1
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Kaur G, Rani R, Raina J, Singh I. Recent Advancements and Future Prospects in NBD-Based Fluorescent Chemosensors: Design Strategy, Sensing Mechanism, and Biological Applications. Crit Rev Anal Chem 2024:1-41. [PMID: 38593050 DOI: 10.1080/10408347.2024.2337869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
In recent years, the field of Supramolecular Chemistry has witnessed tremendous progress owing to the development of versatile optical sensors for the detection of harmful biological analytes. Nitrobenzoxadiazole (NBD) is one such scaffold that has been exploited as fluorescent probes for selective recognition of harmful analytes and their optical imaging in various cell lines including HeLa, PC3, A549, SMMC-7721, MDA-MB-231, HepG2, MFC-7, etc. The NBD-derived molecular probes are majorly synthesized from the chloro derivative of NBD via nucleophilic aromatic substitution. This general NBD moiety ligation method to nucleophiles has been leveraged to develop various derivatives for sensing analytes. NBD-derived probes are extensively used as optical sensors because of remarkable properties like excellent stability, large Stoke's shift, high efficiency and stability, visible excitation, easy use, low cost, and high quantum yield. This article reviewed NBD-based probes for the years 2017-2023 according to the sensing of analyte(s), including cations, anions, thiols, and small molecules like hydrogen sulfide. The sensing mechanism, designing of the probe, plausible binding mechanism, and biological application of chemosensors are summarized. The real-time application of optical sensors has been discussed by various methods, such as paper strips, molecular logic gates, smartphone detection, development of test kits, etc. This article will update the researchers with the in vivo and in vitro biological applicability of NBD-based molecular probes and challenges the research fraternity to design, propose, and develop better chemosensors in the future possessing commercial utility.
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Affiliation(s)
- Gurdeep Kaur
- School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, India
| | - Richa Rani
- Department of Chemistry, Panjab University, Chandigarh, India
| | - Jeevika Raina
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Iqubal Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
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2
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Zeng J, Xu X, Xue L, Xu Y, Wang X, Zhang Y, Wang H. A Novel Pyridine and Julolidine Based Chemosensor for Al
3+
Detection. ChemistrySelect 2023. [DOI: 10.1002/slct.202204556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Affiliation(s)
- Junzhu Zeng
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Xin Xu
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Lei Xue
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Yang Xu
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Xin Wang
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Yang Zhang
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
| | - Haibin Wang
- College of Chemistry and Chemical Engineering Ningxia Normal University Guyuan Ningxia P. R. China 756000
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3
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Schiff Bases: A Versatile Fluorescence Probe in Sensing Cations. J Fluoresc 2023; 33:859-893. [PMID: 36633727 DOI: 10.1007/s10895-022-03135-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/24/2022] [Indexed: 01/13/2023]
Abstract
Metal cations such as Zn2+, Al3+, Hg2+, Cd2+, Sn2+, Fe2+, Fe3+ and Cu2+ play important roles in biology, medicine, and the environment. However, when these are not maintained in proper concentration, they can be lethal to life. Therefore, selective sensing of metal cations is of great importance in understanding various metabolic processes, disease diagnosis, checking the purity of environmental samples, and detecting toxic analytes. Schiff base probes have been largely used in designing fluorescent sensors for sensing metal ions because of their easy processing, availability, fast response time, and low detection limit. Herein, an in-depth report on metal ions recognition by some Schiff base fluorescent sensors, their sensing mechanism, their practical applicability in cell imaging, building logic gates, and analysis of real-life samples has been presented. The metal ions having biological, industrial, and environmental significance are targeted. The compiled information is expected to prove beneficial in designing and synthesis of the related Schiff base fluorescent sensors.
