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Shenbagapushpam M, Ashwin BCMA, Mareeswaran PM, Yuvaraj P, Kodirajan S. Active Hydrogen Free, Z-Isomer Selective Isatin Derived "Turn on" Fluorescent Dual Anions Sensor. J Fluoresc 2024:10.1007/s10895-024-03762-1. [PMID: 38896304 DOI: 10.1007/s10895-024-03762-1] [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: 02/25/2024] [Accepted: 05/05/2024] [Indexed: 06/21/2024]
Abstract
An efficient and anions fluorescence "on-off" sensor of 1-(prop-2-yn-1-yl)-3-(quinolin-3-ylimino)indolin-2-one (PQI) has been developed for the selective sensing of dual anions of F- and NO3- ions in aqueous medium. Active hydrogen and Lewis acidic binding sites free, Z- isomer of isatin based π-conjugated quinoline exhibited excellent sensing activity against F- and NO3- ions in UV light. The fluorescence turns on the process accomplished via the PET "on-off" mechanism. The interaction between probe molecule and anions is thought to be a non-covalent interaction of the low electron density covalently bonded N-methylene moiety of propargyl isatin (-N-CH2-) of probe molecule with F- ion and the terminal acidic proton of propargyl group of isatin (-C≡C-H) with NO3- ions. The modes of anions binding with PQI and plausible mechanisms are proposed by 1H and 13C NMR titrations. The selectivity of anions sensing may be offered by the bucked structure of the Z-isomer. The calculated association constant values for PQI and F- and NO3- are ions 2.5 × 104 M-1 and 2.2 × 103 M-1, respectively, indicating strong binding interaction between the PQI and anions. The association nature of anions and probes was analyzed by a Jobs plot and the finding indicates both F- and NO3- ions are in 1:1 complexation with PQI. The limit of detection (LOD) of the probe with F- and NO3- ions is calculated and is to be 6.91 × 10-7 M and 9.93 × 10-7 M, respectively. The proposed PQI fluorophore possesses a low limit of detection (LOD) for both F- and NO3- ions which is within the WHO prescribed detection limit.
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Affiliation(s)
- Muthumanickam Shenbagapushpam
- Department of Chemistry, Thiagarajar College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India
- Department of Chemistry, Mannar Thirumalai Naicker College, Madurai, Tamil Nadu, India
| | | | | | - Paneerselvam Yuvaraj
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science & Technology, Jorhat, Assam, 785006, India
| | - Selvakumar Kodirajan
- Department of Chemistry, Thiagarajar College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India.
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Xu L, Zhao J. Bromine atom introduction improves the F - sensing ability of an indolo[3,2- b]carbazole-salicylaldehyde-based fluorescence turn-on sensor. Chem Commun (Camb) 2024; 60:3830-3833. [PMID: 38497214 DOI: 10.1039/d3cc05991j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
The heavy-atom effect usually quenches fluorescence, but scarcely enhances it. Herein, fluorescence turn-on sensors without or with a bromine atom for F- detection are presented, achieving fast response time within 1 min, and the LODs of 1.9 × 10-7 and 8.5 × 10-8 M, reflecting that halogen atom introduction is beneficial for F- detection ability improvement. The sensing mechanism of -OH unit deprotonation is confirmed based on the results of a 1 : 2 stoichiometric ratio, 1H NMR titration and TD-DFT calculation. The water environment F- detection and spiked recovery experiments demonstrate their potential for real sample detection.
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Affiliation(s)
- Lihua Xu
- School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, P. R. China.
| | - Jiang Zhao
- School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, P. R. China.
