1
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Lei L, Yang F, Meng X, Xu L, Liang P, Ma Y, Dong Z, Wang Y, Zhang XB, Song G. Noninvasive Imaging of Tumor Glycolysis and Chemotherapeutic Resistance via De Novo Design of Molecular Afterglow Scaffold. J Am Chem Soc 2023; 145:24386-24400. [PMID: 37883689 DOI: 10.1021/jacs.3c09473] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Chemotherapeutic resistance poses a significant challenge in cancer treatment, resulting in the reduced efficacy of standard chemotherapeutic agents. Abnormal metabolism, particularly increased anaerobic glycolysis, has been identified as a major contributing factor to chemotherapeutic resistance. To address this issue, noninvasive imaging techniques capable of visualizing tumor glycolysis are crucial. However, the currently available methods (such as PET, MRI, and fluorescence) possess limitations in terms of sensitivity, safety, dynamic imaging capability, and autofluorescence. Here, we present the de novo design of a unique afterglow molecular scaffold based on hemicyanine and rhodamine dyes, which holds promise for low-background optical imaging. In contrast to previous designs, this scaffold exhibits responsive "OFF-ON" afterglow signals through spirocyclization, thus enabling simultaneous control of photodynamic effects and luminescence efficacy. This leads to a larger dynamic range, broader detection range, higher signal enhancement ratio, and higher sensitivity. Furthermore, the integration of multiple functionalities simplifies probe design, eliminates the need for spectral overlap, and enhances reliability. Moreover, we have expanded the applications of this afterglow molecular scaffold by developing various probes for different molecular targets. Notably, we developed a water-soluble pH-responsive afterglow nanoprobe for visualizing glycolysis in living mice. This nanoprobe monitors the effects of glycolytic inhibitors or oxidative phosphorylation inhibitors on tumor glycolysis, providing a valuable tool for evaluating the tumor cell sensitivity to these inhibitors. Therefore, the new afterglow molecular scaffold presents a promising approach for understanding tumor metabolism, monitoring chemotherapeutic resistance, and guiding precision medicine in the future.
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Affiliation(s)
- Lingling Lei
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Fengrui Yang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Xin Meng
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Li Xu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Peng Liang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Yuan Ma
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Zhe Dong
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Youjuan Wang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Xiao-Bing Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Guosheng Song
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
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2
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He L, Li Q, Zhang Y, Huang K, Du B, Liang L. A naphthalimide functionalized fluoran with AIE effect for ratiometric sensing Hg 2+ and cell imaging application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 296:122672. [PMID: 37003146 DOI: 10.1016/j.saa.2023.122672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/05/2023] [Accepted: 03/23/2023] [Indexed: 05/04/2023]
Abstract
The pollution caused by mercury ions (Hg2+) poses a potential threat to public health. Therefore, monitoring Hg2+ concentration in the environment is necessary and significant. In this work, a naphthalimide functionalized fluoran dye NAF has been prepared, which shows a new red-shift in emission at 550 nm with the maximum intensity in a mixture of water-CH3CN (v/v = 7/3) due to aggregating induced emission (AIE) effect. Meanwhile, NAF can be employed as a Hg2+ ions sensor, which displays a selective and sensitive response to Hg2+ ions by the reduced fluorescence of naphthalimide fluorophore and increased fluorescence of fluoran group, respectively, showing ratiometric fluorescence signal changes with more than 65-fold emission intensity ratio increase and naked eyes visible color change. In addition, the response time is fast (within 1 min) and the sensing can be conducted in a wide pH range (4.0-9.0). Moreover, the detection limit has been evaluated to be 5.5 nM. The sensing mechanism may be attributed to the formation of a π-extended conjugated system due to the Hg2+ ions-induced conversion of spironolactone to the ring-opened form, partially accompanied by the fluorescence resonance energy transfer (FRET) process. Significantly, NAF exhibits suitable cytotoxicity to living HeLa cells, which allows it to be utilized for ratiometric imaging of Hg2+ ions assisted by confocal fluorescence imaging.
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Affiliation(s)
- Liangyu He
- School of Chemistry and Chemical Engineering, Science Park, China West Normal University, Nanchong 637002, China
| | - Qi Li
- School of Chemistry and Chemical Engineering, Science Park, China West Normal University, Nanchong 637002, China
| | - Yaqing Zhang
- School of Chemistry and Chemical Engineering, Science Park, China West Normal University, Nanchong 637002, China
| | - Kun Huang
- School of Chemistry and Chemical Engineering, Science Park, China West Normal University, Nanchong 637002, China.
| | - Bingxin Du
- School of Chemistry and Chemical Engineering, Science Park, China West Normal University, Nanchong 637002, China.
| | - Lijuan Liang
- Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China; Shanghai Frontier Innovation Research Institute, Shanghai 201108, China.
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3
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Lai W, Lin Y, Ye T, Yu Y, Zhou H, Li L, Mao G, Wang J. A Novel Near-Infrared Ratiometric Fluorescence Probe for Hg 2+ Based on Quinoline-Fused Rhodamine Dye. J Fluoresc 2023; 33:1413-1419. [PMID: 36719610 DOI: 10.1007/s10895-023-03149-8] [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: 11/29/2022] [Accepted: 01/13/2023] [Indexed: 02/01/2023]
Abstract
As one of the most toxic metals, Mercury ions cause serious environmental pollution and threaten the health of living organisms. Hence, we designed and synthesised a new near-infrared (NIR) ratiometric fluorescent probe toward monitoring of Hg2+ based on quinoline-fused rhodamine dye. Owing to the specific spirolactam ring-opening reaction, the probe exhibits a ratiometric fluorescent change after treatment of Hg2+ with increased emission in NIR and significantly reduced emission in visible region. The specific response mechanism and dual-channel fluorescence change allow the probe to have remarkable detection selectivity, fast response and high detection sensitivity. Moreover, with the properties of excellent cell permeability and low cytotoxicity, probe can be applied as detection tool for mercury ions with dual-channel ratiometric fluorescence imaging in living cell.