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4
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Agren S, Chaabene M, El Haskouri J, Ben Chaâbane R, Lahcini M, Hassen V Baouab M. Anil’s ultrasonic synthesis: A preliminary photophysical study of substituent’s effects on chromogenic and fluorogenic cation sensing. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120560] [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]
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5
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Tamizhselvi R, Arumugam Napoleon A. Ninhydrin and isatin appended 2-Hydrazinobenzothiazole based simple Schiff bases for colorimetric selective detection of Cr3+ and Pb2+ ions. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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6
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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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7
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Liu QY, Bu ZQ, Quan MX, Wu Y, Ding X, Xia LQ, Lu JY, Huang WT. A molecular paradigm: “Plug-and-play” chemical sensing and crypto-steganography based on molecular recognition and selective response. Biosens Bioelectron 2022; 209:114260. [DOI: 10.1016/j.bios.2022.114260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 01/29/2023]
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8
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Kumar A, Virender, Saini M, Mohan B, Shayoraj, Kamboj M. Colorimetric and Fluorescent Schiff Base Sensors for Trace Detection of Pollutants and Biologically Significant Cations: A Review (2010-2021). Microchem J 2022. [DOI: 10.1016/j.microc.2022.107798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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9
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Kavitha V, Ramya M, Viswanathamurthi P, Haribabu J, Echeverria C. Design of a dual responsive receptor with oxochromane hydrazide moiety to monitor toxic Hg 2+ and Cd 2+ ions: Usage on real samples and live cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 301:119036. [PMID: 35202765 DOI: 10.1016/j.envpol.2022.119036] [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: 12/01/2021] [Revised: 02/10/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
In this work, we report a facile receptor OMB [N',N"'-(3-((4-oxochroman-3-yl)methylene)pentane-2,4- diylidene)bis(4-methoxybenzohydrazide)] for the simultaneous detection of toxic analytes (Hg2+ and Cd2+ ions) in environment and biological samples. The receptor OMB exhibits an excellent selectivity and sensitivity which was determined using absorption and emission spectra. The receptor OMB shows rapid detection with lowest LOD (0.62 nM for Hg2+ ions and 0.77 nM for Cd2+ ions) and LOQ (2.08 nM for Hg2+ ions and 2.57 nM for Cd2+ ions) values. In addition, the receptor OMB exhibits 1:1 binding stoichiometry towards Hg2+ and Cd2+ ions with binding constant values of 5.5 × 106 M-1 and 4.6 × 106 M-1. Moreover, the synthesized receptor OMB possess ability to detect these analytes (Hg2+ and Cd2+ ions) in realistic samples (food and water) which was recognized using photoluminescence spectroscopy technique. In addition, the receptor OMB is also utilized to detect both the analytes in live HeLa cells. Thus, the overall results indicate that the receptor OMB was more suitable to detect the toxic analytes (Hg2+ and Cd2+ ions) present in the environment.
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Affiliation(s)
| | - Mari Ramya
- Department of Chemistry, Periyar University, Salem, 636 011, Tamil Nadu, India
| | | | - Jebiti Haribabu
- Facultad de Medicina, Universidad de Atacama, Los Carreras 1579, 1532502, Copiapo, Chile
| | - Cesar Echeverria
- Facultad de Medicina, Universidad de Atacama, Los Carreras 1579, 1532502, Copiapo, Chile
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10
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Tamizhselvi R, Arumugam Napoleon A. A simple sulfonohydrazide Schiff base molecular probe for colorimetrically selective recognition of Cu2+ ion in Semi-Aqueous medium. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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11
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Reena V, Subin Kumar K, Bhagyasree G, Nithyaja B. One-pot synthesis, characterization, optical studies and biological activities of a novel ultrasonically synthesized Schiff base ligand and its Ni(II) complex. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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12
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Ríos MC, Bravo NF, Sánchez CC, Portilla J. Chemosensors based on N-heterocyclic dyes: advances in sensing highly toxic ions such as CN - and Hg 2. RSC Adv 2021; 11:34206-34234. [PMID: 35497277 PMCID: PMC9042589 DOI: 10.1039/d1ra06567j] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/02/2021] [Indexed: 12/19/2022] Open
Abstract
CN- and Hg2+ ions are harmful to both the environment and human health, even at trace levels. Thus, alternative methods for their detection and quantification are highly desirable given that the traditional monitoring systems are expensive and require qualified personnel. Optical chemosensors (probes) have revolutionized the sensing of different species due to their high specificity and sensitivity, corresponding with their modular design. They have also been used in aqueous media and different pH ranges, facilitating their applications in various samples. The design of molecular probes is based on organic dyes, where the key species are N-heterocyclic compounds (NHCs) due to their proven photophysical properties, biocompatibility, and synthetic versatility, which favor diverse applications. Accordingly, this review aims to provide an overview of the reports from 2016 to 2021, in which fluorescent probes based on five- and six-membered N-heterocycles are used for the detection of CN- and Hg2+ ions.
