1
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Chiara F, Allegra S, Mula J, Puccinelli MP, Abbadessa G, Mengozzi G, De Francia S. The Strange Case of Orotic Acid: The Different Expression of Pyrimidines Biosynthesis in Healthy Males and Females. J Pers Med 2023; 13:1443. [PMID: 37888054 PMCID: PMC10608620 DOI: 10.3390/jpm13101443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
Orotic acid (OA) is an intermediate metabolite of pyrimidine nucleotide biosynthesis and represents a minor diet constituent. The measurement of urinary orotic acid is useful in confirming the diagnosis of hereditary metabolic diseases. Moreover, it could be of interest to know how the physiological concentration of this metabolite changes in relation to different conditions of clinical normality. The purpose of this study was to determine the orotic acid concentration in the urine of healthy patients, to observe normal oroticuria and to evaluate if the expression of pyrimidine intermediate biosynthesis differs between healthy males and females. The orotic acid concentration in urine was performed via the ICH M10-validated analytical method. Unexpectedly, females showed a greater oroticuria than males in pediatric age (0-10); conversely, we did not find significant differences until 70 years of age. The LC-MS/MS method was suitable for use in the differential diagnosis of hereditary metabolic disease and metabolic monitoring of anticancer drug-induced toxicity. The analytical protocol was found to be rapid and ideal, and was used in the routine analysis of a clinical chemistry laboratory. The biochemical aspects related to the expression of pyrimidine biosynthesis should be further investigated in light of the obtained results.
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Affiliation(s)
- Francesco Chiara
- Laboratory of Clinical Pharmacology “Franco Ghezzo”, Department of Clinical and Biological Sciences, University of Turin, S. Luigi Gonzaga Hospital, 10043 Turin, Italy; (F.C.); (G.A.); (S.D.F.)
| | - Sarah Allegra
- Laboratory of Clinical Pharmacology “Franco Ghezzo”, Department of Clinical and Biological Sciences, University of Turin, S. Luigi Gonzaga Hospital, 10043 Turin, Italy; (F.C.); (G.A.); (S.D.F.)
| | - Jacopo Mula
- Department of Medical Sciences, University of Turin, Amedeo di Savoia Hospital, 10149 Turin, Italy;
| | - Maria Paola Puccinelli
- Laboratory of Clinical Biochemistry “Baldi e Riberi”, Metabolic Diseases Unit, AOU Città della Salute e della Scienza di Torino (TO), 10126 Turin, Italy; (M.P.P.); (G.M.)
| | - Giuliana Abbadessa
- Laboratory of Clinical Pharmacology “Franco Ghezzo”, Department of Clinical and Biological Sciences, University of Turin, S. Luigi Gonzaga Hospital, 10043 Turin, Italy; (F.C.); (G.A.); (S.D.F.)
| | - Giulio Mengozzi
- Laboratory of Clinical Biochemistry “Baldi e Riberi”, Metabolic Diseases Unit, AOU Città della Salute e della Scienza di Torino (TO), 10126 Turin, Italy; (M.P.P.); (G.M.)
| | - Silvia De Francia
- Laboratory of Clinical Pharmacology “Franco Ghezzo”, Department of Clinical and Biological Sciences, University of Turin, S. Luigi Gonzaga Hospital, 10043 Turin, Italy; (F.C.); (G.A.); (S.D.F.)
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2
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Rana S, Sharma RK, Fridman N, Kumar A. Structural characterization and bioimaging of Zn 2+ using meta-benziporphodimethene analogue. LUMINESCENCE 2022. [PMID: 36068987 DOI: 10.1002/bio.4382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/23/2022] [Accepted: 09/01/2022] [Indexed: 11/06/2022]
Abstract
"Prevention is better than cure, especially when something has no cure." Cancer, in most patients is detected at the stage beyond which it becomes non-curative. Thus, the early detection of cancer cells can play a crucial role in enhancing the chances of a patient's survival. In this light, we present a non-fluorescent receptor employed for the detection of Zn2+ ion in MDA-MB-231 carcinoma cells that exhibits fluorescence turn-on behaviour upon binding with the metal ion. In this work, the synthesis of 11,16-bis(2,6-difluorobenzene)-6,6,21,21-tetramethyl-meta-benziporpho-6,21-dimethene and its Zn2+ chloride complex have been reported. The compounds were fully characterized using UV-Visible, NMR, IR and mass spectrometry. Furthermore, the X-ray polymorphs of meta-benziporphodimethene analogue have been added. The study of its bioimaging applications in MDA-MB-231 breast cancer cells for the detection of Zn2+ ions have been reported.
