Poly(cyclodextrin-ionic liquid) based ferrofluid: A new class of magnetic colloid for dispersive liquid phase microextraction of polycyclic aromatic hydrocarbons from food samples prior to GC-FID analysis

Boon, Yih Hui and Zain, Nur Nadhirah Mohamad and Mohamad, Sharifah and Varanusupakul, Puttaruksa and Osman, Hasnah and Raoov, Muggundha (2020) Poly(cyclodextrin-ionic liquid) based ferrofluid: A new class of magnetic colloid for dispersive liquid phase microextraction of polycyclic aromatic hydrocarbons from food samples prior to GC-FID analysis. Food Chemistry, 314. p. 126214. ISSN 0308-8146

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Official URL: https://doi.org/10.1016/j.foodchem.2020.126214

Abstract

Poly(β-cyclodextrin-ionic liquid) grafted magnetic nanoparticles combined with 1-octanol as supramolecular solvents (SUPRASs) presenting new ferrofluid was developed and successfully applied in the dispersive liquid-phase microextraction of seven representative polycyclic aromatic hydrocarbons. One variable at-a-time (OVAT) analysis and response surface methodology (RSM) were used for efficient optimization of the main variables. The calibration curves were found to be linear in the range of 0.1–150 ng mL−1 with correlation of determinations (R2) ranging from 0.9944 to 0.9986. Detection limits ranged at 0.02–0.07 ng mL−1 for all studied PAHs. The intra and inter-day precision values (RSD %) were in the range of 1.80%–7.56% and 2.97%–8.23%, respectively. The ferrofluid showed a satisfactory reproducibility between 1.72% and 5.90%, and acceptable recovery values at 84%–110% were obtained for the real samples analysis. The optimized method was successfully applied to access the content safety of the PAHs studied in a variety of commercial food and beverages available in Malaysia. © 2020 Elsevier Ltd

Item Type: Article
Uncontrolled Keywords: Ferrofluid; Supramolecular solvents; Polycyclic aromatic hydrocarbons; Gas chromatography-flame ionization detector; Box-Behnken design
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Jun 2020 04:03
Last Modified: 04 Jun 2020 04:03
URI: http://eprints.um.edu.my/id/eprint/24653

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