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Affiliation(s)
- Weiping Lai
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163000, China
| | - Yanfei Lin
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China.
| | - Tianqing Ye
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Yating Yu
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Hongwei Zhou
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Lei Li
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Guoliang Mao
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163000, China.
| | - Jianbo Wang
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, China.
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4
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Zhu M, Sun L, Liu X, Pang X, Fan F, Yang X, Hua R, Wang Y. A reversible CHEF-based NIR fluorescent probe for sensing Hg 2+ and its multiple application in environmental media and biological systems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 874:162460. [PMID: 36842597 DOI: 10.1016/j.scitotenv.2023.162460] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/19/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Hg2+ poses a great threat to human health and the environment due to its bioaccumulation and permanent damage. Herein, a reversible CHEF-based near-infrared fluorescent probe 2-(3-((E)-4-((E)-4-(diethylamino)-2- hydroxybenzylidene)amino)styryl)-5,5-dimethylcyclohex-2-en-1-ylidene)propanedinitrile (DHEY) capable of specifically recognizing Hg2+ was constructed. DHEY exhibits advantages of large Stokes shift (157 nm), excellent selectivity, high sensitivity (LOD = 3.2 μg/L), and fast response efficiency (<3 min). Interestingly, DHEY can also realize rapid and effective detection of Hg2+ after being recycled 7 times. The successful recovery of trace Hg2+ in different environmental water samples fully demonstrates the potential of DHEY for actual applications. In particular, DHEY enables real-time observation of the distribution and translocation pattern of exogenous Hg2+ in HeLa cells and zebrafish. This work provides important theoretical support for investigating the fate of heavy metal ions in the environment using fluorescence techniques.
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Affiliation(s)
- Meiqing Zhu
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
| | - Long Sun
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
| | - Xina Liu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Xiaohui Pang
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
| | - Fugang Fan
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Xiaofan Yang
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
| | - Rimao Hua
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Yi Wang
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China; Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, CA 95616, USA.
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5
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Zhoutong S, Jun L, Gang W, Biao C. Design and synthesis of a multifunctional Rhodamine-based chemosensor for simultaneous detection of Cu2+, Zn2+ and endogenous Histidine (His) and its application in living HeLa cells and zebrafishes. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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6
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Gao Y, Song G, Shi G, Xiao J, Yuan C, Ge Y. Simple and Commercially Available 6-chloroimidazo[1,2-a]pyridine-2-carboxylic Acid-based Fluorescent Probe for Monitoring pH Changes. J Fluoresc 2023; 33:305-309. [PMID: 36414919 DOI: 10.1007/s10895-022-03086-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 11/10/2022] [Indexed: 11/23/2022]
Abstract
Commercially available compounds that can be directly used as fluorescent probes will greatly promote the development of fluorescent imaging. Based on our previously work related to nitrogen bridgehead heterocycles, herein, a commercially available compound, 6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid, has been detected for monitoring pH value (3.0-7.0). The probe proves to have high selectivity and sensitivity, brilliant reversibility, and extremely short response time. The real-time imaging of pH changes in yeast was also conducted.
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Affiliation(s)
- Yunlong Gao
- Center for Disease Control and Prevention of Weifang Binhai Economic-Technological Development Area, Weifang, Shandong, People's Republic of China
| | - Guangle Song
- Department of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, No. 619, Changcheng Road, Taian, Shandong, 271016, People's Republic of China
| | - Guowei Shi
- Department of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, No. 619, Changcheng Road, Taian, Shandong, 271016, People's Republic of China
| | - Jixiang Xiao
- Department of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, No. 619, Changcheng Road, Taian, Shandong, 271016, People's Republic of China
| | - Chunhao Yuan
- Department of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, No. 619, Changcheng Road, Taian, Shandong, 271016, People's Republic of China
| | - Yanqing Ge
- Department of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, No. 619, Changcheng Road, Taian, Shandong, 271016, People's Republic of China.
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7
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Liu Y, Wang Z, Lei T, Li Y. Ag(I)‐Promoted Decarboxylative Annulation of Alkynoic Acids towards 2‐Arylimidazo[1,2‐
a
]pyridines. ChemistrySelect 2022. [DOI: 10.1002/slct.202203605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yun Liu
- School of Chemistry and Material Science Jiangsu Normal University Xuzhou 221116 Jiangsu P. R. China
| | - Ziqing Wang
- School of Chemistry and Material Science Jiangsu Normal University Xuzhou 221116 Jiangsu P. R. China
| | - Ting Lei
- School of Chemistry and Material Science Jiangsu Normal University Xuzhou 221116 Jiangsu P. R. China
| | - Yuling Li
- School of Chemistry and Material Science Jiangsu Normal University Xuzhou 221116 Jiangsu P. R. China
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8
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Phenanthroline-benzothiazole Conjugate an “On-Off” Fluorescent Sensor for Hg(II) and its Bioimaging Applications. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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9
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Huang K, Liu Y, Li Q, Yu B, Liang L, Qin D. A quinoline-rhodamine hybrid probe for ratiometricly sensing of Hg 2+ in water and cell imaging application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 281:121651. [PMID: 35872429 DOI: 10.1016/j.saa.2022.121651] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/02/2022] [Accepted: 07/16/2022] [Indexed: 06/15/2023]
Abstract
To develop efficient tools for monitoring toxicant Hg2+ in aqueous solution attracts great attention because the abnormal distribution of Hg2+ in environment poses great threat to human health. We here report the preparation of a novel quinoline-rhodamine hybrid fluorescent probe P7RHg for ratiometricly sensing of Hg2+ in water, with a spirolactam-thiosemicarbazide reaction group. Upon treatment by Hg2+, the ratio of fluorescence intensity (F600/F460) exhibits nearly 90-fold enhancement, presenting two well-resolved emission peaks (140 nm). Meanwhile, the specific Hg2+-induced desulfurization provides probe P7RHg an excellent selectivity to Hg2+, with a detection limit of 8.6 nM. Moreover, the low cytotoxicity allows P7RHg to be employed for tracing Hg2+ in living cells by confocal fluorescence imaging.