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Affiliation(s)
- Shikha Rana
- Department of Applied Chemistry, Delhi Technological University, Bawana Road, Delhi, India
| | | | - Natalia Fridman
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, Israel
| | - Anil Kumar
- Department of Applied Chemistry, Delhi Technological University, Bawana Road, Delhi, India
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3
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Rathinam B, Liu BT. Highly efficient probe of dinuclear zinc complex for selective detection of oxalic acid. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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4
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Patra A, Chakraborty S, Lohar S, Zangrando E, Chattopadhyay P. A phenolato-bridged dinuclear Ni(II) complex for selective fluorescent sensing of oxalate in aqueous medium. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Conti L, Giorgi C, Valtancoli B, Paoli P, Rossi P, Marchionni A, Faggi E, Bencini A. Switching on the Fluorescence Emission of Polypyridine Ligands by Simultaneous Zinc(II) Binding and Protonation. Chempluschem 2020; 85:659-671. [PMID: 32237220 DOI: 10.1002/cplu.201900752] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/11/2020] [Indexed: 11/07/2022]
Abstract
The synthesis and characterization of the two new open-chain ligands 1,15-bis-[6-(2,2'-bipyridyl)]-2,5,8,11,14-pentaaza-octadecane (L1) and 1,15-bis-[2-(1,10-phenanthroline)-9-methyl]-2,5,8,11,14-pentaazaoctadecane (L2), both featuring a tetraethylenpentaamine chain linking via methylene bridges the 6 and 2 positions of two identical 2,2'-bipyridyl (bpy) and 9-methyl-1,10-phenanthroline (9-methyl-phen) moieties respectively, are reported. Their protonation and binding ability for Cu2+ , Zn2+ , Cd2+ and Pb2+ have been studied by coupling potentiometric titrations with UV-vis absorption and fluorescence emission measurements in water. L1 and L2 afford stable mono- and dinuclear complexes, in which the metal ion is bound by a single bpy or 9-methyl-phen unit and the amine groups on the aliphatic chain. However, L1 displays a greater binding ability for Cu2+ and Zn2+ with respect to L2, the stability constants of the [ML1]2+ complexes being 21.8 (Cu2+ ) and 19.4 (Zn2+ ) log units vs 20.34 and 16.8 log. units for the corresponding L2 species. Among all the metal ions tested, only the Zn2+ complex with L2 features an enhanced fluorescence emission at neutral pH, thanks to the simultaneous binding of one Zn2+ ion and H+ ion(s), that inhibits any possible photoinduced electron transfer (PET) process from the amine donors to the excited phen moiety. Binding of a second metal switches off the emission again.
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Affiliation(s)
- Luca Conti
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Claudia Giorgi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Barbara Valtancoli
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Paola Paoli
- Department of Industrial Engineering, University of Florence, Via S. Marta 3, Florence, 50139, Italy
| | - Patrizia Rossi
- Department of Industrial Engineering, University of Florence, Via S. Marta 3, Florence, 50139, Italy
| | - Andrea Marchionni
- Istituto di Chimica dei Composti OrganoMetallici (ICCOM_CNR), Via Madonna del Piano 10, 50019, Sesto Fiorentino (FI), Italy
| | - Enrico Faggi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Andrea Bencini
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
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6
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George K J, Halali VV, C. G. S, Suvina V, Sakar M, Balakrishna RG. Perovskite nanomaterials as optical and electrochemical sensors. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00306a] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The perovskite family is comprised of a great number of members because of the possible and flexible substitution of numerous ions in its system.
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Affiliation(s)
- Jesna George K
- Centre for Nano and Material Sciences
- Jain University
- Bangalore 562112
- India
| | - Vishaka V Halali
- Centre for Nano and Material Sciences
- Jain University
- Bangalore 562112
- India
| | - Sanjayan C. G.
- Centre for Nano and Material Sciences
- Jain University
- Bangalore 562112
- India
| | - V. Suvina
- Centre for Nano and Material Sciences
- Jain University
- Bangalore 562112
- India
| | - M. Sakar
- Centre for Nano and Material Sciences
- Jain University
- Bangalore 562112
- India
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7
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Choi MT, Yang Q, Mak TC, Ng DK. Synthesis and Molecular Structure of a Head-to-Tail [4+4] Dimer of a Hexa-Substituted Anthracene. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.3184/030823402103171122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Two hexa-substituted anthracenes have been synthesised; the molecular structure of a [4+4] head-to-tail anthracene dimer has also been determined by X-ray diffraction analysis.
