A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid

As an important biomarker in urine, the level of uric acid is of importance for human health. In this work, a Cu(II) functionalized metal–organic framework (Cu<sup>2+</sup>@Tb-MOFs) is designed and developed as a novel fluorescence probe for wide-range uric acid detection in human urine....

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Main Authors: Jie Yang, Jie Che, Xin Jiang, Yangchun Fan, Daojiang Gao, Jian Bi, Zhanglei Ning
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/15/4803
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author Jie Yang
Jie Che
Xin Jiang
Yangchun Fan
Daojiang Gao
Jian Bi
Zhanglei Ning
author_facet Jie Yang
Jie Che
Xin Jiang
Yangchun Fan
Daojiang Gao
Jian Bi
Zhanglei Ning
author_sort Jie Yang
collection DOAJ
description As an important biomarker in urine, the level of uric acid is of importance for human health. In this work, a Cu(II) functionalized metal–organic framework (Cu<sup>2+</sup>@Tb-MOFs) is designed and developed as a novel fluorescence probe for wide-range uric acid detection in human urine. The study shows that this fluorescence platform demonstrated excellent pH-independent stability, high water tolerance, and good thermal stability. Based on the strong interaction between metal ions and uric acid, the designed Cu<sup>2+</sup>@Tb-MOFs can be employed as efficient turn-on fluorescent probes for the detection of uric acid with wide detection range (0~10<sup>4</sup> µM) and high sensitivity (LOD = 0.65 µM). This probe also demonstrates an anti-interference property, as other species coexisted, and the possibility for recycling. The sensing mechanisms are further discussed at length. More importantly, we experimentally constructed a molecular logic gate operation based on this fluorescence probe for intelligent detection of uric acid. These results suggest the Cu(II) functionalized metal–organic framework can act as a prominent candidate for personalized monitoring of the concentration of uric acid in the human urine system.
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spelling doaj.art-9790d85ab5024a2980e08ae77aea77d42023-12-03T12:49:47ZengMDPI AGMolecules1420-30492022-07-012715480310.3390/molecules27154803A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric AcidJie Yang0Jie Che1Xin Jiang2Yangchun Fan3Daojiang Gao4Jian Bi5Zhanglei Ning6College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaCollege of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, ChinaAs an important biomarker in urine, the level of uric acid is of importance for human health. In this work, a Cu(II) functionalized metal–organic framework (Cu<sup>2+</sup>@Tb-MOFs) is designed and developed as a novel fluorescence probe for wide-range uric acid detection in human urine. The study shows that this fluorescence platform demonstrated excellent pH-independent stability, high water tolerance, and good thermal stability. Based on the strong interaction between metal ions and uric acid, the designed Cu<sup>2+</sup>@Tb-MOFs can be employed as efficient turn-on fluorescent probes for the detection of uric acid with wide detection range (0~10<sup>4</sup> µM) and high sensitivity (LOD = 0.65 µM). This probe also demonstrates an anti-interference property, as other species coexisted, and the possibility for recycling. The sensing mechanisms are further discussed at length. More importantly, we experimentally constructed a molecular logic gate operation based on this fluorescence probe for intelligent detection of uric acid. These results suggest the Cu(II) functionalized metal–organic framework can act as a prominent candidate for personalized monitoring of the concentration of uric acid in the human urine system.https://www.mdpi.com/1420-3049/27/15/4803metal–organic frameworksprobedetectionuric acidlogic gate
spellingShingle Jie Yang
Jie Che
Xin Jiang
Yangchun Fan
Daojiang Gao
Jian Bi
Zhanglei Ning
A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
Molecules
metal–organic frameworks
probe
detection
uric acid
logic gate
title A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
title_full A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
title_fullStr A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
title_full_unstemmed A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
title_short A Novel Turn-On Fluorescence Probe Based on Cu(II) Functionalized Metal–Organic Frameworks for Visual Detection of Uric Acid
title_sort novel turn on fluorescence probe based on cu ii functionalized metal organic frameworks for visual detection of uric acid
topic metal–organic frameworks
probe
detection
uric acid
logic gate
url https://www.mdpi.com/1420-3049/27/15/4803
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