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Affiliation(s)
- María-Camila Ríos
- Bioorganic Compounds Research Group, Department of Chemistry, Universidad de los Andes Carrera 1 No. 18A-10 Bogotá 111711 Colombia
| | - Néstor-Fabián Bravo
- Bioorganic Compounds Research Group, Department of Chemistry, Universidad de los Andes Carrera 1 No. 18A-10 Bogotá 111711 Colombia
| | - Christian-Camilo Sánchez
- Bioorganic Compounds Research Group, Department of Chemistry, Universidad de los Andes Carrera 1 No. 18A-10 Bogotá 111711 Colombia
| | - Jaime Portilla
- Bioorganic Compounds Research Group, Department of Chemistry, Universidad de los Andes Carrera 1 No. 18A-10 Bogotá 111711 Colombia
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13
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Chae JB, Heo JS, Kim C. Crown‐Ether Type Chemosensor for the Determination of Fe
3+/2+
by a Colorimetric Method. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Ju Byeong Chae
- Department of Fine Chemistry and Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul 129‐742 South Korea
| | - Jae Sung Heo
- Department of Fine Chemistry and Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul 129‐742 South Korea
| | - Cheal Kim
- Department of Fine Chemistry and Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul 129‐742 South Korea
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14
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Oguz M, Gul A, Kursunlu AN, Yilmaz M. A bifunctional and multi-responsive fluorescent sensor for toxic analytes in the aqueous medium: Easy synthesis, NIR-visible effect, imaging in living cells. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116861] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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15
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So H, Park S, Kim C. Construction of a Quinoline‐based Sequential Functioning Chromogenic Sensor for Copper(
II
) Ion and Biothiols: Its Application to Test Strips. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Haeri So
- Department of Fine Chemicals Seoul National University of Science and Technology (SNUT) Seoul 01178 Korea
| | - Soyoung Park
- Department of Fine Chemicals Seoul National University of Science and Technology (SNUT) Seoul 01178 Korea
| | - Cheal Kim
- Department of Fine Chemicals Seoul National University of Science and Technology (SNUT) Seoul 01178 Korea
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16
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Abstract
Optical sensors are always fascinating for chemists due to their selectivity, sensitivity, robustness and cost-effective nature.
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Affiliation(s)
- Hafiz Muhammad Junaid
- Institute of Chemistry
- University of the Punjab
- Quaid-e-Azam Campus
- Lahore 54590
- Pakistan
| | - Amber Rehana Solangi
- National Centre of Excellence in Analytical Chemistry
- University of Sindh
- Jamshoro
- Pakistan
| | - Madeeha Batool
- Institute of Chemistry
- University of the Punjab
- Quaid-e-Azam Campus
- Lahore 54590
- Pakistan
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17
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Batool M, Junaid HM, Tabassum S, Kanwal F, Abid K, Fatima Z, Shah AT. Metal Ion Detection by Carbon Dots-A Review. Crit Rev Anal Chem 2020; 52:756-767. [PMID: 32985228 DOI: 10.1080/10408347.2020.1824117] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Development of economical, sensitive, selective and robust sensors for metal ion sensing is always fascinating for a chemist because traditional routs for their detection involve complicated instrumentation and critical sample preparation procedures. A large number of metal ion detectors including carbon dots (CDs) have been reported for sensitive and selective detection of metal ions. This review comprehensively explores the use of CDs as metallic cation sensors. CDs are being fabricated from variety of carbon sources by employing various synthetic channels. CDs are proved to be efficient colorimetric and fluorimetric detectors due to surface oxygen moieties which are responsible to co-ordinate with metal ions. Doping of CDs with hetero atom such as N, S, B etc. may further enhance their activity toward metal detection. Therefore, designing of CDs having selective sensing properties with low detection limits has gained significant interest.HighlightsCDs have gained much attention as chemical sensors due to their dynamic features i.e. less toxicity, stability, solubility in various solvents, absorption in UV/Vis. region, fluorescence and tunable physico-chemical properties.These are coast effective, sensitive and selective colorimetric and fluorimetric metal ion sensors.Detection of metal ions by CDs involves different mechanisms such as complexation, aggregation, electron transfer, inner filter effect etc.LOD data is an evidence of their greater efficiency.