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Affiliation(s)
- Michael T.M. Choi
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Qingchuan Yang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Thomas C.W. Mak
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Dennis K.P. Ng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
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8
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Review on Recent Advances in Metal Ions Sensing Using Different Fluorescent Probes. J Fluoresc 2018; 28:999-1021. [DOI: 10.1007/s10895-018-2263-y] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 07/05/2018] [Indexed: 01/07/2023]
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9
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Schneider HJ. Logic-Gate Functions in Chemomechanical Materials. Chemphyschem 2017; 18:2306-2313. [DOI: 10.1002/cphc.201700186] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 06/16/2017] [Indexed: 01/04/2023]
Affiliation(s)
- Hans-Jörg Schneider
- FR Organische Chemie der; Universität des Saarlandes; 66123 Saarbrücken Germany
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10
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Recent Advances in Macrocyclic Fluorescent Probes for Ion Sensing. Molecules 2017; 22:molecules22020200. [PMID: 28125069 DOI: 10.3390/molecules22020200] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/13/2017] [Accepted: 01/16/2017] [Indexed: 12/18/2022] Open
Abstract
Small-molecule fluorescent probes play a myriad of important roles in chemical sensing. Many such systems incorporating a receptor component designed to recognise and bind a specific analyte, and a reporter or transducer component which signals the binding event with a change in fluorescence output have been developed. Fluorescent probes use a variety of mechanisms to transmit the binding event to the reporter unit, including photoinduced electron transfer (PET), charge transfer (CT), Förster resonance energy transfer (FRET), excimer formation, and aggregation induced emission (AIE) or aggregation caused quenching (ACQ). These systems respond to a wide array of potential analytes including protons, metal cations, anions, carbohydrates, and other biomolecules. This review surveys important new fluorescence-based probes for these and other analytes that have been reported over the past five years, focusing on the most widely exploited macrocyclic recognition components, those based on cyclam, calixarenes, cyclodextrins and crown ethers; other macrocyclic and non-macrocyclic receptors are also discussed.
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11
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Mittapalli RR, Namashivaya SSR, Oshchepkov AS, Shumilova TA, Rüffer T, Lang H, Kataev EA. Selective recognition of oxalate in water: effect of pH on binding strength and sensing mechanisms. Chem Commun (Camb) 2017; 53:11345-11348. [DOI: 10.1039/c7cc06955c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
New anthracene-containing azacryptands can selectively detect oxalate in a buffered aqueous solution at pH 6.2 showing a 10-fold fluorescence enhancement.
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Affiliation(s)
- Ramana R. Mittapalli
- University of Greenwich Medway Campus, Grenville building, School of Science
- Gillingham
- UK
| | | | | | | | - Tobias Rüffer
- Institute of Chemistry Technische Universität Chemnitz
- Chemnitz
- Germany
| | - Heinrich Lang
- Institute of Chemistry Technische Universität Chemnitz
- Chemnitz
- Germany
| | - Evgeny A. Kataev
- Institute of Chemistry Technische Universität Chemnitz
- Chemnitz
- Germany
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12
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Kataev EA, Shumilova TA, Fiedler B, Anacker T, Friedrich J. Understanding Stacking Interactions between an Aromatic Ring and Nucleobases in Aqueous Solution: Experimental and Theoretical Study. J Org Chem 2016; 81:6505-14. [PMID: 27314892 DOI: 10.1021/acs.joc.6b01130] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Stacking interactions between aromatic compounds and nucleobases are crucial in recognition of nucleotides and nucleic acids, but a comprehensive understanding of the strength and selectivity of these interactions in aqueous solution has been elusive. To this end, model complexes have been designed and analyzed by experiment and theory. For the first time, stacking free energies between five nucleobases and anthracene were determined experimentally from thermodynamic double mutant cycles. Three different experimental methods were proposed and evaluated. The dye prefers to bind nucleobases in the order (kcal/mol): G (1.3) > T (0.9) > U (0.8) > C (0.5) > A (0.3). The respective trend of interaction free energies extracted from DFT calculations correlates to that obtained experimentally. Analysis of the data suggests that stacking interactions dominate over hydrophobic effects in an aqueous solution and can be predicted with DFT calculations.
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Affiliation(s)
- Evgeny A Kataev
- Institute of Chemistry, Faculty of Natural Sciences, Technische Universität Chemnitz , 09107 Chemnitz, Germany
| | - Tatiana A Shumilova
- Institute of Chemistry, Faculty of Natural Sciences, Technische Universität Chemnitz , 09107 Chemnitz, Germany
| | - Benjamin Fiedler
- Institute of Chemistry, Faculty of Natural Sciences, Technische Universität Chemnitz , 09107 Chemnitz, Germany
| | - Tony Anacker
- Institute of Chemistry, Faculty of Natural Sciences, Technische Universität Chemnitz , 09107 Chemnitz, Germany
| | - Joachim Friedrich
- Institute of Chemistry, Faculty of Natural Sciences, Technische Universität Chemnitz , 09107 Chemnitz, Germany
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13
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Lohar S, Sinha S, Ghosh S, Das D. Tri-color emission and colorimetric recognition of acetate using semicarbazide and thio-semicarbazide derivatives: Experimental and computational studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 155:75-80. [PMID: 26583521 DOI: 10.1016/j.saa.2015.10.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Revised: 09/19/2015] [Accepted: 10/22/2015] [Indexed: 06/05/2023]
Abstract
Two new fluorescence probes having semicarbazide (DSC) and thio-semicarbazide (DTSC) units have been derived upon reaction with 2-hydroxy-5-methylbenzene-1,3-dialdehyde. Both the probes show excellent selectivity for acetate ion in DMSO medium whereby DTSC generates tricolor emission. The association constants of DSC and DTSC for acetate are 6.6×10(4)M(-1) and 2×10(3)M(-1) respectively with corresponding detection limits, 1.06×10(-7)M and 2.5×10(-6)M. Density functional theoretical (DFT) studies nicely demonstrate the interaction between the DTSC and acetate ion.
