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Singh AK, Singh AK, Sharma SK, Sonkar VK, Singh VP. A highly selective coumarin-based chemosensor for dual sensing of Cu 2+ and Zn 2+ ions with logic gate integration and live cell imaging. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4551-4560. [PMID: 38912555 DOI: 10.1039/d4ay00594e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
In this paper, a coumarin-based Schiff base chemosensor has been synthesized and developed to detect Cu2+ and Zn2+ ions in nanomolar concentrations. The probe selectively distinguishes Cu2+ and Zn2+ from among several metal ions in DMF : H2O (7 : 3, v/v, pH 7.4) HEPES buffer. The structure of the probe and its sensing behavior were investigated by FT-IR, UV-vis, fluorescence, HRMS, and NMR analyses, along with X-ray crystallography and computational studies. CIH detects Zn2+ and Cu2+ using different strategies: CHEF-induced fluorescence enhancement and paramagnetic fluorescence quenching, respectively. Job's plots show a 1 : 1 binding interaction between CIH and Cu2+ or Zn2+ ions. The binding constant values for Cu2+ (1.237 × 105 M-1) and Zn2+ (1.24 × 104 M-1) suggest a better ability for Cu2+ to interact with CIH than Zn2+. An extremely high sensitivity of the probe was highlighted by its very low detection limits (LOD) of 5.36 nM for Cu2+ and 3.49 nM for Zn2+. The regeneration of the probe with the addition of EDTA in its complexes allows the formation of molecular logic gates. CIH has been successfully employed in mitotracking and intracellular detection of Zn2+ and Cu2+ in SiHa cells.
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Affiliation(s)
- Avanish Kumar Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
| | - Amit Kumar Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
| | - Shashi Kant Sharma
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Vijay Kumar Sonkar
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi-221005, India
| | - Vinod P Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
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Cheng X, Zhang R, Sun J, Xu K, Li W. Acylhydrazone Functionalized Triphenylamine-Based Fluorescent Probe for Cu 2+: Tunable Structures of Conjugated Bridge and Its Practical Application. J Fluoresc 2023:10.1007/s10895-023-03492-w. [PMID: 37987983 DOI: 10.1007/s10895-023-03492-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
Abstract
Novel fluorescent probes were constructed for the convenient and rapid analysis of Cu2+ ions, taking advantages of the the triphenylamine backbone as chromophore and acylhydrazone group as the Cu2+ recognition site. Especially, probe T2 could act as a dual-channel probe towards Cu2+ through both fluorescent and colorimetric method. Through the fluorescent method, the detection limit of probe T2 was calculated to be as low as 90 nmol/L and there was a good linear relationship between the intensity change and the concentration of Cu2+ ions. By virtue of the two-phase liquid-liquid extraction method, probe T2 could be successfully applied in practical extraction and separation of Cu2+. Furthermore, by applying a "turn-off-turn-on" circle, compound T2 could act as a sensitive probe towards S2- anions through the indirect approach and the detection limit of complex T2-Cu2+ for S2- anion was found to be 110 nmol/L.
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Affiliation(s)
- Xiaohong Cheng
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, 441053, China.
| | - Rui Zhang
- School of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, 441053, China
| | - Jinbo Sun
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, 441053, China
| | - Ke Xu
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, 441053, China
| | - Wangnan Li
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, 441053, China
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A color-change fluorescence sensor for oleanolic acid based on chiral camphanic decorated bis-cyanostilbene. Anal Bioanal Chem 2023; 415:1855-1863. [PMID: 36790461 DOI: 10.1007/s00216-023-04587-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/16/2023]
Abstract
Although various fluorescent sensors for biomolecules had been extensively reported, the effective fluorescent sensor was seldom reported for detecting oleanolic acid up to now. This work reports the first color-change fluorescence sensor for oleanolic acid based on a bridging bis-cyanostilbene derivative with chiral camphanic groups (C-BCS). C-BCS possessed the chartreuse fluorescence in aqueous media, which transferred to strong blue fluorescence in the presence of oleanolic acid. This sensing ability of C-BCS for oleanolic acid exhibited the high selectivity among all kinds of biomolecules and ions. The good linearity between the fluorescence intensity and concentration of oleanolic acid was acquired in the range of 0.2 × 10-6 to 8.0 × 10-6 M with the detecting limitation of 0.0582 μM. The 1:1 binding process was clarified as oleanolic acid located in the opening cavity composed of two bridging cyanostilbene units and two chiral camphanic groups based on multiple hydrogen bonds and hydrophobic interaction. The detecting ability of C-BCS was applied on sensing oleanolic acid in thin-layer chromatography analysis, imprinting experiment, tap water, and tea samples, suggesting the effective on-site sensing abilities of C-BCS for oleanolic acid in real samples and daily life.
