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Molecularly imprinted based solid phase microextraction method for monitoring valproic acid in human serum and pharmaceutical formulations

  • Razieh ZakerianEmail author
  • Soleiman Bahar
Original Paper
  • 17 Downloads

Abstract

In this paper, a straightforward method is presented to detect valproic acid after its microextraction. Molecularly imprinted polymer fiber was used in conjunction with chromatography-flame ionization to achieve this goal. A narrow bore silica capillary was adopted as a mold, via the copolymerization of meth acrylic acid–ethylene glycol dimethacrylate imprinted with VPA, to synthesize the fiber. Extraction temperature, extraction time, salt addition, pH, stirring rate, and desorption temperature—all of which are factors that can influence the extraction process—were measured, and adjusted accordingly. Linearity, precision, and detection limits, as analytical elements, were also evaluated under optimum conditions. Readings showed a linear range of 0.03–100 µg L− 1 (r2 = 0.998), and the limit of detection was measured as 0.01 µg L− 1. The established method was then applied in selective detection of valproic acid in tablet, syrup and human serum samples successfully.

Keywords

Sample preparation Gas chromatography Serum sample Flame ionization detector 

Notes

Acknowledgements

The authors gratefully acknowledge financial support from University of Kurdistan.

Compliance with ethical standards

Conflict of interest

The authors have declared no conflict of interest.

Supplementary material

13738_2018_1551_MOESM1_ESM.docx (137 kb)
Supplementary material 1 (DOCX 136 KB)

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Copyright information

© Iranian Chemical Society 2018

Authors and Affiliations

  1. 1.Department of Chemistry, Faculty of ScienceUniversity of KurdistanSanandajIran

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