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Affiliation(s)
- Madeeha Batool
- Institute of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
| | | | - Sobia Tabassum
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Farah Kanwal
- Institute of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
| | - Kamran Abid
- Department of Electrical Engineering, University of the Punjab, New Campus, Lahore, Pakistan
| | - Zara Fatima
- Institute of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan
| | - Asma Tufail Shah
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
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18
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Chen ZE, Zang XF, Yang M, Zhang H. A simple indolo[2,3-a]carbazole based colorimetric chemosensor for simultaneous detection of Cu 2+ and Fe 3+ ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 234:118236. [PMID: 32179460 DOI: 10.1016/j.saa.2020.118236] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/18/2020] [Accepted: 03/04/2020] [Indexed: 06/10/2023]
Abstract
A new indolo[2,3-a]carbazole based colorimetric chemosensor C1 was designed and synthesized. The optical properties of C1 were investigated by UV-vis spectroscopy, UV-vis titrations, and fluorescence spectroscopy. The HOMO and LUMO values of C1 were obtained using density functional theory (DFT) calculations. The results indicate that C1 has specific selectivity and high sensitivity for detection of Cu2+ and Fe3+ ions compared with metal ions (K+, Na+, Mg2+, Zn2+, Cd2+, Pb2+, Hg2+, Ag+, Co2+, Cr2+, Ni2+, Mn2+, Ba2+). The presence of Cu2+ ions leads to visible color change from yellow to colorless in an aqueous-acetonitrile solution, especially. Moreover, the detection limit for the analysis of Cu2+ and Fe3+ ions is found to be as low as 2.93 × 10-7 M and 4.10 × 10-7 M, respectively. Therefore, C1 should have potential applications as a practical colorimetric chemosensor for simultaneous detection of Cu2+ and Fe3+ in the environment and biological systems.
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Affiliation(s)
- Zhen-E Chen
- School of Chemistry and Chemical Engineering, Zunyi Normal College, Zunyi 563006, China.
| | - Xu-Feng Zang
- Department of Applied Physics, Huzhou University, Huzhou 313000, China
| | - Mei Yang
- School of Chemistry and Chemical Engineering, Zunyi Normal College, Zunyi 563006, China
| | - Hai Zhang
- School of Chemistry and Chemical Engineering, Zunyi Normal College, Zunyi 563006, China.
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20
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Sudheer, Kumar V, Kumar P, Gupta R. Detection of Al3+ and Fe3+ ions by nitrobenzoxadiazole bearing pyridine-2,6-dicarboxamide based chemosensors: effect of solvents on detection. NEW J CHEM 2020. [DOI: 10.1039/d0nj00517g] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hybrid chemosensors, based on a pyridine-2,6-dicarboxamide fragment while containing a 4-nitrobenzoxadiazole group, are used for the sensing of Al3+ and Fe3+ ions where detection was significantly controlled by the selection of a solvent.
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Affiliation(s)
- Sudheer
- Department of Chemistry
- University of Delhi
- Delhi – 110 007
- India
| | - Vijay Kumar
- Department of Chemistry
- University of Delhi
- Delhi – 110 007
- India
| | - Pramod Kumar
- Department of Chemistry
- University of Delhi
- Delhi – 110 007
- India
| | - Rajeev Gupta
- Department of Chemistry
- University of Delhi
- Delhi – 110 007
- India
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21
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Upadhyay S, Singh A, Sinha R, Omer S, Negi K. Colorimetric chemosensors for d-metal ions: A review in the past, present and future prospect. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Berhanu AL, Gaurav, Mohiuddin I, Malik AK, Aulakh JS, Kumar V, Kim KH. A review of the applications of Schiff bases as optical chemical sensors. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.04.025] [Citation(s) in RCA: 160] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Varejão JOS, Varejão EVV, Fernandes SA. Synthesis and Derivatization of Julolidine: A Powerful Heterocyclic Structure. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900398] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jodieh Oliveira Santana Varejão
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
| | - Eduardo Vinícius Vieira Varejão
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
| | - Sergio Antonio Fernandes
- Grupo de Química Supramolecular e Biomimética (GQSB); Departamento de Química; Universidade Federal de Viçosa; 36570-900 Brazil
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24
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Zhang M, Gong L, Sun C, Li W, Chang Z, Qi D. A new fluorescent-colorimetric chemosensor based on a Schiff base for detecting Cr 3+, Cu 2+, Fe 3+ and Al 3+ ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:7-13. [PMID: 30743073 DOI: 10.1016/j.saa.2019.01.089] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 01/25/2019] [Accepted: 01/31/2019] [Indexed: 06/09/2023]
Abstract
A new Schiff base derivative fluorescence-colorimetric chemosensor 2-hydroxy-5-[(2-hydroxy-1-naphthyl)methylideneamino]benzoic acid (H3L), has been designed and synthesized. H3L displayed high selectivity and sensitivity for detecting Cr3+, Cu2+, Fe3+ and Al3+ ions in DMF/H2O (v/v = 1/1) solution. When Cr3+, Cu2+ or Fe3+ ions were added, the solution of H3L in DMF/H2O exhibited different color changes. While with the addition of Fe3+ or Al3+ ions, the solution of H3L in DMF/H2O displayed different fluorescence responses. The bonding modes and bonding ratios of H3L and metal ions were explored by the Job's plot, 1H NMR titration, and electrospray ionization mass spectrometry (ESI-MS). The detection limits of H3L with Cr3+, Cu2+, Fe3+and Al3+ ions were 3.37 × 10-7 M, 4.65 × 10-7 M, 3.58 × 10-7 M and 4.89 × 10-7 M, respectively.
