Abstract
A graphene oxide-based aerogel was synthesized and applied to the extraction and the determinations with the HPLC-ultra violet detector. After the characterization of the produced graphene-aerogel, it was utilized as a dispersive solid-phase extraction sorbent for risperidone extraction from plasma samples. Aerogels are materials with a large surface area-to-mass ratio and plenty of core with functional groups which can easily attach to the analytes to extract them to the second phase. The suggested method determined risperidone in plasma samples in the wide dynamic range from 20 ng/mL to 3 μg/mL. The limits of detection and quantification of the developed method were calculated as 2.4 ng/mL and 8.2 ng/mL, respectively. As a novel feature, the developed method has no need to precipitate plasma proteins, improving the analytical performance of the analysis. Also, for the first time, the produced materials were utilized for the extraction of RIS from the plasma samples. The obtained results revealed that the developed approach could be employed as an accurate method for the quantification of risperidone in real plasma samples. This article is protected by copyright. All rights reserved.
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