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Affiliation(s)
- Sisir Lohar
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Sougata Sinha
- Department of Chemistry, Indian Institute Technology, Mandi, Himachal Pradesh, India
| | - Subrata Ghosh
- Department of Chemistry, Indian Institute Technology, Mandi, Himachal Pradesh, India
| | - Debasis Das
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India.
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14
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Orotic Acid, More Than Just an Intermediate of Pyrimidine de novo Synthesis. J Genet Genomics 2015; 42:207-19. [DOI: 10.1016/j.jgg.2015.04.001] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 04/04/2015] [Accepted: 04/09/2015] [Indexed: 01/21/2023]
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15
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Curiel D, Más-Montoya M, Sánchez G. Complexation and sensing of dicarboxylate anions and dicarboxylic acids. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Shellaiah M, Rajan YC, Balu P, Murugan A. A pyrene based Schiff base probe for selective fluorescence turn-on detection of Hg2+ ions with live cell application. NEW J CHEM 2015. [DOI: 10.1039/c4nj02367f] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel pyrene based free thiol containing a Schiff base derivative PT1 was synthesized and reported as a fluorescence turn-on sensor for Hg2+ ions, via CHEF and excimer (PT1-PT1*) formation with live cell imaging.
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Affiliation(s)
- Muthaiah Shellaiah
- Department of Chemistry
- Kalasalingam University
- Krishnan koil 626 190
- India
| | | | - Perumal Balu
- Department of Chemistry
- Guru Nanak College
- Chennai 600042
- India
| | - Arumugam Murugan
- Department of Chemistry
- Kalasalingam University
- Krishnan koil 626 190
- India
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17
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Kannan A, Rajakumar P. Synthesis, photophysical, electrochemical and laser properties of anthracene conjugated glycodendrimers with triazole as a bridging unit. RSC Adv 2015. [DOI: 10.1039/c5ra07901b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Blue light emitting glycodendrimers 1, 2 and 3 were successfully synthesized by click reaction and the higher generation glycodendrimers showed enhanced optical, photophysical, laser and electrochemical properties.
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Affiliation(s)
- Ayyavoo Kannan
- Department of Organic Chemistry
- University of Madras
- Chennai-600 025
- India
| | - Perumal Rajakumar
- Department of Organic Chemistry
- University of Madras
- Chennai-600 025
- India
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18
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A novel carbazole-based ratiometric fluorescent sensor for Zn2+ recognition through excimer formation and application of the resultant complex for colorimetric recognition of oxalate through IDAs. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.09.083] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Shellaiah M, Wu YH, Lin HC. Simple pyridyl-salicylimine-based fluorescence "turn-on" sensors for distinct detections of Zn2+, Al3+ and OH- ions in mixed aqueous media. Analyst 2013; 138:2931-42. [PMID: 23531941 DOI: 10.1039/c3an36840h] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Simple pyridyl-salicylimine derivatives (F1, F2 and F3) are reported for the first time as fluorescence "turn-on" sensors for distinct detections of Zn(2+), Al(3+) and OH(-) ions in mixed-aqueous media CH3CN/H2O with volume ratios of 6/4 and 3/7 (at pH = 7 and 25 °C) via internal charge transfer (ICT), chelation enhanced fluorescence (CHEF), and deprotonation mechanisms. F1 and F2 show diverse turn-on sensing applications to Zn(2+), Al(3+) and OH(-) ions, but F3 exhibited the fluorescence turn-on sensing to Al(3+) and OH(-) ions in CH3CN/H2O (6/4; vol/vol). F1+Zn(2+) and F2+Zn(2+) complexes revealed the reversibilities and ratiometric displacements of Zn(2+) with ethylene diamine tetra acetic acid (EDTA) and Al(3+) ions, respectively, in CH3CN/H2O (6/4; vol/vol). On the other hand, F1, F2 and F3 in CH3CN/H2O (3/7; vol/vol) showed sensitivities only to Al(3+) ions but negligible selectivities to OH(-) ions. Stoichiometry of all sensor complexes were calculated as 1 : 1 by job's plots based on UV/Vis and PL titrations. The complex formation and binding sites of all sensor materials were well characterized by (1)H, (13)C NMR, and mass (FAB) spectral analysis. Detection limits were calculated from standard deviations and linear fitting calculations. The association constant (log K(a)) values of sensor complexes were evaluated from the fluorescence binding isotherms. The fluorescence decay constant (τ) values were estimated from time resolved fluorescence studies. Time, temperature, pH and solvent concentration effects towards sensor responses were fully investigated in this report.
