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Vijayakumar S, Venkatesan S, Lin MC, Vediappen P. Highly Sensitive and Selective Detection of Melatonin in Biofluids by Antipyrine Based Fluorophore. J Fluoresc 2023; 33:383-392. [PMID: 36434443 DOI: 10.1007/s10895-022-03052-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 10/20/2022] [Indexed: 11/27/2022]
Abstract
A simple fluorescent based organic fluorophore was synthesized and it shows significant fluorescent intensity with melatonin (MLN). Hence, it was applicable to the detection of MLN by colorimetric and fluorimetric techniques at neutral pH. Under optimized experimental condition, the synthesized organic fluorophore detects MLN selectively in the presence of other interfering biomolecules through ICT mechanism. The melatonin sensing mechanism is supported by DFT and 1H-NMR titration. Based on the findings, this method can be applied to design a simple clinical diagnostic tool for MLN.
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Affiliation(s)
- Sathya Vijayakumar
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, Tamilnadu, India
| | - Srinivasadesikan Venkatesan
- School of Applied Science and Humanities, Department of Chemistry, Vignan's Foundation for Science, Technology and Research, Vadlamudi, Guntur, 522 213, Andhra Pradesh, India
| | - Ming-Chang Lin
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Padmini Vediappen
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai, 625021, Tamilnadu, India.
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Sivanandhan M, Parasuraman A, Surya C, Lakshminarayanan K, Krishnakumar B, Mani D, Ahn Y. Facile approach for green synthesis of fluorescent carbon dots from Manihot esculenta and their potential applications as sensor and bio-imaging agents. INORG CHEM COMMUN 2022; 137:109219. [DOI: 10.1016/j.inoche.2022.109219] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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3
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Bi X, Hou X, Zhang X, Liu W, Ren G, Xu S, Wang H, Wei W. Facile Synthesis of Green Fluorescent Carbon Dots and Application for Iron (III) Detection, Patterning and Cell Imaging. ChemistrySelect 2021. [DOI: 10.1002/slct.202100286] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xiaoyan Bi
- Second Hospital of Shanxi Medical University Shanxi Medical University Taiyuan 030001 China
| | - Xiaoyu Hou
- School of Basic Medical Sciences Shanxi Medical University Taiyuan 030001 China
| | - Xueyun Zhang
- School of Basic Medical Sciences Shanxi Medical University Taiyuan 030001 China
| | - Wen Liu
- School of Basic Medical Sciences Shanxi Medical University Taiyuan 030001 China
| | - Guodong Ren
- School of Basic Medical Sciences Shanxi Medical University Taiyuan 030001 China
| | - Shuming Xu
- Children's Hospital of Shanxi Taiyuan 030013 China
| | - Haojiang Wang
- School of Basic Medical Sciences Shanxi Medical University Taiyuan 030001 China
| | - Wenlong Wei
- Department of Chemistry and Chemical Engineering Taiyuan University of Technology Taiyuan 030024 China
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Manandhar E, Johnson ADG, Watson WM, Dickerson SD, Sahukhal GS, Elasri MO, Fronczek FR, Cragg PJ, Wallace KJ. Detection of ferric ions in a gram-positive bacterial cell: Staphylococcus aureus. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1868042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Erendra Manandhar
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Ashley D. G. Johnson
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, USA
| | - William M. Watson
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Shelby D. Dickerson
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Gyan S. Sahukhal
- Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Mohamed O. Elasri
- Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Frank R. Fronczek
- Department of Chemistry, Louisiana State University, Baton Rouge, LA, USA
| | - Peter J. Cragg
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, UK
| | - Karl J. Wallace
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, USA
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Ahmed A, Ahmad A, Ahmad M, Kalibabchuk VA. Crystal structure and Hirshfeld surface analysis of 4-{[(anthracen-9-yl)meth-yl]amino}-benzoic acid di-methyl-formamide monosolvate. Acta Crystallogr E Crystallogr Commun 2020; 76:728-731. [PMID: 32431941 PMCID: PMC7199275 DOI: 10.1107/s2056989020005393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/17/2020] [Indexed: 11/11/2022]
Abstract
The title compound, C22H17NO2·C3H7NO, was synthesized by condensation of an aromatic aldehyde with a secondary amine and subsequent reduction. It was crystallized from a di-methyl-formamide solution as a monosolvate, C22H17NO2·C3H7NO. The aromatic mol-ecule is non-planar with a dihedral angle between the mean planes of the aniline moiety and the methyl anthracene moiety of 81.36 (8)°. The torsion angle of the Car-yl-CH2-NH-Car-yl backbone is 175.9 (2)°. The crystal structure exhibits a three-dimensional supra-molecular network, resulting from hydrogen-bonding inter-actions between the carb-oxy-lic OH group and the solvent O atom as well as between the amine functionality and the O atom of the carb-oxy-lic group and additional C-H⋯π inter-actions. Hirshfeld surface analysis was performed to qu-antify the inter-molecular inter-actions.