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Affiliation(s)
- Kun Huang
- Key Laboratory of Chemical Synthesis and Pollution Control of Sichuan Province, School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Yuting Liu
- Key Laboratory of Chemical Synthesis and Pollution Control of Sichuan Province, School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Qi Li
- Key Laboratory of Chemical Synthesis and Pollution Control of Sichuan Province, School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Bo Yu
- Ecological Security and Protection Key Laboratory of Sichuan Province, College of Resources and Environmental Engineering, Mianyang Normal University, Mianyang 621000, China
| | - Lijuan Liang
- Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China; Shanghai Frontier Innovation Research Institute, Shanghai 201108, China.
| | - Dabin Qin
- Key Laboratory of Chemical Synthesis and Pollution Control of Sichuan Province, School of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
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10
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Che J, Jiang X, Fan Y, Li M, Zhang X, Gao D, Ning Z, Li H. A Novel Dual-Emission Fluorescence Probe Based on CDs and Eu 3+ Functionalized UiO-66-(COOH) 2 Hybrid for Visual Monitoring of Cu 2. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7933. [PMID: 36431418 PMCID: PMC9692640 DOI: 10.3390/ma15227933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/07/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
In this work, CDs@Eu-UiO-66(COOH)2 (denoted as CDs-F2), a fluorescent material made up of carbon dots (CDs) and a Eu3+ functionalized metal-organic framework, has been designed and prepared via a post-synthetic modification method. The synthesized CDs-F2 presents dual emissions at 410 nm and 615 nm, which can effectively avoid environmental interference. CDs-F2 exhibits outstanding selectivity, great sensitivity, and good anti-interference for ratiometric sensing Cu2+ in water. The linear range is 0-200 µM and the limit of detection is 0.409 µM. Interestingly, the CDs-F2's silicon plate achieves rapid and selective detection of Cu2+. The change in fluorescence color can be observed by the naked eye. These results reveal that the CDs-F2 hybrid can be employed as a simple, rapid, and sensitive fluorescent probe to detect Cu2+. Moreover, the possible sensing mechanism of this dual-emission fluorescent probe is discussed in detail.
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Affiliation(s)
- Jie Che
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xin Jiang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Yangchun Fan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Mingfeng Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xuejuan Zhang
- The Experiment Center, Shandong Police College, Jinan 250014, China
| | - Daojiang Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Zhanglei Ning
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Hongda Li
- Liuzhou Key Laboratory for New Energy Vehicle Power Lithium Battery, School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China
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11
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A dual-channel chemosensor based on rhodamine and BODIPY conjugated dyad for ratiometric detection of Hg2+ and fluorescence on–off recognition of Cu2+ in aqueous solution and living cells. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02504-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Fluorescent RET-Based Chemosensor Bearing 1,8-Naphthalimide and Styrylpyridine Chromophores for Ratiometric Detection of Hg2+ and Its Bio-Application. BIOSENSORS 2022; 12:bios12090770. [PMID: 36140155 PMCID: PMC9497167 DOI: 10.3390/bios12090770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022]
Abstract
Dyad compound NI-SP bearing 1,8-naphthalimide (NI) and styrylpyridine (SP) photoactive units, in which the N-phenylazadithia-15-crown-5 ether receptor is linked with the energy donor naphthalimide chromophore, has been evaluated as a ratiometric fluorescent chemosensor for mercury (II) ions in living cells. In an aqueous solution, NI-SP selectively responds to the presence of Hg2+ via the enhancement in the emission intensity of NI due to the inhibition of the photoinduced electron transfer from the receptor to the NI fragment. At the same time, the long wavelength fluorescence band of SP, arising as a result of resonance energy transfer from the excited NI unit, appears to be virtually unchanged upon Hg2+ binding. This allows self-calibration of the optical response. The observed spectral behavior is consistent with the formation of the (NI-SP)·Hg2+ complex (dissociation constant 0.13 ± 0.04 µM). Bio-imaging studies showed that the ratio of fluorescence intensity in the 440–510 nm spectral region to that in the 590–650 nm region increases from 1.1 to 2.8 when cells are exposed to an increasing concentration of mercury (II) ions, thus enabling the detection of intracellular Hg2+ ions and their quantitative analysis in the 0.04–1.65 μM concentration range.
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13
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Liao Y, Wang S, Song Y, Shi Z, Chen G, Nan X, Feng H, He W. A novel bifunctional fluorescent probe for selectively sensing of Hg2+ or ClO- and its application in living cell imaging. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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Liu C, Yu H, Zhang B, Liu S, Liu CG, Li F, Song H. Engineering whole-cell microbial biosensors: Design principles and applications in monitoring and treatment of heavy metals and organic pollutants. Biotechnol Adv 2022; 60:108019. [PMID: 35853551 DOI: 10.1016/j.biotechadv.2022.108019] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 01/18/2023]
Abstract
Biosensors have been widely used as cost-effective, rapid, in situ, and real-time analytical tools for monitoring environments. The development of synthetic biology has enabled emergence of genetically engineered whole-cell microbial biosensors. This review updates the design and optimization principles for a diverse array of whole-cell biosensors based on transcription factors (TF) including activators or repressors derived from heavy metal resistance systems, alkanes, and aromatics metabolic pathways of bacteria. By designing genetic circuits, the whole-cell biosensors could be engineered to intelligently sense heavy metals (Hg2+, Zn2+, Pb2+, Au3+, Cd2+, As3+, Ni2+, Cu2+, and UO22+) or organic compounds (alcohols, alkanes, phenols, and benzenes) through one-component or two-component system-based TFs, transduce signals through genetic amplifiers, and response as various outputs such as cell fluorescence and bioelectricity for monitoring heavy metals and organic pollutants in real conditions, synthetic curli and surface metal-binding peptides for in situ bio-sorption of heavy metals. We further review strategies that have been implemented to optimize the selectivity and correlation between ligand concentration and output signal of the TF-based biosensors, so as to meet requirements of practical applications. The optimization strategies include protein engineering to change specificities, promoter engineering to improve sensitivities, and genetic circuit-based amplification to enhance dynamic ranges via designing transcriptional amplifiers, logic gates, and feedback loops. At last, we outlook future trends in developing novel forms of biosensors.