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Affiliation(s)
- Muthaiah Shellaiah
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30049, Taiwan (ROC)
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20
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Saluja P, Kaur N, Kang J, Singh N, Jang DO. Benzimidazole-based chromogenic chemosensor for the recognition of oxalic acid via counter ion displacement assay in semi-aqueous medium. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.08.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Tang L, Zhao G, Tang B. Colorimetric Recognition of Oxalate in Water by a New Carbazole-Zn(II) Based Chemosensing Ensemble. JOURNAL OF CHEMICAL RESEARCH 2013. [DOI: 10.3184/174751913x13738775726772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A chemosensing ensemble consisting of a carbazole-containing dinuclear zinc(II) complex and chromeazurol S displays colorimetric recognition of oxalate in water at pH 7.0. Upon addition of oxalate, the ensemble solution exhibits a naked eye detectable colour change from blue to yellow. The oxalate sensing process is hardly affected by other dicarboxylates; addition of dicarboxylates such as malonate, succinate, glutarate, adipate, phthalate, isophthalate and terephthalate does not induce significant colour changes.
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Affiliation(s)
- Lijun Tang
- College of Chemistry and Chemical Engineering, Liaoning Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, P. R. China
| | - Guoyou Zhao
- College of Chemistry and Chemical Engineering, Liaoning Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou 121013, P. R. China
| | - Bingtao Tang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, High-tech District, Dalian 116024, P. R. China
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22
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Cao J, Wu T, Sun W, Hu C. Time-dependent density functional theory study on the excited-state hydrogen bonding strengthening of photoexcited 4-amino-1,8-naphthalimide in hydrogen-donating solvents. J PHYS ORG CHEM 2013. [DOI: 10.1002/poc.3084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jianfang Cao
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road; Dalian; 116024; China
| | - Tong Wu
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road; Dalian; 116024; China
| | - Wen Sun
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road; Dalian; 116024; China
| | - Chong Hu
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; 2 Linggong Road; Dalian; 116024; China
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23
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Affiliation(s)
- André Bessette
- a Département de Chimie , Université de Montréal , Pavillon J.-A. Bombardier, 5155 Decelles Avenue, Montréal , Québec , Canada , H3T-2B1
| | - Samik Nag
- a Département de Chimie , Université de Montréal , Pavillon J.-A. Bombardier, 5155 Decelles Avenue, Montréal , Québec , Canada , H3T-2B1
- b Department of Chemical Sciences , Sikkim University , Gangtok , Sikkim , 737102 , India
| | - Amlan K. Pal
- a Département de Chimie , Université de Montréal , Pavillon J.-A. Bombardier, 5155 Decelles Avenue, Montréal , Québec , Canada , H3T-2B1
| | - Sofia Derossi
- a Département de Chimie , Université de Montréal , Pavillon J.-A. Bombardier, 5155 Decelles Avenue, Montréal , Québec , Canada , H3T-2B1
| | - Garry S. Hanan
- a Département de Chimie , Université de Montréal , Pavillon J.-A. Bombardier, 5155 Decelles Avenue, Montréal , Québec , Canada , H3T-2B1
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Mishra A, Vajpayee V, Kim H, Lee MH, Jung H, Wang M, Stang PJ, Chi KW. Self-assembled metalla-bowls for selective sensing of multi-carboxylate anions. Dalton Trans 2012; 41:1195-201. [DOI: 10.1039/c1dt11612f] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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25
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Hu M, Feng G. Highly selective and sensitive fluorescent sensing of oxalate in water. Chem Commun (Camb) 2012; 48:6951-3. [DOI: 10.1039/c2cc33191h] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Ding Y, Li T, Zhu W, Xie Y. Highly selective colorimetric sensing of cyanide based on formation of dipyrrin adducts. Org Biomol Chem 2012; 10:4201-7. [DOI: 10.1039/c2ob25297j] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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27
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Xie Y, Ding Y, Li X, Wang C, Hill JP, Ariga K, Zhang W, Zhu W. Selective, sensitive and reversible “turn-on” fluorescent cyanide probes based on 2,2′-dipyridylaminoanthracene–Cu2+ ensembles. Chem Commun (Camb) 2012; 48:11513-5. [DOI: 10.1039/c2cc36140j] [Citation(s) in RCA: 167] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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28
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Shankar BH, Ramaiah D. Dansyl—Naphthalimide Dyads As Molecular Probes: Effect of Spacer Group on Metal Ion Binding Properties. J Phys Chem B 2011; 115:13292-9. [DOI: 10.1021/jp207895y] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Balaraman H. Shankar
- Photosciences and Photonics Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST), CSIR, Trivandrum 695 019, India
| | - Danaboyina Ramaiah
- Photosciences and Photonics Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST), CSIR, Trivandrum 695 019, India
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29
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Marcotte N, Taglietti A. Transition-metal-based Chemosensing Ensembles: ATP Sensing in Physiological Conditions. Supramol Chem 2011. [DOI: 10.1080/10610270310001605205] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Nathalie Marcotte