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Gong Y, Fang S, Zheng Y, Guo H, Yang F. Tetra-cyanostilbene macrocycle: An effective “turn-on” fluorescence sensor for oxalic acid in aqueous media. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Formate paddlewheel of a metal–organic framework with open metal sites as a potential adsorbent and sensor for different species of fluoride (F−, HF, F2H−): a DFT study. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02453-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Nie W, Yang J, Wu J, Hu L. Synthesis and photophysical properties of vice-like 1,8-naphthalimide fluorescent sensor for sensitive detection of Mn2+ and Zn2+. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Dual-response fluorescence sensor for detecting Cu2+ and Pd2+ based on bis-tetraphenylimidazole Schiff-base. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yang Z, Yuan Y, Xu X, Guo H, Yang F. An effective long-wavelength fluorescent sensor for Cu 2+ based on dibenzylidenehydrazine-bridged biphenylacrylonitrile. Anal Bioanal Chem 2022; 414:4707-4716. [PMID: 35562571 DOI: 10.1007/s00216-022-04093-5] [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: 02/22/2022] [Revised: 04/14/2022] [Accepted: 04/20/2022] [Indexed: 11/01/2022]
Abstract
Although numerous fluorescence sensors for Cu2+ have been presented, a long-wavelength sensor in aqueous media has rarely been reported as expected due to practical application requirements. In this work, a novel AIE molecule (DHBB) containing two biphenylacrylonitrile units bridged by dibenzylidenehydrazine was prepared. It possessed the merits of long-wavelength emission, good emission in aqueous media, and multiple functional groups for binding Cu2+. It exhibited good sensing selectivity for Cu2+ among all kinds of tested metal ions. The detection limit was as low as 1.08 × 10-7 M. The sensing mechanism was clarified as 1:1 stoichiometric ratio based on the binding cooperation of O and N functional groups of DHBB. The selective sensing ability for Cu2+ remained stable at pH = 5-9 and was influenced little by other metal ions. The Cu2+ sensing ability of DHBB was applied in real samples with 96% recovery rate. The bio-imaging experiment of living cells suggested that DHBB possessed not only good bio-imaging performance but also sensing ability for Cu2+ in living environments. This work suggested the good application prospect of DHBB to sense Cu2+ in real samples and living environment.
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Affiliation(s)
- Zengwei Yang
- College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, People's Republic of China.,Fujian Key Laboratory of Polymer Materials, Fuzhou, 350007, People's Republic of China
| | - Yufei Yuan
- College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, People's Republic of China.,Fujian Provincial Key Laboratory of Advanced, Materials Oriented Chemical Engineering, Fuzhou, 350007, People's Republic of China
| | - Xiangfei Xu
- College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, People's Republic of China
| | - Hongyu Guo
- College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, People's Republic of China.,Fujian Key Laboratory of Polymer Materials, Fuzhou, 350007, People's Republic of China
| | - Fafu Yang
- College of Chemistry and Materials, Fujian Normal University, Fuzhou, 350007, People's Republic of China. .,Fujian Key Laboratory of Polymer Materials, Fuzhou, 350007, People's Republic of China. .,Fujian Provincial Key Laboratory of Advanced, Materials Oriented Chemical Engineering, Fuzhou, 350007, People's Republic of China.
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Chen M, Cao F, Huang S, Li Y, Zhong M, Zhu M. The Schiff Base Probe With J-aggregation Induced Emission for Selective Detection of Cu 2. J Fluoresc 2022; 32:1457-1469. [PMID: 35451703 DOI: 10.1007/s10895-022-02948-9] [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: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
Abstract
Here, three Schiff bases 3a-c, differing by the substitutions (-H, -Cl, and -N(CH3)2) on the phenyl ring, have been designed and synthesized via the reaction of ortho-aminophenol with benzaldehyde, 2,4-dichlorobenzaldehyde and para-dimethylamine benzaldehyde in 1:1 molar ratio with favourable yields of 89-92%, respectively. Their structural characterizations were studied by FT-IR, NMR, MALDI-MS and elemental analysis. The fluorescence behaviours of compounds 3a and 3b exhibited a severe aggregation caused quenching (ACQ) effect in EtOH/water system. On the contrary, compound 3c had an obvious J-aggregation induced emission (AIE) feature in EtOH/water mixture (v/v = 1:1), and exhibited excellent sensitivity and anti-interference towards Cu2+ with the limit of detection (LOD) of 1.35 × 10-8 M. Job's plot analysis and MS spectroscopic study revealed the 2:1 complexation of probe 3c and Cu2+. In addition, probe 3c was successfully applied to the determination of Cu2+ in real aqueous samples.
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Affiliation(s)
- Meihui Chen
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China
| | - Fengying Cao
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China
| | - Shizhou Huang
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China
| | - Yangping Li
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China
| | - Min Zhong
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China
| | - Mingguang Zhu
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641100, People's Republic of China.
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Qiao YJ, Xu FZ, Chen Y, Wang ZQ, Gong XQ, Wang CY. A sensitive “on-off-on” fluorescent probe for sequential Cu2+/S2− detection in actual water samples and living cells. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Singh G, Devi A, Mohit, Diksha, Suman, Saini A, Kaur JD, Gupta S, Vikas. Synthesis, “turn-on” fluorescence signals towards Zn 2+ and Hg 2+ and monoamine oxidase A inhibitory activity using a molecular docking approach of morpholine analogue Schiff base linked organosilanes. NEW J CHEM 2022. [DOI: 10.1039/d2nj03767j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A new set of morpholine analogue Schiff base linked organosilanes (5a–5c) was prepared.
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Affiliation(s)
- Gurjaspreet Singh
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Anita Devi
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Mohit
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Diksha
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Suman
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Anamika Saini
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Jashan Deep Kaur
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Sofia Gupta
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
| | - Vikas
- Department of Chemistry & Centre of Advanced Studies, Panjab University, Chandigarh, 160014, India
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