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Affiliation(s)
- Changjiang Liu
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Huan Yu
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Baocai Zhang
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Shilin Liu
- Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Chen-Guang Liu
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences of Ministry of Education, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Feng Li
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Hao Song
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Key Laboratory of Systems Bioengineering, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
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15
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Liu H, Ren S, Ma C, Shi G, Li Y, Duan G, Ge Y. Copper‐Promoted Direct Decarboxylative C3‐Acylation of Electron‐Rich Indolizines Using α‐Keto Acids. ChemistrySelect 2022. [DOI: 10.1002/slct.202104426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hao Liu
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Shaohong Ren
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Chuanjun Ma
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Guowei Shi
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Yongchao Li
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Guiyun Duan
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
| | - Yanqing Ge
- Department of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences No. 619, Changcheng Road Taian Shandong 271016 China
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16
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Kalita EV, Kim DG, Krynina EM, Sharutin VV, Shlepotina NM, Kolesnikov OL, Shishkova YS, Peshikova MV. Synthesis and halogenation of 2-methylimidazo[1,2-a]pyridine. Antimicrobial activity of 3-bromo-2-methyl-1Н-imidazo[1,2-a]pyridinium bromide. Chem Heterocycl Compd (N Y) 2022. [DOI: 10.1007/s10593-022-03076-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Highly specific and selective fluorescent chemosensor for sensing of Hg(II) by NH-pyrazolate-functionalized AIEgens. Anal Chim Acta 2022; 1208:339824. [DOI: 10.1016/j.aca.2022.339824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/25/2022] [Accepted: 04/07/2022] [Indexed: 11/19/2022]
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18
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Li F, Fan P, Chen X, Lin X, Liu C, Hu C, Yang S, Xiao F. A ratiometric fluorescent strategy based on copper nanoclusters/carbon dots for sensitive detection of doxorubicin. LUMINESCENCE 2022; 37:868-875. [PMID: 35304812 DOI: 10.1002/bio.4230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 03/08/2022] [Accepted: 03/16/2022] [Indexed: 11/09/2022]
Abstract
Sensitive detection of doxorubicin (DOX) is critical for clinical theranostics. A novel ratiometric fluorescence strategy based on inner filter effect (IFE) has been established for sensitive detection of DOX by designing a ratiometric fluorescence probe. In the presence of DOX, the fluorescence intensity of copper nanoclusters (CuNCs) at 485 nm decreases, and the fluorescence intensity of carbon dots (CDs) at 560 nm increases. Therefore, DOX can be quantitatively detected by measuring the ratio of the fluorescence intensities at 560 and 485 nm (F560 /F485 ). The F560 /F485 ratio exhibits a linear correlation to the DOX concentration in the range from 1.0×10-8 M to 1.0×10-4 M with the detection limit of 3.7 nM. Furthermore, this method is also successfully applied to analysis of DOX in human plasma samples, affording an effective platform for drug safety management.
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Affiliation(s)
- Feifei Li
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China.,Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengfei Fan
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Xinbei Chen
- Medical School, Hunan University of Chinese Medicine, Changsha, China
| | - Xi Lin
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China.,Jiading Center for Disease Control and Prevention, Shanghai, China
| | - Can Liu
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Congcong Hu
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Shengyuan Yang
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Fubing Xiao
- Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
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19
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A FRET-based ratiometric fluorescent probe with large pseudo-stokes for the detection of mercury ion based on xanthene and naphthalimide fluorophores. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Li Y, Wen X, Ding X, Teng X, Xiong X, Liu Y. Two types of rhodamine–naphthalimide-based fluorescence sensors for different ratiometric detection of Hg(II) or Fe(III). RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-021-04618-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Wang J, Ding X, Lan Z, Liu G, Hou S, Hou S. Imidazole Compounds: Synthesis, Characterization and Application in Optical Analysis. Crit Rev Anal Chem 2022. [DOI: 10.1080/10408347.2021.2023459] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Junjie Wang
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
| | - Xin Ding
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
| | - Zhenni Lan
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
| | - Guangyan Liu
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
| | - Shili Hou
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
| | - Shifeng Hou
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, P.R. China
- National Engineering and Technology Research Center for Colloidal Materials, Shandong University, Jinan, P.R. China
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22
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Wang J, Lan Z, Hou S, Hou S. A novel symmetrical imidazole-containing framework as a fluorescence sensor for selectively detecting silver ions. Analyst 2021; 146:7618-7626. [PMID: 34786585 DOI: 10.1039/d1an01687c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
In this study, a novel and highly efficient "turn-off" fluorescence imidazole-based sensor (BIB) with a symmetric structure was synthesized by a four-step reaction, from o-phenylenediamine, 6-bromo-2-pyridinecarboxaldehyde, and 1-bromohexane. The sensing mechanism was confirmed via fluorescence titration, HRMS, and 1HNMR techiniques. The results showed that the binding ratio of BIB and Ag+ was 1 : 1 in a DMF-HEPES (pH 7.4) solution (9 : 1, v/v). The fluorescence response of BIB exhibited a good linear response within the Ag+ concentration ranging from 2 × 10-7 to 8 × 10-6 mol L-1, and the limit of detection was calculated to be 4.591 × 10-8 mol L-1. BIB was successfully applied to the detection of Ag+ in water samples with recoveries of 97.25-109.50% and relative standard deviations (RSD) of 1.14-2.45%. In addition, BIB can successfully be applied to qualitatively and quantitatively identify Ag+ in water by test paper strips of BIB, which is fast and convenient. This provides a possible potential for the rapid monitoring of metal ions by sensors in environmental research.