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Affiliation(s)
- Min Zhang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Lei Gong
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Changyan Sun
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Wenjun Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhidong Chang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Dongdong Qi
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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25
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Fang H, Huang PC, Wu FY. A highly sensitive fluorescent probe with different responses to Cu 2+ and Zn 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:233-238. [PMID: 30785042 DOI: 10.1016/j.saa.2019.02.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 01/29/2019] [Accepted: 02/03/2019] [Indexed: 06/09/2023]
Abstract
We report a highly sensitive fluorescent probe based on p-dimethylaminobenzoyl derivatives (probe L) for the detection of Cu2+ and Zn2+. In this work, the probe L exhibited a fluorescent turn-on sensing model to Cu2+ and Zn2+ with a distinct fluorescent color change from colorless to green and yellow respectively. Probe L exhibited high selectivity as a fluorescent Cu2+/Zn2+ probe with a limit of detection (LOD) of 45 nM/17 nM. The results of 1H NMR titrations revealed that the response of L to Cu2+ and Zn2+ was triggered by the interaction of the thiophene unit and the metal ion. Furthermore, the fluorescence titrations and Job's plot curves displayed the binding ratio of 1:2 for Cu2+ and 1:1 for Zn2+ metal-L complex formation respectively. Density functional theory calculation also demonstrated the possibility of molecular luminescence and the process of metal-L complex formation. Additionally, fluorescent test strips have been prepared for convenient detection of Cu2+ and Zn2+, which means the convenient and rapid assay in real samples can be achieved.
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Affiliation(s)
- Hao Fang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Peng-Cheng Huang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Fang-Ying Wu
- College of Chemistry, Nanchang University, Nanchang 330031, China.
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26
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Lee SY, Yang M, Kim C. A dual target chemosensor for the fluorometric detection of In 3+ and colorimetric detection of Fe 3. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 205:622-629. [PMID: 30077953 DOI: 10.1016/j.saa.2018.07.091] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/25/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
A new dual target chemosensor 1, 1,1'‑((1E,1'E)‑((thiobis(ethane‑2,1‑diyl))bis(azanylylidene))bis(methanylylidene))bis(naphthalen‑2‑ol), was prepared by the reaction of a hydroxy-naphthaldehyde and a thiobis(ethylamine). Sensor 1 detected In3+ with turn-on fluorescence and Fe3+ via the change of color from colorless to pale violet. The sensing behaviors of 1 toward In3+ and Fe3+ were studied through photophysical experiments, ESI-mass, NMR titration, and theoretical calculations. In particular, 1 can discriminate In3+ from Al3+ and Fe3+ from Fe2+. Limits of detection for the analysis of In3+ and Fe3+ ions turned out to be 5.89 μM and 0.30 μM, respectively. In addition, sensor 1 functioned practically as a naked-eye test strip for Fe3+ and could be recycled by using EDTA for In3+ and DFO for Fe3+.
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Affiliation(s)
- Seong Youl Lee
- Depart. of Fine Chem, Seoul National Univ. of Sci, and Tech, Seoul 130-743, Republic of Korea
| | - Minuk Yang
- Depart. of Fine Chem, Seoul National Univ. of Sci, and Tech, Seoul 130-743, Republic of Korea
| | - Cheal Kim
- Depart. of Fine Chem, Seoul National Univ. of Sci, and Tech, Seoul 130-743, Republic of Korea.