- a Dipartimento di Chimica Generale , Università di Pavia , Viale Taramelli 12, 27100, Pavia, Italy
| | - Angelo Taglietti
- a Dipartimento di Chimica Generale , Università di Pavia , Viale Taramelli 12, 27100, Pavia, Italy
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30
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Dual chemosensing properties of new ferrocene-based receptors towards fluoride and copper(II) ions. INORG CHEM COMMUN 2011. [DOI: 10.1016/j.inoche.2011.06.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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31
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Vajpayee V, Song YH, Lee MH, Kim H, Wang M, Stang PJ, Chi KW. Self-assembled arene-ruthenium-based rectangles for the selective sensing of multi-carboxylate anions. Chemistry 2011; 17:7837-44. [PMID: 21611989 PMCID: PMC3358929 DOI: 10.1002/chem.201100242] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2011] [Revised: 04/01/2011] [Indexed: 11/08/2022]
Abstract
Novel arene-ruthenium [2+2] metalla-rectangles 4 and 5 have been synthesized by self-assembly using dipyridyl amide ligand 3 and arene-ruthenium acceptors (arene: benzoquinone (1), naphthacenedione (2)) and characterized by NMR spectroscopy and ESI-MS. The solid-state structure of 5 was determined by X-ray diffraction and shows encapsulated diethyl ether molecule in the rectangular cavity of 5. The luminescent 5 was further used for anion sensing with the amidic linkage serving as a hydrogen-bond donor site for anions and the ruthenium moiety serving as a signaling unit. A UV/Vis titration study demonstrated that although 5 interacts very weakly with common monoanions as well as with flexible dicarboxylate anions such as malonate and succinate, it displays significant binding affinity (K>10(3) in MeOH) for rigid multi-carboxylate anions such as oxalate, citrate, and tartrate, exhibiting a 1:1 stoichiometry. It has been suggested that 1:1 bidentate hydrogen bonding assisted by appropriate geometrical complementarity is mainly responsible for the increased affinity of 5 towards such anions. A fluorescence titration study revealed a large fluorescence enhancement of 5 upon binding to multi-carboxylate anions, which can be attributed to the blocking of the photoinduced electron-transfer process from the arene-Ru moiety to the amidic donor in 5 as a result of hydrogen bonding between the donor and the anion.
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Affiliation(s)
- Vaishali Vajpayee
- Department of Chemistry, University of Ulsan, Ulsan 680-749, Republic of Korea, Fax: (+) 82-52-259-2348
| | - Young Ho Song
- Department of Chemistry, University of Ulsan, Ulsan 680-749, Republic of Korea, Fax: (+) 82-52-259-2348
| | - Min Hyung Lee
- Department of Chemistry, University of Ulsan, Ulsan 680-749, Republic of Korea, Fax: (+) 82-52-259-2348
| | - Hyunuk Kim
- Department of Chemistry, Pohang University of Science and Technology, San 31 Hyojadong, Pohang 790-784, Republic of Korea
| | - Ming Wang
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, U.S.A
| | - Peter J. Stang
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, U.S.A
| | - Ki-Whan Chi
- Department of Chemistry, University of Ulsan, Ulsan 680-749, Republic of Korea, Fax: (+) 82-52-259-2348
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32
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A Zinc-Sensing Glucose-Based Naphthyl Imino Conjugate as a Detecting Agent for Inorganic and Organic Phosphates, Including DNA. Chemistry 2011; 17:8044-7. [DOI: 10.1002/chem.201100734] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2011] [Indexed: 11/07/2022]
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33
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Tan SS, Kim SJ, Kool ET. Differentiating between fluorescence-quenching metal ions with polyfluorophore sensors built on a DNA backbone. J Am Chem Soc 2011; 133:2664-71. [PMID: 21294558 DOI: 10.1021/ja109561e] [Citation(s) in RCA: 110] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A common problem in detecting metal ions with fluorescentchemosensors is the emission-suppressing effects of fluorescence-quenching metal ions. This quenching tendency makes it difficult to design sensors with turn-on signal, and differentiate between several metal ions that may yield a strong quenching response. To address these challenges, we investigate a new sensor design strategy, incorporating fluorophores and metal ligands as DNA base replacements in DNA-like oligomers, for generating a broader range of responses for quenching metal ions. The modular molecular design enabled rapid synthesis and discovery of sensors from libraries on PEG-polystyrene beads. Using this approach, water-soluble sensors 1-5 were identified as strong responders to a set of eight typically quenching metal ions (Co(2+), Ni(2+), Cu(2+), Hg(2+), Pb(2+), Ag(+), Cr(3+), and Fe(3+)). They were synthesized and characterized for sensing responses in solution. Cross-screening with the full set of metal ions showed that they have a wide variety of responses, including emission enhancements and red- and blue-shifts. The diversity of sensor responses allows as few as two sensors (1 and 2) to be used together to successfully differentiate these eight metals. As a test, a set of unknown metal ion solutions in blind studies were also successfully identified based on the response pattern of the sensors. The modular nature of the sensor design strategy suggests a broadly applicable approach to finding sensors for differentiating many different cations by pattern-based recognition, simply by varying the sequence and composition of ligands and fluorophores on a DNA synthesizer.
