基于Sm-MOF构建荧光传感器检测N-乙酰-DL-色氨酸

doi:10.3969/j.issn.2095-2198.2023.06.002

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摘要

以1,4-双(吡唑-1基)对苯二甲酸(H₂L)作为配体与镧系金属Sm离子通过水热法合成三维Sm-MOF材料.实验检测了水溶液中N-乙酰-DL-色氨酸等多种氨基酸，其中N-乙酰-DL-色氨酸的检出限为0.55μmol/L，展示出良好的灵敏度、高选择性和可循环利用性.分别对配体和N-乙酰-DL-色氨酸的LUMO和HOMO进行模拟计算，进而对检测机理进行研究分析，推测N-乙酰-DL-色氨酸使Sm-MOF荧光增强的主要原因是供体-受体电子转移机制.该Sm-MOF作为一种荧光检测材料具有广阔的应用和发展前景.

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关键词: Sm-MOF')" href="#">

Sm-MOF N-乙酰-DL-色氨酸荧光传感

Abstract:

Athree-dimensional Sm-MOF materials were synthesized by hydrothermal method using 1,4-bis(pyrazol-1-yl)terephthalic acid(H₂L)as ligand and lanthanide metal Smions.A variety of amino acids such as N-acetyl-DL-tryptophan in aqueous solution were detected.The detection limit of N-acetyl-DL-tryptophan was 0.55 μmol/L,showing good sensitivity,high selectivity and recyclability.The LUMO and HOMO of the ligand and N-acetyl-DL-tryptophan were simulated,and the detection mechanism was studied and analyzed.It was speculated that the main reason for the fluorescence enhancement of Sm-MOF by N-acetyl-DL-tryptophan was the donor-acceptor electron transfer mechanism.Overall,the Sm-MOF has broad application and development prospects as a fluorescent detection material.

Key words: Sm-MOF')" href="#">

Sm-MOF N-acetyl-DL-tryptophan fluorescence sensing

出版日期: 2024-12-31 发布日期: 2024-09-14 整期出版日期: 2024-12-31

ZTFLH:

O611.4

基金资助:

辽宁省教育厅育苗项目（LQ2020004）

通讯作者: 张莹

作者简介: 李阳（1997—），男，辽宁沈阳人，硕士研究生在读，主要从事MOF材料的制备和应用研究.

引用本文:

李阳, 何靖俊, 冯雨欣, 王阿满, 李令宇, 朱明昌, 张莹.

基于Sm-MOF构建荧光传感器检测N-乙酰-DL-色氨酸 [J]. 沈阳化工大学学报, 2023, 37(6): 486-493.
LI Yang, HE Jingjun, FENG Yuxin, WANG Aman, LI Lingyu, ZHU Mingchang, ZHANG Ying.

ConstructingaFluorescence Sensor Based on Sm-MOF to Detect N-Acetyl-DL-Tryptophan . Journal of Shenyang University of Chemical Technology, 2023, 37(6): 486-493.

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https://xuebao.syuct.edu.cn/CN/10.3969/j.issn.2095-2198.2023.06.002 或 https://xuebao.syuct.edu.cn/CN/Y2023/V37/I6/486

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