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Wen H, Liu Z, Su Z, Kowah JAH, Hao E, Liu X. Development of a novel hypochlorite ratio probe based on coumarin and its application in living cells. RSC Adv 2023; 13:32518-32522. [PMID: 37928861 PMCID: PMC10624156 DOI: 10.1039/d3ra04729f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/17/2023] [Indexed: 11/07/2023] Open
Abstract
Hypochlorous acid is a reactive oxygen species that is widely present in the body and has been found to exhibit an elevated concentration in tumors. As a result, fluorescent probes for tumor detection have recently gained significant attention. In this study, we designed and synthesized a novel ratiometric fluorescent probe, LW-1, using coumarin as a scaffold, and characterized its spectral properties. LW-1 displayed indigo blue fluorescence at low concentrations of hypochlorous acid. As the concentration of hypochlorous acid increased, the probe underwent a reaction, resulting in a red shift in its fluorescence peak and exhibiting green fluorescence. The fluorescence intensity ratio (green/blue) was a susceptible detection signal for HClO. LW-1 exhibited favorable characteristics, including a low detection limit, high sensitivity, good stability, and low background interference. The detection limit has reached 2.4642 nM. Moreover, we successfully employed LW-1 to image normal human liver and colon cancer cells in vitro, demonstrating its potential as a promising tool for tumor detection. Overall, our findings suggest that LW-1 could serve as a valuable addition to the current arsenal of fluorescent probes for tumor detection, with potential applications in the diagnosis and treatment of cancer.
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Affiliation(s)
- Hao Wen
- Department of Chemical Engineering and Technology, College of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 China
| | - Zifan Liu
- Department of Pharmacy, College of Medicine, Guangxi University Nanning 530004 China
| | - Zixia Su
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine Nanning 530200 Guangxi China
| | - Jamal A H Kowah
- Department of Chemical Engineering and Technology, College of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 China
| | - Erwei Hao
- Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine Nanning 530200 Guangxi China
| | - Xu Liu
- Department of Pharmacy, College of Medicine, Guangxi University Nanning 530004 China
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Imidazole-derived new colorimetric/fluorometric chemosensor for the sensitive recognition of CN− ions: Real-time application in food samples and fluorescence bio-imaging. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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3
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Rationally constructed imidazole derivatized Schiff-base based fluorescent sensor for reversible identification of copper ions and its applications in fingerprint imaging. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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A highly effective turn-on tanshinone IIA-based fluorescent probe for rapid and sensitive detection of ClO− and its application in environmental analysis and bioimaging. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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5
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Enbanathan S, Iyer SK. A novel phenanthridine and terpyridine based D-π-A fluorescent probe for the ratiometric detection of Cd 2+ in environmental water samples and living cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114272. [PMID: 36356527 DOI: 10.1016/j.ecoenv.2022.114272] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/26/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
A "turn-on" Donor-π-Acceptor (D-π-A) containing phenanthridine-functionalized extended π-conjugate terpyridine, 5-(4'-([2,2':6',2''-terpyridin]-4'-yl)-[1,1'-biphenyl]4-yl)7,8,13,14-tetrahydrodibenzo [a, i] phenanthridine (TBTP) was synthesised. It shows strong selectivity for the detection of toxic Cd2+ without interference from other metal ions. In the presence of Cd2+, the absorption of the TBTP changes dramatically along with the fluorescent emission with the large Stokes shift of 6300 cm-1. When the compound TBTP is exposed to UV light, its colour changes from blue to orange over the addition of Cd2+. Adding other transition metal ions has no effect. This is based on the mechanism of intramolecular charge transfer. The detection limit for Cd2+ was found to be around 1.181 × 10-8 M. An investigation of the sensing mechanism includes job plot, NMR titration, DFT calculation, and HRMS analyses. Excitingly, the recognition of Cd2+ in CH3CN: H2O (8:2, v/v) medium is quantitative without interference from Zn2+, which is a common interferent for Cd2+. Furthermore, the probe was used for detecting Cd2+ in real water samples and cell imaging in living cells was also performed.
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Affiliation(s)
- Saravanan Enbanathan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632 014, India
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6
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Enbanathan S, Manickam S, Dhanthala Thiyagarajan M, Jothi D, Manojkumar S, Munusamy S, Murugan D, Rangasamy L, Balijapalli U, Kulathu Iyer S. Rational design of diphenyl-λ5σ4-phosphinine based fluorescent probe for the selective detection of Hg2+ ions: Real application in cell imaging and paper strips. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Jothi D, Munusamy S, Manickam S, Enbanathan S, Manojkumar S, Iyer SK. Benzothiazole appended 2,2'-(1,4-phenylene)diacetonitrile for the colorimetric and fluorescence detection of cyanide ions. RSC Adv 2022; 12:30045-30050. [PMID: 36329936 PMCID: PMC9583722 DOI: 10.1039/d2ra03702e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022] Open
Abstract
A benzothiazole appended 2,2'-(1,4-phenylene)diacetonitrile derivative (2Z,2'Z)-2,2'-(1,4-phenylene)bis(3-(3-(benzo[d]thiazol-2-yl)-4-hydroxyphenyl)acrylonitrile) (PDBT) has been synthesized and investigated as a novel sensor, capable of showing high selectivity and sensitivity towards CN- over a wide range of other interfering anions. After reaction with CN-, PDBT shows a new absorption peak at 451 nm with a color transformation from colorless to reddish-brown. When yellow fluorescent PDBT is exposed to CN-, it displays a significant increase in fluorescence at 445 nm, resulting in strong sky-blue fluorescence emission. The nucleophilic addition reaction of CN- plays a role in the sensing mechanism of PDBT to CN-. PDBT can distinguish between a broad variety of interfering anions and CN- with remarkable selectivity and sensitivity. Furthermore, the detection limit of the PDBT probe for CN- is 0.62 μM, which is significantly lower than the WHO standard of 1.9 μM for drinking water. Density functional theory simulations corroborated the observed fluorescence changes and the internal charge transfer process that occurs after cyanide ion addition. In addition, real-time applications of PDBT, such as cell imaging investigations and the detection of CN- in water samples, were successfully carried out.
