AbstractThe authors describe a multifunctional magnetic molecularly imprinted phosphorescent nanoparticle probe for the selective determination of 2,4,6-trichlorophenol (2,4,6-TCP). The probe consists of a magnetite (Fe3O4) core that is coated with a molecularly imprinted polymer doped with Mn-doped ZnS quantum dots (QDs). The MIP was obtained by copolymerization of acrylamide, ethylene glycol dimethacrylate, and 2,4,6-TCP. The resulting nanoprobe shows strong phosphorescence (with excitation/emission peaks at 320/594 nm) due to the presence of the QDs, good magnetism, and high selectivity for 2,4,6-TCP. Under optimal detection condition, response is linear in the 0.1–30 μmol L−1 2,4,6-TCP concentration range. The imprinting factor is 8.84, and the detection limit is 35 nmol L−1. The method was successfully applied to the determination of 2,4,6-TCP in spiked river water and waste water. Graphical abstractSchematic of a multifunctional phosphorescent probe for 2,4,6-trichlorophenol. It consists of a magnetic core coated with a molecularly imprinted polymer shell containing Mn(II) doped ZnS quantum dots whose room-temperature phosphorescence is quenched by 2,4,6-trichlorophenol.

中文翻译：

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用掺杂锰掺杂的 ZnS 量子点的分子印迹聚合物包覆的磁性纳米粒子，用于测定 2,4,6-三氯苯酚

摘要作者描述了一种用于选择性测定 2,4,6-三氯苯酚 (2,4,6-TCP) 的多功能磁性分子印迹磷光纳米粒子探针。该探针由磁铁矿 (Fe3O4) 核心组成，该核心涂有掺杂有 Mn 掺杂 ZnS 量子点 (QD) 的分子印迹聚合物。MIP 由丙烯酰胺、乙二醇二甲基丙烯酸酯和 2,4,6-TCP 共聚而成。由于 QD 的存在、良好的磁性和对 2,4,6-TCP 的高选择性，所得纳米探针显示出强烈的磷光（激发/发射峰位于 320/594 nm）。在最佳检测条件下，响应在 0.1–30 μmol L−1 2,4,6-TCP 浓度范围内呈线性。印记因子为8.84，检测限为35 nmol L-1。该方法成功应用于测定2,4, 加标河水和废水中的 6-TCP。用于 2,4,6-三氯苯酚的多功能磷光探针的图形摘要示意图。它由涂有分子印迹聚合物壳的磁芯组成，该壳含有 Mn(II) 掺杂的 ZnS 量子点，其室温磷光被 2,4,6-三氯苯酚淬灭。