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Roy S, Choudhury P, Biswas B. Chelation therapy-inspired design of a water-stable fluorescent probe for the effectual monitoring of copper(II) ions in real water. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:5003-5011. [PMID: 38979725 DOI: 10.1039/d4ay00808a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
This work introduces a thought-provoking design to develop a water-soluble chemical probe, sodium 4-hydroxy-3-((E)-((E)-((2-hydroxynaphthalen-1yl)methylene)hydrazono)methyl) benzenesulfonate (SW2) and its analytical characterization for the efficient detection and monitoring of Cu2+ ions in a matrix of s-, d-, and f-metal ions in pure water. The water-stable molecular probe, SW2, in the presence of Cu2+ salts in pure water exhibits a fluorescence turn-off characteristic with a high detection limit, 3.8 μM, and irresistibly holds 4-cycle reversibility in the presence of sulphide ions without any significant loss of its chemosensing efficiency. Spectroscopic and computational studies ensure 1 : 1 complexation between SW2 and Cu2+ ions, leading to the formation of SW2-Cu2+ chelate, thus inducing dynamic quenching of SW2 emission, which subsequently reverts on the addition of S2- ions in water. Additionally, the SW2-Cu2+ chelate was isolated in microcrystalline powder and the complexation was studied with mass spectrometry and EPR analysis. Computational analysis reveals the remarkable reduction in the S0-S1 energy level of the SW2-Cu2+ complex, which is attributed to the drastic quenching of the fluorescence intensity. Furthermore, SW2 was successfully applied to the detection of Cu2+ ions in tap and pond water. Interestingly, the probe is also effective for the determination of Cu2+ ions in the aqueous solution of a Cu-based fungicide (copper oxychloride), commercially available as Blitox in India, thus evaluating the effectiveness of SW2 in real sample analysis.
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Affiliation(s)
- Suvojit Roy
- Department of Chemistry, University of North Bengal, Darjeeling-734013, India.
| | - Prosenjit Choudhury
- Department of Physics, Dr Meghnad Saha College, Uttar Dinajpur 733128, India
| | - Bhaskar Biswas
- Department of Chemistry, University of North Bengal, Darjeeling-734013, India.
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Kumar S L, Servesh A, Chundattu SJ, Tabassum S, Govindaraju S. Elevating pyrrole derivative synthesis: a three-component revolution. Mol Divers 2024:10.1007/s11030-024-10884-y. [PMID: 38769226 DOI: 10.1007/s11030-024-10884-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: 12/14/2023] [Accepted: 04/15/2024] [Indexed: 05/22/2024]
Abstract
Pyrrole is an essential chemical with considerable relevance as a pharmaceutical framework for many biologically necessary medications. The growing demand for biologically active compounds calls for a simple one-pot method for generating novel pyrrole derivatives. Nots surprisingly, several multicomponent reactions (MCRs) aim to synthesize pyrrole derivatives. However, this review presents the three-component synthesis of pyrrole derivatives, highlighting the significance of multicomponent reaction in synthesizing eclectic multi-functionalised pyrrole covering the selected literature on the three-component synthesis of substituted pyrrole from 2016 to late 2023. Furthermore, this article classifies the reactions based on the starting material with functional groups involved in the pyrrole ring formation.
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Affiliation(s)
- Lokesh Kumar S
- Department of Chemistry, CHRIST - Deemed to Be University, Bengaluru, 560029, Karnataka, India
| | - Anushka Servesh
- Department of Chemistry, CHRIST - Deemed to Be University, Bengaluru, 560029, Karnataka, India
| | - Sony J Chundattu
- Department of Sciences & Humanities, CHRIST - Deemed to Be University, Bengaluru, 560074, Karnataka, India
| | - Sumaiya Tabassum
- Department of Chemistry, Surana College, Bengaluru, 560074, Karnataka, India
| | - Santhosh Govindaraju
- Department of Sciences & Humanities, CHRIST - Deemed to Be University, Bengaluru, 560074, Karnataka, India.
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Vyas S, Barot YB, Mishra R. Novel Anthracene and Carbazole Based Aggregation Induced Enhanced Emission Active Schiff Base as a Selective Sensor for Cu 2+ ions. J Fluoresc 2024:10.1007/s10895-024-03713-w. [PMID: 38656644 DOI: 10.1007/s10895-024-03713-w] [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: 02/19/2024] [Accepted: 04/08/2024] [Indexed: 04/26/2024]
Abstract
In present work our group has synthesized two novel Schiff-bases, Di-Carbazole based Schiff-base (DB-1) and Di-Anthracene based Schiff-base (DB-2) using condensation reaction and characterized thorough different spectroscopic techniques such as mass spectrometry, IR spectroscopy, 1H and 13C NMR spectroscopy. Furthermore, the AIE(Aggregation induced emission) studies were done using water-THF mixture. As compared to pure THF, the DB-2 showed a 17.8-fold increase in fluorescence intensity with a bathochromic shift of 64 nm in 80% water: THF mixture. For DB-1increase was seen at 70% water-THF combination. The analysis of the dynamic light scattering (DLS) further supported this excellent AIEE (Aggregation induced enhanced emission) characteristic. Furthermore, the spectrofluorometric techniques were used to examine the capacity of both Schiff bases to detect the heavy metals. It was discovered that only DB-1, with a detection limit of 2.4 × 10-8 M, was selective for the Cu2+ ion, whereas DB-2 had no sensing capability for metal ions. The Job's plot was used to determine the stoichiometry ratio of the DB-1 with Cu2+ to further examine the process. It was discovered that the ratio was 1:1 (DB-1:Cu2+). Additionally, the association constant of DB-1 for Cu2+ was 5.1 × 1011 M-1, demonstrating the excellent binding affinity of DB-1 for the Cu2+ ion.