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Affiliation(s)
- Adeeba Ahmed
- Department of Applied Chemistry, ZHCET, Aligarh Muslim University, Aligarh 202002 (UP), India
| | - Aiman Ahmad
- Department of Applied Chemistry, ZHCET, Aligarh Muslim University, Aligarh 202002 (UP), India
| | - Musheer Ahmad
- Department of Applied Chemistry, ZHCET, Aligarh Muslim University, Aligarh 202002 (UP), India
| | - Valentina A. Kalibabchuk
- Department of General Chemistry, O. O. Bohomolets National Medical University, Shevchenko Blvd. 13, 01601 Kiev, Ukraine
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Ahmed A, Faizi MSH, Ahmad A, Ahmad M, Fritsky IO. Crystal structure and Hirshfeld surface analysis of 4-{[(anthracen-9-yl)methyl]amino}benzoic acid. Acta Crystallogr E Crystallogr Commun 2020; 76:62-65. [PMID: 31921453 PMCID: PMC6944086 DOI: 10.1107/s2056989019016207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 12/02/2019] [Indexed: 11/10/2022]
Abstract
In the molecule of the title anthracene derivative, C22H17NO2, the benzene ring is inclined to the mean plane of the anthracene ring system (r.m.s. deviation = 0.024 Å) by 75.21 (9)°. In the crystal, molecules are linked by pairs of O—H...O hydrogen bonds, forming classical carboxylic acid inversion dimers with an R
2
2(8) ring motif. The dimers are linked by C—H...π interactions, forming a supramolecular framework.
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Syed Ali Fathima S, Mohamed Sahul Meeran M, Nagarajan E. Design and synthesis of novel pyrazolone based coordination compounds: DNA synergy, biological screening, apoptosis, molecular docking and in-silico ADMET profile. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.07.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Varadaraju C, Paulraj MS, Tamilselvan G, Muthu Vijayan Enoch IV, Srinivasadesikan V, Shyi-Long L. Evaluation of metal ion sensing behaviour of fluorescent probe along with its precursors: PET-CHEF mechanism, molecular logic gate behaviour and DFT studies. J INCL PHENOM MACRO 2019. [DOI: 10.1007/s10847-019-00919-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Alyaninezhad Z, Bekhradnia A, Feizi N, Arshadi S, Zibandeh M. A novel aluminum-sensitive fluorescent chemosensor based on 4-aminoantipyrine: An experimental and theoretical study. Spectrochim Acta A Mol Biomol Spectrosc 2019; 212:32-41. [PMID: 30594851 DOI: 10.1016/j.saa.2018.12.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 05/12/2023]
Abstract
A practical and an efficient Schiff base fluorescent chemosensor, salicylidene-4-aminoantipyrinyl-4-aminophenol (A2) has been synthesized through the condensation procedure of 1-phenyl-2,3-dimethyl-4-(N-2-hydroxybenzylidene)-3-pyrazoline-5-one and 4-aminophenol. Compound A2 has displayed a considerable fluorescence enhancement with high selectivity and sensitivity toward Al3+ ion and exhibited an emission band at 484 nm, which contained a low detection limit (LOD) of 1.06 × 10-7 M. In accordance to the experimental study, DFT, TDDFT calculations, and the enhancement of fluorescence intensity might be attributed to the inhibition of Photoinduced Electron Transfer (PET) along with the Excited-State Intramolecular Proton Transfer (ESIPT). As it has been specified by Job's plot and DFT calculations, the binding stoichiometries of A2 with Al3+ are 1:1, while the association constant (Ka) of Al3+ has been calculated and observed to be 2.67 × × 105 M-1. Furthermore, the binding behavior and sensing mechanism of A2 with Al3+ have been confirmed through the experiments of 1H NMR titration.