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27
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Determination of Cu2+ in drinking water using a hydroxyjulolidine-dihydroperimidine colorimetric sensor. J INCL PHENOM MACRO 2018. [DOI: 10.1007/s10847-018-0862-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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28
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Highly sensitive and selective “naked eye” sensing of Cu(II) by a novel acridine-based sensor both in aqueous solution and on the test kit. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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29
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Budzák Š, Jacquemin D. Excited state intramolecular proton transfer in julolidine derivatives: an ab initio study. Phys Chem Chem Phys 2018; 20:25031-25038. [PMID: 30246202 DOI: 10.1039/c8cp04356f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
We have studied, using ab initio tools, a series of recently prepared fluorescent julolidine derivatives, undergoing Excited State Intramolecular Proton Transfer (ESIPT). We show that the computed free energy change in the excited state (ΔGES) can be used to predict the preference for enol, keto, or dual emission. Indeed, two julolidine molecules experimentally show dual emission, consistent with our finding of a small ΔGES. In agreement with experimental outcomes the complexation between the ESIPT centre and BF2 increases the rigidity of the fluorophore and greatly facilitates emission at energies close to the original enol (E*) fluorescence band. The protonation of the imino group also suppresses ESIPT and sole E* emission is obtained. We disclose that chemical substitution can significantly tune the radiationless deactivation of the enol related to the C[double bond, length as m-dash]N bond rotation of the ESIPT centre. While there is a significant barrier for the experimentally studied compounds we have found a strong correlation between the barrier height and the electron donating strength of the phenyl substituent. Strong donors such as amines facilitate the barrierless non-radiative decay from E* back to the ground state, while weak electron donors make the barrier sufficiently high to allow ESIPT. Strong electron accepting groups such as -NO2 further increase this barrier. This work therefore illustrates the fine interplay necessary to design dual emitters.
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Affiliation(s)
- Šimon Budzák
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, Tajovkého 40, 97401 Banská Bystrica, Slovakia
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30
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Fanna DJ, Lima LM, Craze AR, Trinchi A, Wuhrer R, Lindoy LF, Wei G, Reynolds JK, Li F. Ultrasensitive Colorimetric and Ratiometric Detection of Cu 2+: Acid-Base Properties, Complexation, and Binding Studies. ACS OMEGA 2018; 3:10471-10480. [PMID: 31459173 PMCID: PMC6645550 DOI: 10.1021/acsomega.8b01483] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 08/20/2018] [Indexed: 05/13/2023]
Abstract
Herein, we report the synthesis and characterization of a chemosensor, 5-(diethylamino)-2-(2,3-dihydro-1H-perimidin-2-yl)phenol (HL), synthesized from a condensation between 4-(diethylamino)salicylaldehyde and 1,8-diaminonaphthalene. Upon investigation of the sensing properties of HL, it was found that this sensor may be employed for simple yet efficient detection of Cu2+ in aqueous methanol solutions. The selective and ratiometric response to Cu2+ yielded an outstandingly low limit of detection of 3.7 nM by spectrophotometry and is also useful as a naked-eye sensor from 2.5 μM. The system was studied by spectrophotometric pH titrations to determine Cu2+ binding constants and complex speciation. Binding of Cu2+ to HL occurs in 1:1 stoichiometry, in good agreement with high-resolution electrospray ionization mass spectrometry (ESI-HRMS) results, Cu2+ titrations, and Job's plot experiments, while the coordination geometry was tentatively assigned as square pyramidal by spectroscopic studies.
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Affiliation(s)
- Daniel J. Fanna
- School of Science
and Health, Western Sydney University, Locked Bag 1797, Penrith, New South Wales 2751, Australia
- CSIRO Manufacturing, P.O. Box 218, Lindfield, New South Wales 2070, Australia
| | - Luís M.
P. Lima
- Instituto de Tecnologia Química e Biológica
António Xavier, Universidade Nova
de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Alexander R. Craze
- School of Science
and Health, Western Sydney University, Locked Bag 1797, Penrith, New South Wales 2751, Australia
| | - Adrian Trinchi
- CSIRO Manufacturing, Private
Bag 33, Clayton, Victoria 3169, Australia
| | - Richard Wuhrer
- Advanced Materials
Characterisation Facility, Western Sydney
University, Locked Bag 1797, Penrith, New South Wales 2751, Australia
| | - Leonard F. Lindoy
- School of Chemistry, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Gang Wei
- CSIRO Manufacturing, P.O. Box 218, Lindfield, New South Wales 2070, Australia
| | - Jason K. Reynolds
- School of Science
and Health, Western Sydney University, Locked Bag 1797, Penrith, New South Wales 2751, Australia
| | - Feng Li
- School of Science
and Health, Western Sydney University, Locked Bag 1797, Penrith, New South Wales 2751, Australia
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31
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Jia H, Feng C, Tian C. A Simple and Rapid Fluorescent Probe for Detection of Cr 3+ Based on a Coumarin Schiff Base in Aqueous Solution. ANAL SCI 2018; 34:1079-1083. [PMID: 30197377 DOI: 10.2116/analsci.18p036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A new Cr3+ probe was synthesized using simple Schiff base reaction, which showed prominent fluorescence increasing switch before and after addition Cr3+. The probe proved to have excellent properties, based on both UV-vis absorption and fluorescence spectra. Those properties included high switching performance, good selectivity, and small interference with other metal ions. The fluorescent change mechanism of the probe was attributed to the combined action between the restricted C=N isomerization and the suppression of highly efficient photo-induced electron transfer (PET) process. Moreover, this fluorescence probe for Cr3+ detection also has great potential for bioimaging of cancer cells.