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Affiliation(s)
- Saurabh Vyas
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, 382426, Gujarat, India
| | - Yash B Barot
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, 382426, Gujarat, India
| | - Roli Mishra
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, 382426, Gujarat, India.
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Hemalatha GM, Thirunavukkarasu K, Kumar CR, Thamim M, Thirumoorthy K. Selective Detection of Copper Ions and Biological Activities of Isoniazid Schiff Bases. ChemistrySelect 2023. [DOI: 10.1002/slct.202204898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Schiff Base Ligand 3-(-(2-Hydroxyphenylimino) Methyl)-4H-Chromen-4-One as Colorimetric Sensor for Detection of Cu 2+, Fe 3+, and V 5+ in Aqueous Solutions. Int J Anal Chem 2022; 2022:4899145. [PMID: 36618769 PMCID: PMC9822745 DOI: 10.1155/2022/4899145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/10/2022] [Accepted: 12/14/2022] [Indexed: 12/31/2022] Open
Abstract
The ligand 3-(-(2-hydroxyphenylimino) methyl)-4H-chromen-4-one (SL) has been synthesized and examined as a chemosensor for some metal ions in aqueous solutions based on colorimetric analysis. Color changes were monitored using UV-visible spectroscopy. Binding stoichiometry and limit of detection (LOD) were estimated using titration experimentation based on UV-visible absorbance and Job's plot. The synthesized ligand was tested for selectivity in the presence of several cations and was examined for possible utility as a chemosensor in real water samples. The results indicated sensing ability and selectivity for Cu2+, Fe3+, and V5+. Stable complexes were formed between SL and Cu2+, Fe3+, and V5+, and the ligand-to-metal binding stoichiometry was found 2 : 1 in the SL-Cu2+ and SL-Fe3+ complexes, and 1 : 1 in the SL-V5+ complex. The results of LOD and bending constant were (7.03 μM, 1.37 × 104 M-1), (5.16 μM, 2.01 × 104 M-1), and (5.94 μM, 1.82 × 104 M-1) for Cu2+, Fe3+, and V5+, respectively.
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Jiang T, Tian LC, Huang C, Zhu BX, Chen DM, Zhu C. A new fluorescent chemosensor based on 2,2’-bipyridyl acylhydrazone Schiff base: Synthesis, sensing properties, and coordination behaviors. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Mohan B, Xing T, Kumar S, Kumar S, Ma S, Sun F, Xing D, Ren P. A chemosensing approach for the colorimetric and spectroscopic detection of Cr 3+, Cu 2+, Fe 3+, and Gd 3+ metal ions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 845:157242. [PMID: 35820525 DOI: 10.1016/j.scitotenv.2022.157242] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 06/13/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
Metal cations are present in domestic and industrial wastewater and have adverse effects on human and aqueous life. The present study describes the development of the molecular probe 9-anthracen-9-ylmethylene)hydrazineylidene)methyl)-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol (AMHMPQ) to detect Cr3+, Cu2+, Fe3+, and Gd3+ ions by using UV-visible, fluorescence, colorimetric and excitation-emission matrix (EEM) spectroscopy techniques. The interaction of Cr3+, Cu2+, Fe3+, and Gd3+ can be observed by the absorption maxima shift, turn-off, colour changes, and EEM shifts. In addition, fluorescence limits of detection 17.66 × 10-6 M, 6.44 × 10-9 M, 28.87 × 10-8 M, and 12.49 × 10-6 M in wide linear ranges, low limits of quantifications, high values of Stern-Volmer constant, Job's plot and Benesi-Hildebrand plot justify the 1:1 association affinity with association constants of 1.46 × 104 M-1, 1.86 × 107 M-1, 2.69 × 105 M-1, 2.13 × 104 M-1 for AMHMPQ-metal ions (Cr3+, Cu2+, Fe3+, and Gd3+ ions), respectively. Paper- and mask-based kits are developed to explore the utility of the designed chemosensor. Additionally, AMHMPQ acts as a reusable sensor for two, seven, two, and zero cycles for Cr3+, Cu2+, Fe3+, and Gd3+ ions, respectively, when checked with EDTA.
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Affiliation(s)
- Brij Mohan
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Tiantian Xing
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Sandeep Kumar
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Suresh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra 136119, India
| | - Shixuan Ma
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Feiyun Sun
- School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Dingyu Xing
- School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
| | - Peng Ren
- School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
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Chromone derived effective probe for the detection of metal ion (Cu2+) and chemical explosive (p-nitrotoluene). J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Wang Y, Yang N, Soldatov M, Liu H. A novel phosphazene-based amine-functionalized porous polymer with high adsorption ability for I2, dyes and heavy metal ions. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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