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Affiliation(s)
| | - Ahmadreza Bekhradnia
- Pharmaceutical Sciences Research Center, Department of Medicinal Chemistry, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Nourollah Feizi
- Chemistry Department, Payame Noor University, 19395-4697 Tehran, Iran
| | - Sattar Arshadi
- Chemistry Department, Payame Noor University, 19395-4697 Tehran, Iran
| | - Mahmood Zibandeh
- Chemistry Department, Payame Noor University, 19395-4697 Tehran, Iran
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12
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Kuang Y, Wang X, Tian X, Yang C, Li Y, Nie Y. Silica-embedded CdTe quantum dots functionalized with rhodamine derivative for instant visual detection of ferric ions in aqueous media. J Photochem Photobiol A Chem 2019; 372:140-6. [DOI: 10.1016/j.jphotochem.2018.12.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Syed Ali Fathima S, Paulpandiyan R, Nagarajan E. Expatiating biological excellence of aminoantipyrine derived novel metal complexes: Combined DNA interaction, antimicrobial, free radical scavenging studies and molecular docking simulations. J Mol Struct 2019; 1178:179-91. [DOI: 10.1016/j.molstruc.2018.10.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Song H, Zhou Y, Qu H, Xu C, Wang X, Liu X, Zhang Q, Peng X. A Novel AIE Plus ESIPT Fluorescent Probe with a Large Stokes Shift for Cysteine and Homocysteine: Application in Cell Imaging and Portable Kit. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04643] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Haohan Song
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Yanmei Zhou
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Haonan Qu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Chenggong Xu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Xiao Wang
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Xiaoqiang Liu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Qingyou Zhang
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
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Chen X, Sun W, Bai Y, Zhang F, Zhao J, Ding X. Novel rhodamine Schiff base type naked-eye fluorescent probe for sensing Fe 3+ and the application in cell. Spectrochim Acta A Mol Biomol Spectrosc 2018; 191:566-572. [PMID: 29112923 DOI: 10.1016/j.saa.2017.10.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/23/2017] [Accepted: 10/09/2017] [Indexed: 06/07/2023]
Abstract
Three rhodamine schiff-base type fluorescent sensors R1-R3 for detecting iron ion (Fe3+), 2-furanacrolein rhodamine hydrazone (R1), furfural rhodamine hydrazone (R2) and 2-furanacrolein rhodamine ethylenediamine (R3) have been synthesized by using rhodamine B derivatives and furan derivatives as staring materials. And their recognition abilities for Fe3+ were studied by fluorescence spectroscopy. The result showed that R1 is a best selective probe for Fe3+ over other metal ions in EtOH/H2O (1:1, v/v) due to having 2-furanacrolein for unique space coordination structural. The recognition of Fe3+ and mechanism of the sensor were characterized and determined by fluorescence spectra and Fukui function. And the fluorescence intensity of the probe R1 for Fe3+ was proportional to its concentration with the linear correlation coefficient of 0.9965 and the binding constant of 7.66×104M-1. And the cell imaging experiment indicated a successful application of the probe R1 for Fe3+ in living cell.
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Affiliation(s)
- Xia Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China
| | - Wei Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China
| | - Yinjuan Bai
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China.
| | - Feifei Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China
| | - Junxia Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China
| | - Xiaohu Ding
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, Shannxi 710127, PR China
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Wang Z, Yang J, Yang Y, Fang H, Xu X, Rui J, Su F, Xu H, Wang S. A novel hexahydroquinazolin-2-amine-based fluorescence sensor for Cu2+ from isolongifolanone and its biological applications. RSC Adv 2017. [DOI: 10.1039/c7ra04484d] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The isolongifolanone derivative (2c) exhibit highly selective and sensitive fluorescence quenching towards copper ions, and this was used for real-time sensing of cooper ions in vivo.