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Affiliation(s)
- Junjie Wang
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China.
| | - Zhenni Lan
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China.
| | - Shili Hou
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China.
| | - Shifeng Hou
- Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China.
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23
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Yuan YC, Liu TZ, Zhao BX. Metal-Free Catalyzed Synthesis of Fluorescent Indolizine Derivatives. J Org Chem 2021; 86:12737-12744. [PMID: 34459206 DOI: 10.1021/acs.joc.1c01292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A mild and high efficient method to prepare indolizines by two-component reaction with the acid as the catalyst was developed. In this reaction, a new ring efficiently formed in one-step reaction. A wide range of substrates could be applied and the desired products were obtained in 8-95% yields under metal-free conditions. Different indolizine derivatives (compounds 3a-3n) were synthesized by general conditions and microwave irradiation conditions, and compound 3a gave the best results with an isolated yield of 95% and 82%, respectively. The structures of synthesized compounds were characterized by spectral analysis, and compound 3m was confirmed by single crystal X-ray analysis. UV-vis absorption and fluorescence properties of these compounds were correlated with substituent groups on indolizine rings.
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Affiliation(s)
- Yu-Chang Yuan
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China
| | - Tian-Zhen Liu
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China
| | - Bao-Xiang Zhao
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China
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24
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Wen D, Deng X, Xu G, Wu H, Yu Y. A novel FRET fluorescent probe based on BODIPY- rhodamine system for Hg2+ imaging in living cells. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130323] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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25
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Pan J, Ma J, Liu L, Li D, Huo Y, Liu H. A novel carbazole-based highly sensitive and selective turn-on fluorescent probe for mercury (II) ions in aqueous THF. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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26
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A Simple Determination of Trinitrotoluene (TNT) Based on Fluorescence Quenching of Rhodamine 110 with FRET Mechanism. J Fluoresc 2021; 31:989-997. [PMID: 33880706 DOI: 10.1007/s10895-021-02731-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 04/09/2021] [Indexed: 10/21/2022]
Abstract
Sensitive and selective detection of nitroaromatic explosives is an important issue in regard to human health, environment, public security and military issues. In this study, a simple and sensitive fluorescence quenching - based assay utilizing Rhodamine 110 as fluorophore probe was developed for the determination of trinitrotoluene (TNT). This sensitive fluorometric method could measure the decrease in fluorescence of Rhodamine 110 (λex = 490 nm, λem = 521 nm) owing to the primary amine groups of Rhodamine 110 (different from other rhodamines) capable of donor-acceptor interaction with TNT. The resulting TNT-amine complex can strongly quench the fluorescence emission of Rhodamine 110 by fluorescence resonance energy transfer (FRET) which occurs as the excited Rhodamine 110 fluorophore (donor) transfers its energy to TNT (acceptor) by non-radiative dipole-dipole interaction. Fluorescence quenching varied linearly with TNT concentration, with LOD and the LOQ of 0.71 and 2.38 mg L- 1 TNT, respectively. Similar explosives, common soil ions, and possible camouflage materials were found not to interfere with the proposed method, offering significant advantages with its easy methodology, low-cost, sensitivity, and rapidity of analysis. FRET mechanism based on dye donor-TNT acceptor interaction.
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27
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Jiang Y, Li H, Chen R, Liu W, Chen C, Li Z, Liu W. Novel fluorescent probe based on dicoumarin for rapid on-site detection of Hg 2+ in loess. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119438. [PMID: 33461142 DOI: 10.1016/j.saa.2021.119438] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/31/2020] [Accepted: 01/02/2021] [Indexed: 06/12/2023]
Abstract
It is momentous to exploit rapid, specific and on-site detection methods for mercury ion (Hg2+) in loess, as the severe toxicity of Hg2+ and the fragile ecological environment of Loess Plateau. In this paper, a novel fluorescent probe DC-Hg (Dicoumarin-Hg) was synthesized by 3-hydroxybiscoumarin and phenyl thiochloroformate at room temperature. DC-Hg could exclusively combine with Hg2+ to 'turn-on' yellow fluorescence at 530 nm among various other metal ions. The relationship between the remarkable increase in intensity and concentration of Hg2+ was associated with photoinduced electron transfer (PET), which was founded by Job's plot and 1H NMR. The limit detection of DC-Hg showed to 85.25 nM in aqueous medium, which could be applied to varying situations. For the loess samples, they were only extracted by hand-shake and filtration for quickly complete the treatment operation on site, and the results proved that DC-Hg could satisfactorily detect the Hg2+ in mercury pollution areas.
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Affiliation(s)
- Youhong Jiang
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China
| | - Huiwen Li
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China
| | - Ruofei Chen
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China
| | - Wei Liu
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, PR China
| | - Chunyang Chen
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China.
| | - Zhongguo Li
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China.
| | - Weisheng Liu
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China.