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Wu Y, Lian M, Huang G, Zhang Y, Yi N, Tian L, Gan F, Ma C. A tert-Butyldiphenylsilyl-Containing Polyimide-Based Chemosensor for Sequential Detection of Fluoride Ions and Trace Water in Organic Solvents. Molecules 2023; 28:7987. [PMID: 38138477 PMCID: PMC10745802 DOI: 10.3390/molecules28247987] [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: 10/13/2023] [Revised: 11/06/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
A tert-butyldiphenylsilyl-containing polyimide (PI-OSi) has been established as a colorimetric and ratiometric chemosensor for rapid detecting fluoride ions (F-). The UV-vis absorbance ratio value (A322/A288) of PI-OSi in a DMF solution displays a wide linear range change to F- concentrations with a detection limit (DL) value of 2.13 μM. Additionally, adding incremental amounts of F- to a DMF solution of PI-OSi shows an immediate color change to yellow and finally to green from colorless. More interestingly, the resulting PI-OSi plus F- system (PI-OSi·F) could detect trace water in DMF. The A292/A322 value of PI-OSi·F almost linearly increases with low water content, which suggests convenient quantitative sensing of trace water content in DMF. The DL value of PI-OSi·F for sensing water in DMF is determined to be 0.00149% (v/v). The solution color of PI-OSi·F returns to colorless when the water content increases, indicating that PI-OSi·F can conveniently estimate water content in DMF by naked-eye detection. The detection mechanisms confirmed by an 1H NMR study and a DFT calculation involve a F--induced desilylation reaction of PI-OSi to form phenolate anion followed by protonation with trace water. Finally, PI-OSi film was fabricated for the colorimetric detection of F- and water in CH3CN.
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Affiliation(s)
- Yancheng Wu
- School of Textile Materials and Engineering, Wuyi University, Jiangmen 529020, China (N.Y.); (F.G.)
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Gouda MAS, Salem MAI, Marzouk MI, Mahmoud NFH, Ismail MF. Synthesis, Antioxidant and Antiproliferative Evaluation, Molecular Docking and DFT Studies of Some Novel Coumarin and Fused Coumarin Derivatives. Chem Biodivers 2023; 20:e202300706. [PMID: 37321977 DOI: 10.1002/cbdv.202300706] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/15/2023] [Accepted: 06/15/2023] [Indexed: 06/17/2023]
Abstract
N'-[(4-Chloro-2-oxo-2H-chromen-3-yl)methylene]-2-cyanoacetohydrazide (3) was synthesized in excellent yield from the condensation of 4-Chloro-2-oxo-2H-chromene-3-carbaldehyde with cyanoacetohydrazide. Compound 3 was utilized as a building block to synthesize novel coumarin and heterocycle-fused coumarin derivatives. The chemical structures of all the new coumarin compounds were identified by spectral analyses. Some of the new coumarins compounds were screened in human cancer cell lines (HEPG-2, MCF-7, HCT-116 and PC-3) to learn about their cytotoxic effects in addition to the study of their DNA damage and antioxidant activity. Three of these compounds exhibited remarkable antioxidant and anti-proliferative activities. Moreover, they have the capability to protect DNA from damage induced by bleomycin. Molecular docking, DFT and molecular electrostatic potential studies were performed on the compounds in vitro.
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Affiliation(s)
- Mustafa A S Gouda
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Mounir A I Salem
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Magda I Marzouk
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Naglaa F H Mahmoud
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Mahmoud F Ismail
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
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Ahmed N, Zareen W, Shafiq Z, Figueirêdo de Alcântara Morais S, Khalid M, Albert Carmo Braga A, Shahzad Munawar K, Yong Y. A coumarin based Schiff Base: An effective colorimetric sensor for selective detection of F - ion in real samples and DFT studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 286:121964. [PMID: 36274537 DOI: 10.1016/j.saa.2022.121964] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/02/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Chemosensors are molecular devices which react with target and give a visible signal, which is a degree of its sensitivity. Herein, a novel coumarin based Schiff Base has been synthesized for F- ions detection. The chemosensor showed an intense color change upon the addition of F- ions (light yellow to purple). The chemosensor has fewer effects of competing anions. The limit of detection is calculated as low as 1.1 × 10-6 and the binding constant was determined as 1.61 × 104. The job's plot confirmed 1:1 stoichiometry between chemosensor and F- ion. The reverse reaction of chemosensor with MeOH is useful to construct a combinatorial logic circuit gates. The interaction mechanism of chemosensor was deliberated by 1H NMR, FTIR, and DFT studies. Finally, the chemosensor was useful to detect F- ions in tooth-paste sample and test strip is prepared for F- ions detection.