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Affiliation(s)
- Zhonglong Wang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
| | - Jinlai Yang
- Key Laboratory of High Efficient Processing of Bamboo of Zhejiang Province
- China National Bamboo Research Center
- Hangzhou 310012
- China
| | - Yiqin Yang
- Institute of Light Industry Science and Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
| | - Hua Fang
- Department of Chemistry and Material Science
- College of Science
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
| | - Xu Xu
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
- Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals
| | - Jian Rui
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
| | - Fan Su
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
| | - Haijun Xu
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
- Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals
| | - Shifa Wang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing
- People’s Republic of China
- Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals
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Dutta Chowdhury A, Doong RA. Highly Sensitive and Selective Detection of Nanomolar Ferric Ions Using Dopamine Functionalized Graphene Quantum Dots. ACS Appl Mater Interfaces 2016; 8:21002-10. [PMID: 27472083 DOI: 10.1021/acsami.6b06266] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The good stability, low cytotoxicity, and excellent photoluminescence property of graphene quantum dots (GQDs) make them an emerging class of promising materials in various application fields ranging from sensor to drug delivery. In the present work, the dopamine-functionalized GQDs (DA-GQDs) with stably bright blue fluorescence were successfully synthesized for low level Fe(3+) ions detection. The as-synthesized GQDs are uniform in size with narrow-distributed particle size of 4.5 ± 0.6 nm and high quantum yield of 10.2%. The amide linkage of GQDs with dopamine, confirmed by using XPS and FTIR spectra, results in the specific interaction between Fe(3+) and catechol moiety of dopamine at the interfaces for highly sensitive and selective detection of Fe(3+). A linear range of 20 nM to 2 μM with a detection limit of 7.6 nM is obtained for Fe(3+) detection by DA-GQDs. The selectivity of DA-GQDs sensing probe is significantly excellent in the presence of other interfering metal ions. In addition, the reaction mechanism for Fe(3+) detection based on the complexation and oxidation of dopamine has been proposed and validated. Results obtained in this study clearly demonstrate the superiority of surface functionalized GQDs to Fe(3+) detection, which can pave an avenue for the development of high performance and robust sensing probes for detection of metal ions and other organic metabolites in environmental and biomedical applications.
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Affiliation(s)
- Ankan Dutta Chowdhury
- Institute of Environmental Engineering, National Chiao Tung University , 1001 University Road, Hsinchu 30010, Taiwan
| | - Ruey-An Doong
- Institute of Environmental Engineering, National Chiao Tung University , 1001 University Road, Hsinchu 30010, Taiwan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University , 101 Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
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Shi B, Su Y, Zhang L, Huang M, Liu R, Zhao S. Nitrogen and Phosphorus Co-Doped Carbon Nanodots as a Novel Fluorescent Probe for Highly Sensitive Detection of Fe(3+) in Human Serum and Living Cells. ACS Appl Mater Interfaces 2016; 8:10717-25. [PMID: 27014959 DOI: 10.1021/acsami.6b01325] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Chemical doping with heteroatoms can effectively modulate physicochemical and photochemical properties of carbon dots (CDs). However, the development of multi heteroatoms codoped carbon nanodots is still in its early stage. In this work, a facile hydrothermal synthesis strategy was applied to synthesize multi heteroatoms (nitrogen and phosphorus) codoped carbon nanodots (N,P-CDs) using glucose as carbon source, and ammonia, phosphoric acid as dopant, respectively. Compared with CDs, the multi heteroatoms doped CDs resulted in dramatic improvement in the electronic characteristics and surface chemical activities. Therefore, the N,P-CDs prepared as described above exhibited a strong blue emission and a sensitive response to Fe(3+). The N,P-CDs based fluorescent sensor was then applied to sensitively determine Fe(3+) with a detection limit of 1.8 nM. Notably, the prepared N,P-CDs possessed negligible cytotoxicity, excellent biocompatibility, and high photostability. It was also applied for label-free detection of Fe(3+) in complex biological samples and the fluorescence imaging of intracellular Fe(3+), which indicated its potential applications in clinical diagnosis and other biologically related study.
