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Title: Electrospun polyethylene terephthalate/graphene oxide nanofibrous membrane followed by HPLC for the separation and determination of tamoxifen in human blood plasma
Journal: Journal of Separation Science
Author: 1. Hassan Sereshti, Sadjad Bakhtiari, Hamid Najarzadekan, Soheila Samadi
Year: 2017
Address: 1. Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
Abstract: An electrospun polyethylene terephthalate/graphene oxide nanofibrous mat was fabricated and used as an effective and novel membrane for the solid-phase extraction of tamoxifen in human blood plasma samples before detection by high-performance liquid chromatography. The membrane was characterized by some identification techniques, such as FTIR spectroscopy, X-ray diffraction, and scanning electron microscopy. The effective variables of the extraction procedure including desorption condition (type and volume of the eluent), adsorbent dose, pH of sample solution, salt concentration, and sample loading time were investigated and their optimum values were obtained using one factor at a time methodology. Under the optimized conditions, the results showed wide linear concentration range of 5– 2000 ng mL-1 with a determination coefficient of 0.992. The limits of detection and limits of quantification were 1.3 and 5.0 ng mL-1, respectively. The intra-day and inter-day precisions were 3.4 and 4.6%, respectively. The method was successfully applied to determination of tamoxifen in the blood plasma samples and satisfactory relative recoveries (92.6–98.3 %) were achieved.
Keywords: Electrospun nanofibers; High-performance liquid chromatography; Human blood plasma; Membrane solid-phase extraction; Tamoxifen.
Application: Extraction, Membrane
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URL:"" & "/doi/10.1002/jssc.201700312/full"#