Sensitive Determination of Imatinib Mesylate in Human Plasma Using DABCO-Based Ionic Liquid-Modified Magnetic Nanoparticles


In this research, new DABCO-based ionic liquid-modified Fe3O4 nanoparticles (NPs) were synthesized by the quaternization reaction. Modified magnetic NPs were characterized by different techniques. The functionalized magnetic NPs were utilized as a novel sorbent for magnetic SPE of imatinib mesylate (IMA) from human plasma samples followed with UPLC–MS–MS. Effective parameters on the extraction of IMA were studied by three-level Box–Behnken experimental design under response surface methodology. Under the optimized conditions, the proposed method was validated based on the principles of Guidance for Industry Bioanalytical Method Validation by the U.S. Food and Drug Administration. The linearity of the developed method was achieved within the range of 0.7–2500 ng mL−1. The LOD and lower limit of quantification were 0.68 and 0.21 ng mL−1, respectively. Satisfactory extraction recovery values ranged from 93 to 102% for human plasma samples with relative standard deviation values lower than 5.9%. The proposed analysis method was sensitive, efficient, rapid, and practical for the determination of IMA in biological samples.

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This work was supported by the Tehran Central Branch of Islamic Azad University.

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Correspondence to Elaheh Konoz.

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The authors declared that no conflict of interest exists in the submission of this manuscript.

Ethical approval

This is not a clinical study on humans with an ethics committee. Voluntary healthy donors (who signed a questionnaire authorizing the use of their blood bag for research purposes) donate blood to the Iranian Blood Transfusion Organization (IBTO). According to the IAUCTB's official request from the Tehran Blood Transfusion Agency, this agency supplies IAUCTB researchers with frozen plasma samples. It should be noted that IBTO ensures the traceability of laboratory-product donors.

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Sahebi, H., Konoz, E., Ezabadi, A. et al. Sensitive Determination of Imatinib Mesylate in Human Plasma Using DABCO-Based Ionic Liquid-Modified Magnetic Nanoparticles. Chromatographia (2020).

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  • Magnetic nanoparticles
  • Human plasma analysis
  • Imatinib mesylate
  • Magnetic solid-phase extraction