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Affiliation(s)
- Dhanapal Jothi
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of TechnologyVellore-632014India
| | - Sathishkumar Munusamy
- Institute of Chemical Biology and Nanomedicine, State Key Laboratory of Chemo/Bio-sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan UniversityChangsha 410082P.R. China
| | - Saravanakumar Manickam
- Saveetha School of Engineering, Saveetha Institute of Medical and Technological Sciences, (SIMATS)Chennai-602105Tamil NaduIndia
| | - Saravanan Enbanathan
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of TechnologyVellore-632014India
| | - Selin Manojkumar
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of TechnologyVellore-632014India
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Moeinpour F, Mohseni-Shahri FS, Verdian A, Sheikhzadeh E. Selective Ligand-Doped Liquid Crystal-Based Sensing Platform for Detection of ClO - Ions in Aqueous Media. ACS OMEGA 2022; 7:35993-36000. [PMID: 36249373 PMCID: PMC9558706 DOI: 10.1021/acsomega.2c05250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
The liquid crystal (LC) detection platform has been fabricated for the detection of hypochlorite ions (ClO-) in aquatic solutions. In this system, an imine consisting of the ligand (E)-2-((4-(diethylamino)-2-hydroxybenzylidene)amino)-5-methoxybenzenesulfonic acid (MBA) was doped in 4-cyano-4'-pentyl biphenyl as a selecting LC for ClO-. When immersing the platform in a solution containing ClO-, hypochlorite appears to react with the imine bond in the MBA, and cause it to cleave, which eventually disrupts the direction of LC and causes a dark-to-bright conversion of the LC image. The detection limit for ClO- is 0.05 μM. This sensory platform was unresponsive to NO3 -, BrO3 -, CH3COO-, CO3 2-, and PO4 3- ions. Our sensing platform also detected ClO- in piped water. Since this sensory platform is colored under ambient light, it is easy for regular operators, and it can be used as a mobile tool for monitoring water quality anywhere.
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Affiliation(s)
- Farid Moeinpour
- Department
of Chemistry, Bandar Abbas Branch, Islamic
Azad University, Bandar Abbas7915893144, Iran
| | | | - Asma Verdian
- Department
of Food Safety and Quality Control, Research
Institute of Food Science and Technology (RIFST), Mashhad79153442, Iran
| | - Elham Sheikhzadeh
- Department
of Chemistry, Faculty of Science, Ferdowsi
University of Mashhad, Mashhad7915893167, Iran
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Enbanathan S, Munusamy S, Jothi D, Manojkumar S, Manickam S, Iyer SK. Zinc ion detection using a benzothiazole-based highly selective fluorescence "turn-on" chemosensor and its real-time application. RSC Adv 2022; 12:27839-27845. [PMID: 36320258 PMCID: PMC9520313 DOI: 10.1039/d2ra04874d] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 09/19/2022] [Indexed: 07/25/2023] Open
Abstract
A new photochromic fluorescence chemosensor was devised and effectively synthesized using benzothiazole and imidazopyridine derivatives. A "turn-on" fluorescence sensor BIPP for Zn2+ detection was developed and has a quick response, excellent sensitivity, and remarkable selectivity over other metal ions. When Zn2+ was added to the BIPP solution, a new strong fluorescence emission peak at 542 nm formed with a considerable increase in intensity. The fluorescence color of the BIPP solution changed from blue to bright green. The binding ratio 8 : 2 was found between BIPP and Zn2+ by the results of Job's plot, HRMS and 1H-NMR. The detection limit (LOD) of BIPP towards Zn2+ was determined to be 2.36 × 10-8, which is remarkably low. The ability to detect Zn2+ in real water samples demonstrates that BIPP may also be used in environmental systems. Additionally, BIPP can be used to measure Zn2+ levels in living cells.
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Affiliation(s)
- Saravanan Enbanathan
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of Technology Vellore-632014 India
| | - Sathishkumar Munusamy
- Department of Chemistry, Faculty of Science, Chulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
| | - Dhanapal Jothi
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of Technology Vellore-632014 India
| | - Selin Manojkumar
- Department of Chemistry, School of Advanced Sciences and Vellore Institute of Technology Vellore-632014 India
| | - Saravanakumar Manickam
- Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS) Chennai-602 105 Tamil Nadu India
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