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Affiliation(s)
- Samuel S Tan
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, USA
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34
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Ding Y, Xie Y, Li X, Hill JP, Zhang W, Zhu W. Selective and sensitive “turn-on” fluorescent Zn2+ sensors based on di- and tripyrrins with readily modulated emission wavelengths. Chem Commun (Camb) 2011; 47:5431-3. [DOI: 10.1039/c1cc11493j] [Citation(s) in RCA: 161] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Di- and tripyrrin Zn2+ sensors exhibit CHEF-type fluorescence enhancement by factors up to 72, with tunable emission colours.
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Affiliation(s)
- Yubin Ding
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- East China University of Science and Technology
- Shanghai
- P. R. China
| | - Yongshu Xie
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- East China University of Science and Technology
- Shanghai
- P. R. China
| | - Xin Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- East China University of Science and Technology
- Shanghai
- P. R. China
| | - Jonathan P. Hill
- WPI-Center for Materials Nanoarchitectonics
- National Institute for Materials Science (NIMS)
- Namiki 1-1
- Ibaraki
- Japan
| | - Weibing Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- East China University of Science and Technology
- Shanghai
- P. R. China
| | - Weihong Zhu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- East China University of Science and Technology
- Shanghai
- P. R. China
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35
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He C, Qian X, Xu Y, Yang C, Yin L, Zhu W. A ratiometric fluorescent probe for oxalate based on alkyne-conjugated carboxamidoquinolines in aqueous solution and imaging in living cells. Dalton Trans 2011; 40:1034-7. [DOI: 10.1039/c0dt01364a] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Das S, Guha S, Banerjee A, Lohar S, Sahana A, Das D. 2-(2-Pyridyl) benzimidazole based Co(ii) complex as an efficient fluorescent probe for trace level determination of aspartic and glutamic acid in aqueous solution: A displacement approach. Org Biomol Chem 2011; 9:7097-104. [DOI: 10.1039/c1ob05951c] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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37
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He C, Zhu W, Xu Y, Zhong Y, Zhou J, Qian X. Ratiometric and reusable fluorescent nanoparticles for Zn2+ and H2PO4− detection in aqueous solution and living cells. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm01925a] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Bazzicalupi C, Bencini A, Biagini S, Bianchi A, Faggi E, Giorgi C, Marchetta M, Totti F, Valtancoli B. Polyamine Receptors Containing Dipyridine or Phenanthroline Units: Clues for the Design of Fluorescent Chemosensors for Metal Ions. Chemistry 2009; 15:8049-8063. [DOI: 10.1002/chem.200900283] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Wang J, Ha CS. A colorimetric and fluorescent turn-on chemosensor for Zn2+ based on an azobenzene-containing compound. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.06.055] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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40
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Pedras B, Oliveira E, Santos H, Rodríguez L, Crehuet R, Avilés T, Capelo JL, Lodeiro C. A new tripodal poly-imine indole-containing ligand: Synthesis, complexation, spectroscopic and theoretical studies. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2008.11.032] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Calero P, Martínez-Máñez R, Sancenón F, Soto J. Synthesis, Characterisation and Optical Properties of Silica Nanoparticles Coated with Anthracene Fluorophore and Thiourea Hydrogen-Bonding Subunits. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800721] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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42
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Tang L, Park J, Kim HJ, Kim Y, Kim SJ, Chin J, Kim KM. Tight Binding and Fluorescent Sensing of Oxalate in Water. J Am Chem Soc 2008; 130:12606-7. [DOI: 10.1021/ja804753n] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lijun Tang
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Jinhee Park
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Hae-Jo Kim
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Youngmee Kim
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Sung Jin Kim
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Jik Chin
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
| | - Kwan Mook Kim
- Bio-Chiral Laboratory, Department of Chemistry and Division of Nano Sciences, Ewha Womans University, Seoul 120-750, South Korea, Department of Chemistry, Kyonggi University, Suwon 443-760, Korea, and Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S-3H6, Canada
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43
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Koo CK, Chow CF, Chiu BKW, Lei NY, Lam MHW, Wong WY. A Pair of Coordination Donor–Acceptor Ensembles for the Detection of Tartrate in Aqueous Media. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200700931] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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44
