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<p>A novel Zr-based metal–organic framework (MOF) functionalized with graphene oxide-coated allylmethacrylate-divinylbenzene microspheres (AMA/DVB@GO), termed AMA/DVB@GO@UiO-66-NH<sub>2</sub> was designed. The composite exhibits great adsorption capacity and selectivity for bisphenols (BPs), driven by synergistic interactions, including hydrophobic, π-π, and hydrogen bonding. We optimized conditions to establish an efficient dispersive micro-solid phase extraction procedure coupled with high-performance liquid chromatography (d-μSPE-HPLC) for extracting BPs from milk samples, using the AMA/DVB@GO@UiO-66-NH<sub>2</sub> composite. The method achieved recoveries ranging from 84.0 to 106.6%, with relative standard deviations below 6.9% and detection limits between 0.17 and 0.67&#xa0;μg/L. This study introduced a novel, hydrophilic, and stable AMA/DVB@GO@UiO-66-NH<sub>2</sub> composite, offering a promising material for the selective enrichment and detection of BPs in food analysis.</p> Graphical Abstract <p></p>

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Determination of trace bisphenols in milk based on AMA/DVB@GO@UiO-66-NH2 dispersive micro solid-phase extraction coupled with HPLC–UV

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • Weixia Li,
  • Jiacheng Lei,
  • Tiancheng He,
  • Yaping Gan,
  • Yan Zhu

摘要

A novel Zr-based metal–organic framework (MOF) functionalized with graphene oxide-coated allylmethacrylate-divinylbenzene microspheres (AMA/DVB@GO), termed AMA/DVB@GO@UiO-66-NH2 was designed. The composite exhibits great adsorption capacity and selectivity for bisphenols (BPs), driven by synergistic interactions, including hydrophobic, π-π, and hydrogen bonding. We optimized conditions to establish an efficient dispersive micro-solid phase extraction procedure coupled with high-performance liquid chromatography (d-μSPE-HPLC) for extracting BPs from milk samples, using the AMA/DVB@GO@UiO-66-NH2 composite. The method achieved recoveries ranging from 84.0 to 106.6%, with relative standard deviations below 6.9% and detection limits between 0.17 and 0.67 μg/L. This study introduced a novel, hydrophilic, and stable AMA/DVB@GO@UiO-66-NH2 composite, offering a promising material for the selective enrichment and detection of BPs in food analysis.

Graphical Abstract