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28
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Jiang H, Tang D, Li N, Li J, Li Z, Han Q, Liu X, Zhu X. A novel chemosensor for the distinguishable detections of Cu 2+ and Hg 2+ by off-on fluorescence and ratiometric UV-visible absorption. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119365. [PMID: 33418474 DOI: 10.1016/j.saa.2020.119365] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
A novel dual-functional chemosensor, derived from the conjugation of rhodamine B with a quinoline derivative (RHQ), was firstly synthesized with high efficiency and cost-effectiveness for the distinguishable detections of Cu2+ and Hg2+ via ring-opening and ring-forming mechanism. The chemosensor exhibits highly selective and distinguishable responses for Cu2+ and Hg2+ in CH3CN-H2O (4:1, v/v) with off-on fluorescence and ratiometric ultraviolet-visible (UV-Vis) absorption changes. Additionally, Cu2+ is identified by opening a rhodamine spirocycle with a UV-Vis absorption band, at around 560 nm and fluorescence turn-on. Interestingly, Hg2+ is discerned by opening the rhodamine spirocycle and by generating a new special cycle for the quinoline unit. Resultantly, there were two UV-Vis absorption bands at around 365 nm and 560 nm, which were accompanied by fluorescence turn-on. Moreover, the chemosensor can quantitatively detect Cu2+ and Hg2+ by off-on fluorescence and ratiometric UV-Vis absorption changes, respectively. Furthermore, the chemosensor with low cytotoxicity could be successfully administered to monitor Cu2+ and Hg2+ in living cells. This work may pay the way for the development of dual-functional chemosensor for quantificationally detecting metal ions in environmental and biological systems.
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Affiliation(s)
- Huie Jiang
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China; Department of Chemistry, Hong Kong Baptist University, Hong Kong, China.
| | - Danni Tang
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Nihao Li
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Junwei Li
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zhijian Li
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Qingxin Han
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xinhua Liu
- College of Bioresources Chemistry and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xunjin Zhu
- Department of Chemistry, Hong Kong Baptist University, Hong Kong, China.
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29
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Yilmaz B, Keskinates M, Bayrakci M. Novel integrated sensing system of calixarene and rhodamine molecules for selective colorimetric and fluorometric detection of Hg 2+ ions in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 245:118904. [PMID: 32932034 DOI: 10.1016/j.saa.2020.118904] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 08/25/2020] [Accepted: 08/29/2020] [Indexed: 06/11/2023]
Abstract
Three novel and facile calixarene derivatives (5, 6 and 7), which were appended with four rhodamine units at the upper rim of calixarene skeleton, were firstly prepared and evaluated for selective detection of metal ions in solution. Receptors (5) and (7) indicated immediate turn on fluorescence output toward Hg2+ ions over other most competitive metal ions with the ultralow detection limits, indicating their high efficiency and reliability. The binding response to Hg2+ ions in solution was also observed through a chromogenic change (from colorless to pale pink). Furthermore, in vitro and bio-imaging studies with MCF-7 or MIA PaCa-2 cell lines were also performed to investigate the use of receptors in biological systems in order to monitor of mercury ions. Results showed that new receptors (5) or (7) were cell permeable and suitable for real-time imaging of Hg2+ in living cells (MCF-7) or (MIA PaCa-2) without any damage to healthy cell lines (HEK 293).
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Affiliation(s)
- Bahar Yilmaz
- Karamanoglu Mehmetbey University, Faculty of Engineering, Department of Bioengineering, 70200 Karaman, Turkey
| | - Mukaddes Keskinates
- Karamanoglu Mehmetbey University, Faculty of Engineering, Department of Bioengineering, 70200 Karaman, Turkey
| | - Mevlut Bayrakci
- Karamanoglu Mehmetbey University, Faculty of Engineering, Department of Bioengineering, 70200 Karaman, Turkey.
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30
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Panchenko PA, Efremenko AV, Feofanov AV, Ustimova MA, Fedorov YV, Fedorova OA. Ratiometric Detection of Mercury (II) Ions in Living Cells Using Fluorescent Probe Based on Bis(styryl) Dye and Azadithia-15-Crown-5 Ether Receptor. SENSORS 2021; 21:s21020470. [PMID: 33440801 PMCID: PMC7826577 DOI: 10.3390/s21020470] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/02/2021] [Accepted: 01/05/2021] [Indexed: 11/16/2022]
Abstract
Bis(styryl) dye 1 bearing N-phenylazadithia-15-crown-5 ether receptor has been evaluated as a ratiometric fluorescent chemosensor for mercury (II) ions in living cells. In aqueous solution, probe 1 selectively responds to the presence of Hg2+ via the changes in the emission intensity as well as in the emission band shape, which is a result of formation of the complex with 1:1 metal to ligand ratio (dissociation constant 0.56 ± 0.15 µM). The sensing mechanism is based on the interplay between the RET (resonance energy transfer) and ICT (intramolecular charge transfer) interactions occurring upon the UV/Vis (380 or 405 nm) photoexcitation of both styryl chromophores in probe 1. Bio-imaging studies revealed that the yellow (500-600 nm) to red (600-730 nm) fluorescence intensity ratio decreased from 4.4 ± 0.2 to 1.43 ± 0.10 when cells were exposed to increasing concentration of mercury (II) ions enabling ratiometric quantification of intracellular Hg2+ concentration in the 37 nM-1 μM range.
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Affiliation(s)
- Pavel A. Panchenko
- Laboratory of Photoactive Supramolecular systems, A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), 119991 Moscow, Russia; (M.A.U.); (Y.V.F.); (O.A.F.)
- Department of Technology of Fine Organic Synthesis and Chemistry of Dyes, Dmitry Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
- Correspondence: ; Tel.: +7-905-525-07-93
| | - Anastasija V. Efremenko
- Biological Faculty, Lomonosov Moscow State University, 119992 Moscow, Russia; (A.V.E.); (A.V.F.)
- Laboratory of Optical Microscopy and Spectroscopy, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of Russian Academy of Sciences, 117997 Moscow, Russia
| | - Alexey V. Feofanov
- Biological Faculty, Lomonosov Moscow State University, 119992 Moscow, Russia; (A.V.E.); (A.V.F.)
- Laboratory of Optical Microscopy and Spectroscopy, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of Russian Academy of Sciences, 117997 Moscow, Russia
| | - Mariya A. Ustimova
- Laboratory of Photoactive Supramolecular systems, A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), 119991 Moscow, Russia; (M.A.U.); (Y.V.F.); (O.A.F.)
| | - Yuri V. Fedorov
- Laboratory of Photoactive Supramolecular systems, A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), 119991 Moscow, Russia; (M.A.U.); (Y.V.F.); (O.A.F.)
| | - Olga A. Fedorova
- Laboratory of Photoactive Supramolecular systems, A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), 119991 Moscow, Russia; (M.A.U.); (Y.V.F.); (O.A.F.)