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Affiliation(s)
- Bingfang Shi
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
- Key Laboratory of Regional Ecological Environment Analysis and Pollution Control of West Guangxi, College of Chemistry and Environmental Engineering, Baise University , 21 Zhongshan Road, Baise 533000, China
| | - Yubin Su
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
| | - Liangliang Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
| | - Mengjiao Huang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
| | - Rongjun Liu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University , 15 Yucai Road, Guilin 541004, China
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Hong JM, Kim HY, Park H, Chang SK. Cu 2+ -selective colorimetric signaling by sequential hydrolysis and oxidative coupling of a Schiff base. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhou Y, Huang Q, Zhang Q, Min Y, Wang E. A simple-structured acridine derivative as a fluorescent enhancement chemosensor for the detection of Pd2+ in aqueous media. Spectrochim Acta A Mol Biomol Spectrosc 2015; 137:33-38. [PMID: 25194318 DOI: 10.1016/j.saa.2014.08.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 07/20/2014] [Accepted: 08/09/2014] [Indexed: 06/03/2023]
Abstract
4,5-Bis(hydroxymethyl) acridine (sensor 1) has been discovered and synthesized as a simple-structured Pd(2+) fluorescent probe. Sensor 1 showed highly selective recognition toward Pd(2+) over other examined metal ions in aqueous solution. Under the optimized condition, fluorescence intensity was linearly proportional to the concentration of Pd(2+) in the 0-1 μM concentration range with detection limits of 0.021 μM. The EDTA-adding and stoichiometry experiments indicated that sensor 1 was a reversible chemosensor for Pd(2+) with a 2:1 ligand/metal complex at neutral pH. Moreover, the sensor 1 was also successfully applied to determination of Pd(2+) in water samples and palladium-containing catalyst, which made it attractive for sensing applications.
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Affiliation(s)
- Yanmei Zhou
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, PR China.
| | - Qi Huang
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, PR China
| | - Qingyou Zhang
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, PR China
| | - Yinghao Min
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, PR China
| | - Enze Wang
- Institute of Environmental and Analytical Sciences, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, PR China
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Li S, Li Y, Cao J, Zhu J, Fan L, Li X. Sulfur-doped graphene quantum dots as a novel fluorescent probe for highly selective and sensitive detection of Fe(3+). Anal Chem 2014; 86:10201-7. [PMID: 25280346 DOI: 10.1021/ac503183y] [Citation(s) in RCA: 312] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Sulfur-doped graphene quantum dots (S-GQDs) with stable blue-green fluorescence were synthesized by one-step electrolysis of graphite in sodium p-toluenesulfonate aqueous solution. Compared with GQDs, the S-GQDs drastically improved the electronic properties and surface chemical reactivities, which exhibited a sensitive response to Fe(3+). Therefore, the S-GQDs were used as an efficient fluorescent probe for highly selective detection of Fe(3+). Upon increasing of Fe(3+) concentration ranging from 0.01 to 0.70 μM, the fluorescence intensity of S-GQDs gradually decreased and reached a plateau at 0.90 μM. The difference in the fluorescence intensity of S-GQDs before and after adding Fe(3+) was proportional to the concentration of Fe(3+), and the calibration curve displayed linear regions over the range of 0-0.70 μM. The detection limit was 4.2 nM. Finally, this novel fluorescent probe was successfully applied to the direct analysis of Fe(3+) in human serum, which presents potential applications in clinical diagnosis and may open a new way to the design of effective fluorescence probes for other biologically related targets.