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Affiliation(s)
- Huixian Jia
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University
| | - Chenghong Feng
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University
| | - Chenhao Tian
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University
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32
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Singh J, Kaur V, Singh R, Bhardwaj VK. Exploration of solvent responsive Cr 3+-Schiff base conjugates formonitoring Cr 3+ ions and organophosphates: Fabrication of spot-testingdevices. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 201:46-53. [PMID: 29730553 DOI: 10.1016/j.saa.2018.04.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/28/2018] [Accepted: 04/26/2018] [Indexed: 06/08/2023]
Abstract
Herein, we report 2-((2-hydroxybenzylidene)hydrazono)(phenyl)methyl)-5-methoxyphenol (SB) synthesized by Schiff base condensation and characterized by spectroscopic techniques, elemental analysis and X-ray crystallography. In solution phase, it interacts with Cr3+ ions and exhibits a prominent fluorimetric switch due to the formation of SB·Cr3+ conjugate. The dual behavior of SB·Cr3+ conjugates i.e. self-aggregation in high water fraction (fw > 50%) and dissolution in low water fraction (fw < 50%) proves this conjugation excellent tool for monitoring Cr3+ ions. The SB·Cr3+ conjugate in methanol-water (70:30 v/v) allows quantification of Cr3+ ions with limit of detection 0.44 μM and its self-aggregation in high water fraction facilitates extraction of Cr3+ ions with 95% extraction efficiency. Although SB interacts with Zn2+ ions which causes inference in the determination of Cr3+ ions however the interferent can be easily masked with SCN- ions. Besides, the SB·Cr3+ conjugates are also able to quantify organophosphate neurotoxins; i.e. diethyl chlorophosphate (with LOD 4.1 nM) and diethyl cyanophosphonate (with LOD 3.3 nM) from aqueous solutions. Moreover, SB and SB·Cr3+ conjugates can be coated on solid surfaces to fabricate portable devices for the on-spot detection of targets from real samples. Hence, the conjugation of Schiff base and Cr3+ ions can be explored for the recognition, quantification and extraction of Cr3+ ions and detection of organophosphates.
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Affiliation(s)
- Jaswant Singh
- Department of Chemistry, Panjab University, Chandigarh 160014, India
| | - Varinder Kaur
- Department of Chemistry, Panjab University, Chandigarh 160014, India.
| | - Raghubir Singh
- Department of Chemistry, DAV College, Sector 10, Chandigarh 160011, India.
| | - Vimal K Bhardwaj
- Department of Chemistry, Indian Institute of Technology, Ropar 140001, India
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33
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Hwang SM, Chae JB, Kim C. A Phenanthroimidazole-based Fluorescent Turn-Off Chemosensor for the Selective Detection of Cu2+
in Aqueous Media. B KOREAN CHEM SOC 2018. [DOI: 10.1002/bkcs.11526] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Suh Mi Hwang
- Department of Fine Chemistry; SNUT (Seoul National University of Science and Technology); Seoul 01811 South Korea
| | - Ju Byeong Chae
- Department of Fine Chemistry; SNUT (Seoul National University of Science and Technology); Seoul 01811 South Korea
| | - Cheal Kim
- Department of Fine Chemistry; SNUT (Seoul National University of Science and Technology); Seoul 01811 South Korea
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34
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35
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Kim SY, Lee SY, Jung JM, Kim MS, Kim C. Selective detection of Cu2+ and S2− by a colorimetric chemosensor: Experimental and theoretical calculations. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.12.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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36
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Singh J, Parkash J, Kaur V, Singh R. New approach for the quantification of metallic species in healthcare products based on optical switching of a Schiff base possessing ONO donor set. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 185:263-270. [PMID: 28587946 DOI: 10.1016/j.saa.2017.05.067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 05/24/2017] [Accepted: 05/29/2017] [Indexed: 06/07/2023]
Abstract
A new method is reported for the quantification of some metallic components of healthcare products utilizing a Schiff base chelator derived from 2-hydroxyacetophenone and ethanolamine. The Schiff base chelator recognizes some metallic species such as iron, copper and zinc (important components of some healthcare products), and cadmium (common contaminant in healthcare products) giving colorimetric/fluorimetric response. It coordinates with Fe2+/Fe3+ and Cu2+ ions via ONO donor set and switches the colour to bright red, green and orange, respectively. Similarly, it switches 'ON' a fluorometric response when coordinates with Zn2+ and Cd2+ ions. In the present approach, detailed studies on the colorimetric and fluorimetric response of ONO Schiff base is investigated in detail. The Job plot for the complexation of ONO switch with various metal ions suggested formation of 1:1 (metal-chelator) complex with Fe2+, Fe3+, and Cu2+ while 1:2 (metal-chelator) for Zn2+ and Cd2+ ions. The limit of detection, limit of quantification are 6.73, 18.0, 25.0, 0.65, 1.10μM and 27.0, 72.0, 100.0, 2.60 and 4.40μM for Fe2+, Fe3+, Cu2+, Zn2+ and Cd2+ ions, respectively. Under the optimized conditions, chelator was used for the quantification of important metals present in healthcare products via direct dissolution and furnace treatment during sample preparation. The results were found precise and accurate for both sample preparation techniques using the developed method.