- Department of Technology of Fine Organic Synthesis and Chemistry of Dyes, Dmitry Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
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31
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Duan G, Liu H, Zhang L, Yuan C, Li Y, Ge Y. Access to 6-hydroxy indolizines and related imidazo[1,5-a]pyridines through the SN2 substitution/condensation/tautomerization cascade process. RSC Adv 2021; 11:25624-25627. [PMID: 35478892 PMCID: PMC9036982 DOI: 10.1039/d1ra04425g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/19/2021] [Indexed: 11/21/2022] Open
Abstract
A simple and efficient cascade reaction was developed for the construction of hydroxy substituted indolizines from pyrrole-2-carbaldehydes and commercially available 4-halogenated acetoacetic esters.
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Affiliation(s)
- Guiyun Duan
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
| | - Hao Liu
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
| | - Liqing Zhang
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
| | - Chunhao Yuan
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
| | - Yongchao Li
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
| | - Yanqing Ge
- Department of Pharmacy
- Shandong First Medical University
- Shandong Academy of Medical Sciences
- Taian
- P. R. China
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32
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The research progress of organic fluorescent probe applied in food and drinking water detection. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213557] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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33
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Zhu Z, Ding H, Wang Y, Fan C, Tu Y, Liu G, Pu S. A ratiometric and colorimetric fluorescent probe for the detection of mercury ion based on rhodamine and quinoline–benzothiazole conjugated dyad. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112657] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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34
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Zhao G, Yi C, Wei G, Wu R, Gu Z, Guang S, Xu H. Molecular design strategies of multifunctional probe for simultaneous monitoring of Cu 2+, Al 3+, Ca 2+ and endogenous l-phenylalanine (LPA) recognition in living cells and zebrafishes. JOURNAL OF HAZARDOUS MATERIALS 2020; 389:121831. [PMID: 31843414 DOI: 10.1016/j.jhazmat.2019.121831] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/26/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
An innovative strategy of adjusting the molecular polarity of organics is applied for multifunctional simultaneous ions detection. It involved the use of 4-bromo-2-hydroxyben Rhodamine B hydrazide (RHBr) as a colorimetric and fluorescent multifunctional chemosensor. Briefly, it was designed and prepared via integrating 4-bromo-2-hydroxybenzaldehyde with Rhodamine B hydrazide, and Rhodamine B as fluorophore group, CO, -CHN and -OH groups as reaction site, Br atom as electro n-withdrawing group. On the basis of theoretical calculation under Gaussian 09 software suit, RHBr could exclusively recognize Cu2+, Al3+ and Ca2+. This was also experimentally confirmed by the different turn-on colorimetric and fluorescent signals. For example the selective detection of Cu2+ ion in DMSO/H2O (1/1 = v/v, 10.0 mM HEPES pH 7.0) with the "naked-eye" when the color changed from colorless to pink, Al3+ with "turn-on" strong orange-red fluorescence and Ca2+ with strong green fluorescence in EtOH/H2O (v/v = 95/5). Under the optimized conditions, all the ions could be detected at a very low concentrations (1.7 × 10-7 M, 1.0 × 10-8 M, 2.8 × 10-7 M for Cu2+, Al3+, and Ca2+, respectively). In addition, the "in situ" formed RHBr-Al3+ was used to recognize l-phenylalanine (LPA) with a "turn-off" fluorescence ranging from 0.03-10.0 μM with the low detection concetration of 3.0 × 10-7 M. The sensing mechanisms of RHBr toward three metal ions and the ensemble RHBr-Al3+ toward the l-phenylalanine (LPA) were further investigated in detail. Practical application experiments further proved that RHBr had good cell permeability and could be utilized to detect Al3+ and Ca2+, and the complexes of RHBr-Al3+ could be applied to detect l-phenylalanine (LPA) in the living cells and zebrafishes, respectively.
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Affiliation(s)
- Gang Zhao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Chunxue Yi
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
| | - Gang Wei
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Rongliang Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Zhengye Gu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Shanyi Guang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.
| | - Hongyao Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China.
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35
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Li X, Duan Q, Yu Y, Wang K, Zhu H, Zhang X, Liu C, Jia P, Li Z, Sheng W, Zhu B. A coumarin-based fluorescent probe for Hg 2+ and its application in living cells and zebrafish. LUMINESCENCE 2020; 35:941-946. [PMID: 32324318 DOI: 10.1002/bio.3808] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 01/25/2023]
Abstract
Mercury (Hg) is a heavy metal with high toxicity and easy migration; it can be enriched through the food chain, and cause serious threats to the natural environment and human health. So, the development of a method that can be used to detect mercury ions (Hg2+ ) in the environment, in cells, and in organisms is very important. Here, a new 7-hydroxycoumarin-derived carbonothioate-based probe (CC-Hg) was designed and synthesized for detection of Hg2+ . After addition of Hg2+ , a large fluorescence enhancement was observed due to the formation of 7-hydroxyl, which reinforced the intramolecular charge transfer process. The CC-Hg probe had good water solubility and selectivity. Moreover, the probe was able to detect Hg2+ quantitatively over the concentration range 0-2 μM and with a detection limit of 7.9 nM. Importantly, we successfully applied the probe to detect Hg2+ in water samples, in living cells, and in zebrafish. The experimental results demonstrated its potential value in practical applications.
