Li Weixia, Lei Jiacheng, He Tiancheng, Gan Yaping, Zhu Yan
College of Quality and Standardization, China, Jiliang University, Hangzhou, 310018, China.
Ecology and Health Institute, Hangzhou Vocational & Technical College, Hangzhou, 310018, China.
Mikrochim Acta. 2025 May 2;192(5):332. doi: 10.1007/s00604-025-07192-z.
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 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 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-NH composite, offering a promising material for the selective enrichment and detection of BPs in food analysis.
设计了一种新型的基于锆的金属有机框架（MOF），其用氧化石墨烯包覆的烯丙基甲基丙烯酸酯-二乙烯基苯微球（AMA/DVB@GO）进行功能化，命名为AMA/DVB@GO@UiO-66-NH。该复合材料对双酚（BPs）表现出极大的吸附容量和选择性，这是由疏水、π-π和氢键等协同相互作用驱动的。我们优化了条件，建立了一种高效的分散微固相萃取方法并结合高效液相色谱法（d-μSPE-HPLC），使用AMA/DVB@GO@UiO-66-NH复合材料从牛奶样品中萃取双酚。该方法的回收率在84.0%至106.6%之间，相对标准偏差低于6.9%，检测限在0.17至0.67μg/L之间。本研究引入了一种新型、亲水性且稳定的AMA/DVB@GO@UiO-66-NH复合材料，为食品分析中双酚的选择性富集和检测提供了一种有前景的材料。
