An ultra-sensitive selective fluorescent sensor based on a 3D zinc-tetracarboxylic framework for the detection and enrichment of trace Cu2+ in aqueous media.
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| Title: | An ultra-sensitive selective fluorescent sensor based on a 3D zinc-tetracarboxylic framework for the detection and enrichment of trace Cu2+ in aqueous media. |
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| Authors: | Han, Mei-Rong1 (AUTHOR), Dong, Wen-Xia2 (AUTHOR), Feng, Si-Si1,3 (AUTHOR) ssfeng@sxu.edu.cn, Lu, Li-Ping1,3 (AUTHOR) luliping@sxu.edu.cn, Li, Zhong-Ping2 (AUTHOR) zl104@sxu.edu.cn |
| Source: | Dalton Transactions: An International Journal of Inorganic Chemistry. 4/14/2021, Vol. 5 Issue 14, p4944-4951. 8p. |
| Subjects: | World Health Organization, United States. Environmental Protection Agency, Detectors, Metal-organic frameworks, Environmental protection, Drinking water, Water sampling |
| Abstract: | Herein, a novel and fluorescent zinc-organic framework sensor [Zn3(μ3-Hbptc)2(μ2-4,4′-bpy)2(H2O)4]n·2nH2O (1) (H4bptc = 2,3,3′,4′-biphenyl tetracarboxylic acid, 4,4′-bpy = 4,4′-bipyridine) is synthesized and characterized, demonstrating its excellent fluorescence performance for Cu2+ detection and the enrichment of Cu2+ in aqueous media. The fluorescence intensity of 1 can be selectively quenched by Cu2+ in a linear range of Cu2+ concentrations of 0–0.7 μM. The limit of detection (LOD) value is as low as 32.4 nM, which is superior to those of most of the fluorescent sensors based on metal–organic frameworks (MOFs). It is also far below the maximum allowable concentration of Cu2+ in drinking water as defined by the U.S. Environmental Protection Agency (EPA) and the World Health Organization (WHO), so it is employed for the detection of Cu2+ in actual water samples. More importantly, the nature of the interaction between the active coordination site (COO−) of 1 and Cu2+ determines the quenching mechanism, that is Cu2+ in the analyte is captured by MOF 1, which has been investigated by ICP, luminescence, UV-vis, XPS, and lifetime studies. Besides, the chemosensor shows regeneration performance without the loss of performance in five consecutive cycles. So MOF 1 is a simple and convenient probe used not only for the rapid detection but also for the enrichment of trace amounts of Cu2+ in aqueous media, and the application can be further extended to a variety of environmental and biological analysis processes. [ABSTRACT FROM AUTHOR] |
| Copyright of Dalton Transactions: An International Journal of Inorganic Chemistry is the property of Royal Society of Chemistry 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 |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 149842488 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: An ultra-sensitive selective fluorescent sensor based on a 3D zinc-tetracarboxylic framework for the detection and enrichment of trace Cu<superscript>2+</superscript> in aqueous media. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Han%2C+Mei-Rong%22">Han, Mei-Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Wen-Xia%22">Dong, Wen-Xia</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Feng%2C+Si-Si%22">Feng, Si-Si</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> ssfeng@sxu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Lu%2C+Li-Ping%22">Lu, Li-Ping</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> luliping@sxu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Zhong-Ping%22">Li, Zhong-Ping</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zl104@sxu.edu.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Dalton+Transactions%3A+An+International+Journal+of+Inorganic+Chemistry%22">Dalton Transactions: An International Journal of Inorganic Chemistry</searchLink>. 4/14/2021, Vol. 5 Issue 14, p4944-4951. 8p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22World+Health+Organization%22">World Health Organization</searchLink><br /><searchLink fieldCode="DE" term="%22United+States%2E+Environmental+Protection+Agency%22">United States. Environmental Protection Agency</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-organic+frameworks%22">Metal-organic frameworks</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+protection%22">Environmental protection</searchLink><br /><searchLink fieldCode="DE" term="%22Drinking+water%22">Drinking water</searchLink><br /><searchLink fieldCode="DE" term="%22Water+sampling%22">Water sampling</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Herein, a novel and fluorescent zinc-organic framework sensor [Zn3(μ3-Hbptc)2(μ2-4,4′-bpy)2(H2O)4]n·2nH2O (1) (H4bptc = 2,3,3′,4′-biphenyl tetracarboxylic acid, 4,4′-bpy = 4,4′-bipyridine) is synthesized and characterized, demonstrating its excellent fluorescence performance for Cu2+ detection and the enrichment of Cu2+ in aqueous media. The fluorescence intensity of 1 can be selectively quenched by Cu2+ in a linear range of Cu2+ concentrations of 0–0.7 μM. The limit of detection (LOD) value is as low as 32.4 nM, which is superior to those of most of the fluorescent sensors based on metal–organic frameworks (MOFs). It is also far below the maximum allowable concentration of Cu2+ in drinking water as defined by the U.S. Environmental Protection Agency (EPA) and the World Health Organization (WHO), so it is employed for the detection of Cu2+ in actual water samples. More importantly, the nature of the interaction between the active coordination site (COO−) of 1 and Cu2+ determines the quenching mechanism, that is Cu2+ in the analyte is captured by MOF 1, which has been investigated by ICP, luminescence, UV-vis, XPS, and lifetime studies. Besides, the chemosensor shows regeneration performance without the loss of performance in five consecutive cycles. So MOF 1 is a simple and convenient probe used not only for the rapid detection but also for the enrichment of trace amounts of Cu2+ in aqueous media, and the application can be further extended to a variety of environmental and biological analysis processes. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Dalton Transactions: An International Journal of Inorganic Chemistry is the property of Royal Society of Chemistry 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: 10.1039/d0dt04370b Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 8 StartPage: 4944 Subjects: – SubjectFull: World Health Organization Type: general – SubjectFull: United States. Environmental Protection Agency Type: general – SubjectFull: Detectors Type: general – SubjectFull: Metal-organic frameworks Type: general – SubjectFull: Environmental protection Type: general – SubjectFull: Drinking water Type: general – SubjectFull: Water sampling Type: general Titles: – TitleFull: An ultra-sensitive selective fluorescent sensor based on a 3D zinc-tetracarboxylic framework for the detection and enrichment of trace Cu2+ in aqueous media. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Han, Mei-Rong – PersonEntity: Name: NameFull: Dong, Wen-Xia – PersonEntity: Name: NameFull: Feng, Si-Si – PersonEntity: Name: NameFull: Lu, Li-Ping – PersonEntity: Name: NameFull: Li, Zhong-Ping IsPartOfRelationships: – BibEntity: Dates: – D: 14 M: 04 Text: 4/14/2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 14779226 Numbering: – Type: volume Value: 5 – Type: issue Value: 14 Titles: – TitleFull: Dalton Transactions: An International Journal of Inorganic Chemistry Type: main |
| ResultId | 1 |