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Affiliation(s)
- Nadeem Ahmed
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Wajeeha Zareen
- Institute of Chemical Sciences, Bahauddin Zakariya University, 60800 Multan, Pakistan
| | - Zahid Shafiq
- Institute of Chemical Sciences, Bahauddin Zakariya University, 60800 Multan, Pakistan.
| | - Sara Figueirêdo de Alcântara Morais
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. LineuPrestes 748, São Paulo 05508-000, Brazil
| | - Muhammad Khalid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan; Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Ataualpa Albert Carmo Braga
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. LineuPrestes 748, São Paulo 05508-000, Brazil
| | | | - Ye Yong
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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Development of coumarin derivatives as fluoride ion sensor. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Battison A, Schoeman S, Mama N. A Coumarin-azo Derived Colorimetric Chemosensor for Hg 2+ Detection in Organic and Aqueous Media and its Extended Real-world Applications. J Fluoresc 2023; 33:267-285. [PMID: 36413253 DOI: 10.1007/s10895-022-03065-3] [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: 05/04/2022] [Accepted: 11/01/2022] [Indexed: 11/23/2022]
Abstract
Pollution caused by the release of toxic heavy metals into the environment by industrial and farming processes has been regarded as a major problem worldwide. This has attracted a great deal of attention into restoration and remediation. Mercury is classified as a toxic heavy metal which has posed significant challenges to public and environmental health. To date, conventional methods for mercury detection rely on expensive, destructive, complex, and highly specialized methods. Evidently, there is a need to develop systems capable of easily identifying and quantifying mercury within the environment. In this way, organic-based colorimetric chemosensors are gaining increasing popularity due to their high sensitivity, selectivity, cost-effectiveness, ease of design, naked-eye, and on-site detection ability. The formation of coumarin-azo derivative AD1 was carried out by a conventional diazotization reaction with coumarin-amine 1c and N,N-dimethylaniline. Sensor AD1 displayed remarkable visual colour change upon mercury addition with appreciable selectivity and sensitivity. The detection limit was calculated as 0.24 µM. Additionally, the reversible nature of AD1 allowed for the construction of an IMPLICATION type logic gate and Molecular Keypad Lock. Chemosensor AD1 displayed further sensing applications in real-world water samples and towards on-site assay methods. Herein, we describe a coumarin-derived chemosensor bearing an azo (N = N) functionality for the colorimetric and quantitative determination of Hg2+ in organic and aqueous media.
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Affiliation(s)
- Aidan Battison
- Department of Chemistry, Nelson Mandela University, P.O. Box 77000, Port Elizabeth, 6031, South Africa
| | - Stiaan Schoeman
- Department of Chemistry, Nelson Mandela University, P.O. Box 77000, Port Elizabeth, 6031, South Africa
| | - Neliswa Mama
- Department of Chemistry, Nelson Mandela University, P.O. Box 77000, Port Elizabeth, 6031, South Africa.
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Yaman M, İpek Dirin E, Kaplan G, Seferoğlu N, Seferoğlu Z. The synthesis, photophysical properties, DFT study and textile applications of fluorescent azo dyes bearing coumarin-thiazole. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Selective Aminothiazole‐Derivative Probe for Detection of Phosphate in Freshwater. ChemistrySelect 2022. [DOI: 10.1002/slct.202202740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Malini N, Siva A. Visualization of CO32− detection using colorimetric chemosensor by simple molecular motif in aqueous environment and its versatile utilizations. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Visual detection of F− and CN− using a novel phenylthiosemicarbazide-based chemosensor and its application in real samples. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02399-3] [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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Tigreros A, Portilla J. Ecological and economic effort analysis in molecular sensor development used for optical detection of cyanide ions. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200249] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alexis Tigreros
- Universidad de Los Andes Chemistry , Carrera 1 No. 18A-10 111711 Bogotá DC COLOMBIA
| | - Jaime Portilla
- Universidad de los Andes Bogotá D. C. Cra. 1 No. 18 A 12, Edificio Q, Of. 830Call 95 No. 71 - 11, Apto 204-1 111711 Bogotá COLOMBIA
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Sharma H, Kakkar R, Bishnoi S, Daisy Milton M. Synthesis of acceptor-donor-acceptor based phenothiazine-5-oxide aldehydes displaying large Stokes shift- “on-off-on” acidofluorochromic switch and molecular logic gate operation. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Chen W, Liang H, Wen X, Li Z, Xiong H, Tian Q, Yan M, Tan Y, Royal G. Synchronous colorimetric determination of CN−, F−, and H2PO4− based on structural manipulation of hydrazone sensors. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120760] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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