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Tong F, Yang Z, Wang Z, Liu W, Jiang W, Zhu L, Wang L, Zheng M, Hou R, Zhou Y, Liu Y. Enzyme-mediated Ru@UiO-66@MnO 2 NSs/thiamine-based ratiometric fluorescence sensor for visual detection of organophosphorus pesticide residues. Food Chem 2023; 429:136945. [PMID: 37487398 DOI: 10.1016/j.foodchem.2023.136945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 07/17/2023] [Accepted: 07/17/2023] [Indexed: 07/26/2023]
Abstract
In view of the potential hazards of organophosphorus pesticides (OPs), this paper constructed a ratiometric fluorescent probe utilizing a functionalized metal-organic framework to detect OPs. Ru(bpy)3Cl2 was encapsulated inside UiO-66 as a reference signal, and MnO2 nanosheets (MnO2 NSs) were grown on the surface to obtain Ru@UiO-66@MnO2 NSs. Acetylcholinesterase catalyzed the decomposition of acetylcholine into reductive thiocholine, which consumed MnO2 NSs, thus restoring the Ru@UiO-66 fluorescence. Due to the enzymatic inhibition of OPs and the redox reaction between MnO2 NSs and thiamine, this probe emitted blue fluorescence in the presence of OPs. The probe achieved linear responses to dichlorvos and chlorpyrifos with LODs of 9.99 × 10-6 μg mL-1 and 9.99 × 10-5 μg mL-1. The probe exhibited a satisfactory recovery rate for OPs in green tea. Furthermore, a hydrogel detection platform was developed by embedding the probe into sodium alginate. Overall, this work provides a visual approach to detect OPs in agricultural products.
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Affiliation(s)
- Fei Tong
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Zan Yang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Zheng Wang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Wenya Liu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Wanqi Jiang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Lu Zhu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Lei Wang
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Mingming Zheng
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Ruyan Hou
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Yibin Zhou
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China
| | - Yingnan Liu
- Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, State Key Laboratory of Tea Plant Biology and Utilization, Department of Food Science and Engineering, Anhui Agricultural University, Hefei 230036, China.
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Leith GA, Martin CR, Mayers JM, Kittikhunnatham P, Larsen RW, Shustova NB. Confinement-guided photophysics in MOFs, COFs, and cages. Chem Soc Rev 2021; 50:4382-4410. [PMID: 33594994 DOI: 10.1039/d0cs01519a] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this review, the dependence of the photophysical response of chromophores in the confined environments associated with crystalline scaffolds, such as metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and molecular cages, has been carefully evaluated. Tunability of the framework aperture, cavity microenvironment, and scaffold topology significantly affects emission profiles, quantum yields, or fluorescence lifetimes of confined chromophores. In addition to the role of the host and its effect on the guest, the methods for integration of a chromophore (e.g., as a framework backbone, capping linker, ligand side group, or guest) are discussed. The overall potential of chromophore-integrated frameworks for a wide-range of applications, including artificial biomimetic systems, white-light emitting diodes, photoresponsive devices, and fluorescent sensors with unparalleled spatial resolution are highlighted throughout the review.
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Affiliation(s)
- Gabrielle A Leith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29210, USA.
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