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Using blue-emitting UiO-66-NH2 with red-emitting Eu-MOF as fluorescence groups, a ratio fluorescence probe (UiO-66-NH2@Eu-MOF) was constructed and successfully applied to the determination of trace PO43- ions in environmental water samples. A ratiometric fluorescent probe for the determination of trace PO43- ions in environmental water samples was constructed via combining blue-emitting UiO-66-NH2 with red-emitting Eu-MOF. As PO43- ions concentration increases, the coupling of PO43- ions with Zr4+ ions in UiO-66-NH2 leads to a weakened ligand-metal charge transfer effect, effectively restoring the luminescence of UiO-66-NH2. Also, an intense coordination of Eu3+ ions with PO43- ions can hinder the ligand-metal energy transfer, destroy the "antenna" effect, and lead to the quenching of Eu-MOF fluorescence. Under optimal conditions, a ratio of the fluorescence intensity at 445 nm to the fluorescence intensity at 633 nm is linearly related to PO43- ions concentration in the range of 1-12 μmol/L. The sensor constructed has a good selectivity and accuracy, thus providing an effective way for the rapid detection of PO43- ions.

, authors=Jiahong ZHENG, Yan ZHOU, authorsList=Jiahong ZHENG, Yan ZHOU, authorCompany=null, correspAuthors=null, authorNote=

ZHENG Jiahong (1983-), female, Ph.D., Associate Professor. E-mail:

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以发射蓝色荧光的UiO-66-NH2和发射红色荧光的Eu-MOFs为荧光基团,构建了比率荧光探针(UiO-66-NH2@Eu-MOFs),成功应用于环境水样中的微量PO43-的检测。将发射蓝色荧光UiO-66-NH2与发射红色荧光Eu-MOF结合,构建了测定环境水样中的微量PO43-的比率荧光探针。结果表明:当PO43-存在时,由于配体-金属电荷转移(LMCT)效应的减弱,导致UiO-66-NH2的荧光增强;另一方面,PO43-和Eu3+的强配位作用将阻止配体-金属的能量转移(LMET),破坏了“天线”效应并导致Eu-MOF的荧光猝灭,在最优条件下,F445/F633与PO43-在1~12 μmol/L浓度范围内呈现良好的线性关系,表明该传感器对检测PO43-有较好的选择性和灵敏性,为PO43-的快速检测提供了一种新思路。

, authors=郑佳红, 周艳, authorsList=郑佳红, 周艳, authorCompany=null, correspAuthors=null, authorNote=

郑佳红(1983—),女,博士,副教授。

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ZHENG Jiahong (1983-), female, Ph.D., Associate Professor. E-mail:

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基于UiO-66-NH2@Eu-MOFs比率荧光探针的构建及其对PO43-检测
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郑佳红 , 周艳
硅酸盐学报 | 研究论文 2023,51(3): 796-802
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硅酸盐学报 |研究论文 2023 , 51 (3) : 796 -802
基于UiO-66-NH2@Eu-MOFs比率荧光探针的构建及其对PO43-检测
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郑佳红 , 周艳
作者信息
  • 长安大学材料科学与工程学院,西安 710061
作者简介:

郑佳红(1983—),女,博士,副教授。

PO43- Ions Detection Based on UiO-66-NH2@Eu-MOFs Ratio Fluorescent Probes
Jiahong ZHENG , Yan ZHOU
Affiliations
  • School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
  • ZHENG Jiahong (1983-), female, Ph.D., Associate Professor. E-mail:

出版时间: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220809
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以发射蓝色荧光的UiO-66-NH2和发射红色荧光的Eu-MOFs为荧光基团,构建了比率荧光探针(UiO-66-NH2@Eu-MOFs),成功应用于环境水样中的微量PO43-的检测。将发射蓝色荧光UiO-66-NH2与发射红色荧光Eu-MOF结合,构建了测定环境水样中的微量PO43-的比率荧光探针。结果表明:当PO43-存在时,由于配体-金属电荷转移(LMCT)效应的减弱,导致UiO-66-NH2的荧光增强;另一方面,PO43-和Eu3+的强配位作用将阻止配体-金属的能量转移(LMET),破坏了“天线”效应并导致Eu-MOF的荧光猝灭,在最优条件下,F445/F633与PO43-在1~12 μmol/L浓度范围内呈现良好的线性关系,表明该传感器对检测PO43-有较好的选择性和灵敏性,为PO43-的快速检测提供了一种新思路。

荧光  /  磷酸根离子  /  配体-金属电荷转移  /  配体-金属能量转移  /  天线效应

Using blue-emitting UiO-66-NH2 with red-emitting Eu-MOF as fluorescence groups, a ratio fluorescence probe (UiO-66-NH2@Eu-MOF) was constructed and successfully applied to the determination of trace PO43- ions in environmental water samples. A ratiometric fluorescent probe for the determination of trace PO43- ions in environmental water samples was constructed via combining blue-emitting UiO-66-NH2 with red-emitting Eu-MOF. As PO43- ions concentration increases, the coupling of PO43- ions with Zr4+ ions in UiO-66-NH2 leads to a weakened ligand-metal charge transfer effect, effectively restoring the luminescence of UiO-66-NH2. Also, an intense coordination of Eu3+ ions with PO43- ions can hinder the ligand-metal energy transfer, destroy the "antenna" effect, and lead to the quenching of Eu-MOF fluorescence. Under optimal conditions, a ratio of the fluorescence intensity at 445 nm to the fluorescence intensity at 633 nm is linearly related to PO43- ions concentration in the range of 1-12 μmol/L. The sensor constructed has a good selectivity and accuracy, thus providing an effective way for the rapid detection of PO43- ions.

fluorescence  /  phosphate  /  ligand-metal charge transfer  /  ligand-metal energy transfer  /  antenna effect
郑佳红, 周艳. 基于UiO-66-NH2@Eu-MOFs比率荧光探针的构建及其对PO43-检测. 硅酸盐学报, 2023 , 51 (3) : 796 -802 . DOI: 10.14062/j.issn.0454-5648.20220809
Jiahong ZHENG, Yan ZHOU. PO43- Ions Detection Based on UiO-66-NH2@Eu-MOFs Ratio Fluorescent Probes[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 796 -802 . DOI: 10.14062/j.issn.0454-5648.20220809
  • 陕西省自然科学专项基金(2020JM-221)
  • 陕西省重点研发项目(2022GY-358)
  • 长安大学中央高校基本科研业务费专项资金资助(300102310203; 300102311405; 300102312406; 300102312405)
  • 大学生创新创业训练计划(S202210710247)
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2023年第51卷第3期
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doi: 10.14062/j.issn.0454-5648.20220809
  • 接收时间:2022-09-27
  • 首发时间:2026-10-20
  • 出版时间:2023-03-20
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出版历史
  • 收稿日期:2022-09-27
  • 修回日期:2022-11-05
基金
陕西省自然科学专项基金(2020JM-221)
陕西省重点研发项目(2022GY-358)
长安大学中央高校基本科研业务费专项资金资助(300102310203; 300102311405; 300102312406; 300102312405)
大学生创新创业训练计划(S202210710247)
作者信息
    长安大学材料科学与工程学院,西安 710061
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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