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Affiliation(s)
- Xiwei Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Qingxia Duan
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Yamin Yu
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Kun Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Xue Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Pan Jia
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Zilu Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan, China
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Chen G, Li B, Hu B, Zhang X, Fan X. FeCl3-catalyzed C-3 functionalization of imidazo[1,2-a]pyridines with diazoacetonitrile under oxidant- and ligand-free conditions. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151774] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Pan Z, Xu Z, Chen J, Hu L, Li H, Zhang X, Gao X, Wang M, Zhang J. Coumarin Thiourea-Based Fluorescent Turn-on Hg 2+ Probe That Can Be Utilized in a Broad pH Range 1-11. J Fluoresc 2020; 30:505-514. [PMID: 32146649 DOI: 10.1007/s10895-020-02517-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 02/14/2020] [Indexed: 10/24/2022]
Abstract
A novel coumarin-thiourea conjugate was synthesized facilely. It served as a fluorescent turn-on chemosensor for selective detection of Hg2+ ion over other common competitive metal ions including Li+, Na+, K+, Ag+, Cu2+, Fe2+, Zn2+, Co2+, Ni2+, Mn2+, Sr2+, Ca2+, Mg2+, Al3+, Cr3+ and Fe3+ ions based on the Hg2+-promoted desulfurization and cyclization reactions. Addition of Hg2+ ion to the sensor solution in 2:8 EtOH/H2O induced a hypsochromic shift of the UV-Vis absorption band from 360 nm to 340 nm accompanying distinct enhancement in the absorption intensity while addition of other metal ions failed to bring about substantial change in the absorption spectra. Addition of Hg2+ to the sensor solution also caused marked increase in the fluorescence emission intensity and most common competitive metal ions did not interfere with the selective sensing of Hg2+ ion by the sensor. The detection limit of Hg2+ ion by the probe was calculated to be 1.46 × 10-7 M and the probe could be utilized for selective detection of Hg2+ ion by fluorescence turn-on mode over a broad pH range of 1-11.
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Affiliation(s)
- Zhixiu Pan
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Zhenxiang Xu
- Penglai Xinguang Pigment Chemical Co., Ltd, Penglai, 265601, People's Republic of China
| | - Jie Chen
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China.
| | - Luping Hu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Hongqi Li
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China.
| | - Xin Zhang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Xucheng Gao
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Mengxuan Wang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
| | - Jian Zhang
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering & Biotechnology, Donghua University, 2999 North Renmin Road, Shanghai, 201620, People's Republic of China
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38
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An ultrasensitive electrochemiluminescence resonance energy transfer biosensor for divalent mercury monitoring. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113494] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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39
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Li B, Shang X, Li L, Xu Y, Wang H, Yang X, Pei M, Zhang R, Zhang G. A fluorescence probe based on 6-phenylimidazo[2,1-b]thiazole and salicylaldehyde for the relay discerning of In3+ and Cr3+. NEW J CHEM 2020. [DOI: 10.1039/c9nj05722f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A new fluorescence probe, (E)-N′-(2-hydroxybenzylidene)-6-phenylimidazo[2,1-b]thiazole-3-carbohydrazide (LB1), based on 6-phenylimidazo[2,1-b]thiazole and salicylaldehyde was designed and synthesized.
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Affiliation(s)
- Bing Li
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Xiaodong Shang
- Henan Sanmenxia Aoke Chemical Industry Co. Ltd
- Sanmenxia 472000
- China
| | - Linlin Li
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Yuankang Xu
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Hanyu Wang
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Xiaofeng Yang
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Meishan Pei
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Ruiqing Zhang
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
| | - Guangyou Zhang
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- China
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40
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Li B, Shen N, Yang Y, Zhang X, Fan X. Synthesis of naphtho[1′,2′:4,5]imidazo[1,2-a]pyridines via Rh(iii)-catalyzed C–H functionalization of 2-arylimidazo[1,2-a]pyridines with cyclic 2-diazo-1,3-diketones featuring with a ring opening and reannulation. Org Chem Front 2020. [DOI: 10.1039/d0qo00073f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
An unprecedented synthesis of functionalized naphtho[1′,2′:4,5]imidazo[1,2-a]pyridines via rhodium-catalyzed cascade reactions of 2-arylimidazo[1,2-a]pyridine-3-carbaldehydes with cyclic α-diazo-1,3-diketones is presented.
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Affiliation(s)
- Bin Li
- School of Environment
- School of Chemistry and Chemical Engineering
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
| | - Nana Shen
- School of Environment
- School of Chemistry and Chemical Engineering
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
| | - Yujie Yang
- School of Environment
- School of Chemistry and Chemical Engineering
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
| | - Xinying Zhang
- School of Environment
- School of Chemistry and Chemical Engineering
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
| | - Xuesen Fan
- School of Environment
- School of Chemistry and Chemical Engineering
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
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41
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Wang T, Zhang N, Bai W, Bao Y. Fluorescent chemosensors based on conjugated polymers with N-heterocyclic moieties: two decades of progress. Polym Chem 2020. [DOI: 10.1039/d0py00336k] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A brief summary of representative fluorescent chemosensors based on conjugated polymers with N-heterocyclic moieties, followed by a discussion on the limitations and challenges of current systems, as well as possible future research directions.
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Affiliation(s)
- Taisheng Wang
- School of Materials Science and Engineering
- Nanjing Institute of Technology
- Nanjing
- P. R. China
- Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology
| | - Na Zhang
- School of Materials Science and Engineering
- Nanjing Institute of Technology
- Nanjing
- P. R. China
- Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology
| | - Wei Bai
- Institute of Physical Science and Information Technology
- Anhui University
- Hefei 230601
- China
| | - Yinyin Bao
- Institute of Pharmaceutical Sciences
- Department of Chemistry and Applied Biosciences
- ETH Zurich
- 8093 Zurich
- Switzerland
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42
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Liu Y, Li Y, Zong L, Zhang J. Comparison of Two Rhodamine-polyamine Polystyrene Solid-phase Fluorescence Sensors for Hg(II) Detection Based on Theoretical Calculation. Chem Res Chin Univ 2019. [DOI: 10.1007/s40242-019-9258-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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