard high-performance liquid chromatography (HPLC) method were compared. The results were checked with T-test and showed that there is no significant difference between the two methods.


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