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In this paper a novel approach to the preparation of a solid-phase extraction sorbent, 1,4,7,10-tetrabenzyl- 1,4,7,10-tetraazacyclododecane (TBCD)/magnetic nanoparticles, was developed. The four benzyl groups of TBCD provide the TBCD functionalized Fe3O4 with strong adsorption capacity for polycyclic aromatic hydrocarbons (PAHs), due to their ??-?? stacking interaction, which increases selectivity of the synthesized material to target analytes. The characterization indicated that the TBCDdoi:10.3303/cet1647053 doaj:cd31cb425149495d85e7027225304a9f fatcat:7q4o5irzy5axfbdok6f4ibkcwu