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Affiliation(s)
- Jaswant Singh
- Department of Chemistry, Panjab University, Chandigarh 160014, India
| | - Jyoti Parkash
- Department of Chemistry, Sikh National College, Banga 144505, India
| | - Varinder Kaur
- Department of Chemistry, Panjab University, Chandigarh 160014, India
| | - Raghubir Singh
- Department of Chemistry, DAV College, Sec-10, Chandigarh 160011, India.
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37
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Jeong HY, Lee SY, Kim C. Furan and Julolidine-Based "Turn-on" Fluorescence Chemosensor for Detection of F - in a Near-Perfect Aqueous Solution. J Fluoresc 2017; 27:1457-1466. [PMID: 28401409 DOI: 10.1007/s10895-017-2085-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 04/04/2017] [Indexed: 10/19/2022]
Abstract
A new fluorescent sensor 1, containing furan and julolidine moieties linked through a Schiff-base, has been synthesized. Distinct "turn-on" fluorescence enhancement of 1 was observed upon the addition of F- in a near-perfect aqueous solution. The binding capabilities of 1 with F- were studied by using fluorescent spectroscopic techniques, ESI-mass analysis and NMR titration measurements. The detection limit for the analysis of F- was found to be 10.02 μM, which is below the WHO guideline (79 μM) for drinking water. Practically, the sensing ability of 1 for F- was successfully applied in real water samples. The sensing mechanism for F- was proposed to be the ICT mechanism via the hydrogen bonding, which was well explained by theoretical calculations.
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Affiliation(s)
- Ha Young Jeong
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials, Seoul National University of Science and Technology, Seoul, 139-743, South Korea
| | - Seong Youl Lee
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials, Seoul National University of Science and Technology, Seoul, 139-743, South Korea
| | - Cheal Kim
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials, Seoul National University of Science and Technology, Seoul, 139-743, South Korea.
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38
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Boontom S, Boonkitpatarakul K, Sukwattanasinitt M, Niamnont N. Highly selective detection of Cu 2+ based on a thiosemicarbazone triphenylacetylene fluorophore. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.03.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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39
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Lee SY, Bok KH, Kim C. A fluorescence “turn-on” chemosensor for Hg2+and Ag+based on NBD (7-nitrobenzo-2-oxa-1,3-diazolyl). RSC Adv 2017. [DOI: 10.1039/c6ra25585j] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A fluorescence “turn-on” chemosensor for the simultaneous detection of Hg2+and Ag+was developed and practically applied with test strips.
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Affiliation(s)
- Seong Youl Lee
- Department of Fine Chemistry
- Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Korea
| | - Kwon Hee Bok
- Department of Fine Chemistry
- Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Korea
| | - Cheal Kim
- Department of Fine Chemistry
- Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Korea
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40
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Chae JB, Jang HJ, Kim C. Sequential detection of Fe3+/2+ and pyrophosphate by a colorimetric chemosensor in a near-perfect aqueous solution. Photochem Photobiol Sci 2017; 16:1812-1820. [DOI: 10.1039/c7pp00354d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A colorimetric chemosensor was developed for Fe3+/2+ and pyrophosphate with low detection limit and practical application for Fe3+ in water samples.
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Affiliation(s)
- Ju Byeong Chae
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Republic of Korea
| | - Hyo Jung Jang
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Republic of Korea
| | - Cheal Kim
- Department of Fine Chemistry and Department of Interdisciplinary Bio IT Materials
- Seoul National University of Science and Technology
- Seoul 139-743
- Republic of Korea
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