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Affiliation(s)
- Shuhua Li
- Department of Chemistry, Beijing Normal University , Beijing 100875, People's Republic of China
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Chen Z, Wang L, Zou G, Cao X, Wu Y, Hu P. A retrievable and highly selective fluorescent probe for monitoring dihydrogen phosphate ions based on a naphthalimide framework. Spectrochim Acta A Mol Biomol Spectrosc 2013; 114:323-329. [PMID: 23786971 DOI: 10.1016/j.saa.2013.05.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 05/16/2013] [Accepted: 05/19/2013] [Indexed: 06/02/2023]
Abstract
A novel selective fluorescent chemosensor based on naphthalimide derivatives (AN-SB) was synthesized and characterized. Once combined with Cu(2+), compound AN-SB could give rise to a visible yellow to orange color change and fluorescence quenching, while other metal ions showed subtle disturbance. The complex (AN-SB-Cu(2+)) formed by Cu(2+) and AN-SB displayed high specificity for H2PO4(-). Among the various anions, only H2PO4(-) induced the revival of color and fluorescence of AN-SB, resulting in "off-on" type sensing of H2PO4(-) anion. The signal transduction occured via reversible formation-separation of complex AN-SB-Cu(2+), however, slight changes were observed in the presence of other anions.
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Affiliation(s)
- Zhijun Chen
- Shanghai Key Laboratory of Functional Materials Chemistry and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, PR China
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Yang L, Zhu W, Fang M, Zhang Q, Li C. A new carbazole-based Schiff-base as fluorescent chemosensor for selective detection of Fe3+ and Cu2+. Spectrochim Acta A Mol Biomol Spectrosc 2013; 109:186-92. [PMID: 23523761 DOI: 10.1016/j.saa.2013.02.043] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Revised: 01/30/2013] [Accepted: 02/20/2013] [Indexed: 05/15/2023]
Abstract
A new carbazole-based Schiff-base (1) as a multi-functional fluorescent chemosensor was designed, synthesized and characterized, which can selectively recognized Fe(3+) and Cu(2+) ions over a number of other metal ions. Compound 1 could detect Fe(3+) and Cu(2+) by UV-Vis method and fluorescence method. The stoichiometry ratio of 1-Fe(3+) and 1-Cu(2+) are 2:1 and 1:1, respectively, by the method of Job's plot. Moreover, the detection limits were calculated to be 4.23×10(-6) mol/L for Fe(3+) ion and 5.67×10(-6) mol/L for Cu(2+) ion. In the presence of Fe(3+)/Cu(2+) ions, the fluorescence enhancement was attributed to the inhibited C=N isomerization and the obstructed excited state intramolecular proton transfer (ESIPT) of compound 1. At the same time, the interactions of compounds 1 with other ions were also investigated and unobvious UV-Vis absorption and fluorescence spectral changes were observed. Thus a new kind of chemosensor for Fe(3+)/Cu(2+)with high sensitivity and selectivity was introduced.
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Affiliation(s)
- Lianlian Yang
- College of Chemistry and Chemical Engineering & AnHui Province Key Laboratory of Environment-friendly Polymer Materials, Anhui University, Hefei 230601, China
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Chen Z, Wang L, Zou G, Tang J, Cai X, Teng M, Chen L. Highly selective fluorescence turn-on chemosensor based on naphthalimide derivatives for detection of copper(II) ions. Spectrochim Acta A Mol Biomol Spectrosc 2013; 105:57-61. [PMID: 23291230 DOI: 10.1016/j.saa.2012.12.005] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Revised: 11/30/2012] [Accepted: 12/05/2012] [Indexed: 06/01/2023]
Abstract
A new fluorescent probe, DN-SB, was synthesized. DN-SB was based on the naphthalimide derivatives and exhibited high selectivity and sensitivity for Cu(2+) ions. As a Cu(2+)-amplified fluorescent probe, its fluorescence spectrum showed 4.5-fold enhancement in the intensity of the signal at 519 nm on binding with the Cu(2+). Based on the fluorescence titration spectra and job's-plot, binding mode of DN-SB with Cu(2+) was proposed. Fluorescence intensity was linear with concentration of Cu(2+) cation in a range from 4 μM to 7 μM. DN-SB was also sensitive for copper ions. The detection limit was calculated to be 0.15 μM which indicated DN-SB was sensitive to Cu(2+).
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Affiliation(s)
- Zhijun Chen
- Shanghai Key Laboratory of Functional Materials Chemistry and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
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