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A novel 3D Cd2-cluster-based coordination polymer fluorescent probe for the detection of nerve agent simulant and UO22+.

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Title: A novel 3D Cd2-cluster-based coordination polymer fluorescent probe for the detection of nerve agent simulant and UO22+.
Authors: Zhao, Zi-Hao1 (AUTHOR), Yang, Qian-Yu1 (AUTHOR), Xu, Xin-Rui1 (AUTHOR), Liu, Zhi-Wei1 (AUTHOR), Liu, Bing1 (AUTHOR) lbfhyjy@163.com, Tong, Zhao-Yang1 (AUTHOR) billzytong@126.com
Source: Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy. Jul2026, Vol. 355, pN.PAG-N.PAG. 1p.
Subjects: Fluorescent probes, Fluorescence quenching, Hydrogels, Coordination polymers, Chemical warfare agents, Environmental monitoring
Abstract: Sarin and UO 2 2+ severely threaten public health, the environment, and national security, necessitating efficient dual-target detection tools. Herein, a novel 3D Cd 2 cluster-based coordination polymer (CP), namely {Cd 2 (seb) 2 (bbimh) 2 ·2H 2 O} n (NBC-1) was synthesized via hydrothermal method, using Cd(II), 1,6-bis(benzimidazole)hexane (bbimh), and sebacic acid (H 2 seb) as metal center and ligands. NBC-1 crystallizes in triclinic P -1 space group with a 6-connected pcu topology, exhibiting excellent fluorescence and chemical stability. Fluorescence sensing assays revealed that NBC-1 displays exceptional selectivity and sensitivity for the sarin simulant diethyl chlorophosphate (DCP) and UO 2 2+ via fluorescence quenching, with limits of detection (LOD) as low as 32.9 nM and 42.3 nM, respectively. As the first reported CP enabling dual DCP/UO₂2+ detection, it performs reliably in real river water; its derived portable hydrogels support on-site visual detection, making it a versatile field tool for environmental monitoring, public safety screening, and national defense. The novel 3D Cd 2 -cluster coordination polymer (NBC-1) serves as a high-performance fluorescent probe for dual detection of highly hazardous sarin simulants and UO 2 2+. Boasting high sensitivity, strong anti-interference, and reliable performance in real river water, it enables early pollution warning. Additionally, it can be fabricated into portable hydrogels for on-site visual detection, providing practical technical support for environmental monitoring and public safety to safeguard ecosystems and public health. [Display omitted] • A novel 3D Cd 2 -cluster-based coordination polymer (NBC-1) with 6-connected pcu topology is synthesized hydrothermally, showing excellent fluorescence and chemical stability. • NBC-1 realizes dual-target detection of sarin simulant DCP and UO 2 2+ via fluorescence quenching, with ultra-low LODs (32.9 nM and 42.3 nM) and strong anti-interference capability. • It performs reliably in real river water and can be fabricated into portable hydrogels for on-site visual detection, promising in environmental monitoring and public safety. [ABSTRACT FROM AUTHOR]
Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192510337
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: A novel 3D Cd2-cluster-based coordination polymer fluorescent probe for the detection of nerve agent simulant and UO22+.
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  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Zhao%2C+Zi-Hao%22">Zhao, Zi-Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Qian-Yu%22">Yang, Qian-Yu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Xin-Rui%22">Xu, Xin-Rui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Zhi-Wei%22">Liu, Zhi-Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Bing%22">Liu, Bing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lbfhyjy@163.com</i><br /><searchLink fieldCode="AR" term="%22Tong%2C+Zhao-Yang%22">Tong, Zhao-Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> billzytong@126.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Spectrochimica+Acta+Part+A%3A+Molecular+%26+Biomolecular+Spectroscopy%22">Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy</searchLink>. Jul2026, Vol. 355, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Fluorescent+probes%22">Fluorescent probes</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescence+quenching%22">Fluorescence quenching</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogels%22">Hydrogels</searchLink><br /><searchLink fieldCode="DE" term="%22Coordination+polymers%22">Coordination polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+warfare+agents%22">Chemical warfare agents</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+monitoring%22">Environmental monitoring</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sarin and UO 2 2+ severely threaten public health, the environment, and national security, necessitating efficient dual-target detection tools. Herein, a novel 3D Cd 2 cluster-based coordination polymer (CP), namely {Cd 2 (seb) 2 (bbimh) 2 ·2H 2 O} n (NBC-1) was synthesized via hydrothermal method, using Cd(II), 1,6-bis(benzimidazole)hexane (bbimh), and sebacic acid (H 2 seb) as metal center and ligands. NBC-1 crystallizes in triclinic P -1 space group with a 6-connected pcu topology, exhibiting excellent fluorescence and chemical stability. Fluorescence sensing assays revealed that NBC-1 displays exceptional selectivity and sensitivity for the sarin simulant diethyl chlorophosphate (DCP) and UO 2 2+ via fluorescence quenching, with limits of detection (LOD) as low as 32.9 nM and 42.3 nM, respectively. As the first reported CP enabling dual DCP/UO₂2+ detection, it performs reliably in real river water; its derived portable hydrogels support on-site visual detection, making it a versatile field tool for environmental monitoring, public safety screening, and national defense. The novel 3D Cd 2 -cluster coordination polymer (NBC-1) serves as a high-performance fluorescent probe for dual detection of highly hazardous sarin simulants and UO 2 2+. Boasting high sensitivity, strong anti-interference, and reliable performance in real river water, it enables early pollution warning. Additionally, it can be fabricated into portable hydrogels for on-site visual detection, providing practical technical support for environmental monitoring and public safety to safeguard ecosystems and public health. [Display omitted] • A novel 3D Cd 2 -cluster-based coordination polymer (NBC-1) with 6-connected pcu topology is synthesized hydrothermally, showing excellent fluorescence and chemical stability. • NBC-1 realizes dual-target detection of sarin simulant DCP and UO 2 2+ via fluorescence quenching, with ultra-low LODs (32.9 nM and 42.3 nM) and strong anti-interference capability. • It performs reliably in real river water and can be fabricated into portable hydrogels for on-site visual detection, promising in environmental monitoring and public safety. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.saa.2026.127708
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Fluorescent probes
        Type: general
      – SubjectFull: Fluorescence quenching
        Type: general
      – SubjectFull: Hydrogels
        Type: general
      – SubjectFull: Coordination polymers
        Type: general
      – SubjectFull: Chemical warfare agents
        Type: general
      – SubjectFull: Environmental monitoring
        Type: general
    Titles:
      – TitleFull: A novel 3D Cd2-cluster-based coordination polymer fluorescent probe for the detection of nerve agent simulant and UO22+.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Zhao, Zi-Hao
      – PersonEntity:
          Name:
            NameFull: Yang, Qian-Yu
      – PersonEntity:
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            NameFull: Xu, Xin-Rui
      – PersonEntity:
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            NameFull: Liu, Zhi-Wei
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            NameFull: Liu, Bing
      – PersonEntity:
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            NameFull: Tong, Zhao-Yang
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          Dates:
            – D: 05
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 13861425
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            – Type: volume
              Value: 355
          Titles:
            – TitleFull: Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy
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