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Shiraishi Y, Ichimura C, Hirai T. A quinoline–polyamine conjugate as a fluorescent chemosensor for quantitative detection of Zn(II) in water. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.09.032] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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45
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Schneider HJ, Kato K, Strongin RM. Chemomechanical Polymers as Sensors and Actuators for Biological and Medicinal Applications. SENSORS 2007; 7:1578-1611. [PMID: 19606275 PMCID: PMC3814870 DOI: 10.3390/s7081578] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Changes in the chemical environment can trigger large motions in chemomechanical polymers. The unique feature of such intelligent materials, mostly in the form of hydrogels, is therefore, that they serve as sensors and actuators at the same time, and do not require any measuring devices, transducers or power supplies. Until recently the most often used of these materials responded to changes in pH. Chemists are now increasingly using supramolecular recognition sites in materials, which are covalently bound to the polymer backbone. This allows one to use a nearly unlimited variety of guest (or effector) compounds in the environment for a selective response by automatically triggered size changes. This is illustrated with non-covalent interactions of effectors comprising of metal ions, isomeric organic compounds, including enantiomers, nucleotides, aminoacids, and peptides. Two different effector molecules can induce motions as functions of their concentration, thus representing a logical AND gate. This concept is particularly fruitful with effector compounds such as peptides, which only trigger size changes if, e.g. copper ions are present in the surroundings. Another principle relies on the fast formation of covalent bonds between an effector and the chemomechanical polymer. The most promising application is the selective interaction of covalently fixed boronic acid residues with glucose, which renders itself not only for sensing, but eventually also for delivery of drugs such as insulin. The speed of the responses can significantly increase by increasing the surface to volume ratio of the polymer particles. Of particular interest is the sensitivity increase which can be reached by downsizing the particle volume.
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Affiliation(s)
- Hans-Jörg Schneider
- FR Organische Chemie der Universität des Saarlandes, D-66041 Saarbrücken, Germany
- Authors to whom correspondence should be addressed; E-mails: ;
| | - Kazuaki Kato
- FR Organische Chemie der Universität des Saarlandes, D-66041 Saarbrücken, Germany
- Department of Advanced Material Science, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8562, Japan; E-mail:
| | - Robert M. Strongin
- Department of Chemistry, Portland State University, Portland, OR, 97201, USA
- Authors to whom correspondence should be addressed; E-mails: ;
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46
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Oliveira E, Vicente M, Valencia L, Macías A, Bértolo E, Bastida R, Lodeiro C. Metal ion interaction with a novel anthracene pendant-armed fluorescent molecular probe. Synthesis, characterization, and fluorescence studies. Inorganica Chim Acta 2007. [DOI: 10.1016/j.ica.2007.01.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Zhang G, Yang G, Wang S, Chen Q, Ma JS. A Highly Fluorescent Anthracene-Containing Hybrid Material Exhibiting Tunable Blue–Green Emission Based on the Formation of an Unusual “T-Shaped” Excimer. Chemistry 2007; 13:3630-5. [PMID: 17238212 DOI: 10.1002/chem.200600514] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A series of flexible bis(9-anthryldiamine) ligands (L1-L3) linked with alkyl spacers of different chain length was synthesized and characterized, in order to investigate the coordination behavior of these diamine ligands with metal ions (Zn2+, etc.) based on fluorescence measurements. The results showed that, in the case of anthryldiamine ligands bearing two- or four-carbon links, the zinc ion induced a chelation-enhanced fluorescence (CHEF) effect in aqueous media, while a trace amount of water could selectively quench the blue emission of the Zn(II) complex with a three-carbon-linked ligand (1). Meanwhile, the introduction of more water (concentration >11 %) resulted in the formation of a new green luminescent species; the luminescence intensity was enhanced stepwise to a maximum with addition of approximately 30 % water in THF solution. The peak position (centered at approximately 500 nm) and the lifetime measurement (tau=19.59 ns) indicated that the green luminescence was attributable to a novel edge-to-face dimeric conformation ("T-shaped" conformation) of anthracene, and not to the more common face-to-face dimeric conformation. Accordingly, 1H NMR spectroscopic studies in nonaqueous or aqueous solution confirmed this T-shaped conformation, which is consistent with the results of single-crystal X-ray structure analysis and solid-state photoluminescence studies.
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Affiliation(s)
- Guoqi Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
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48
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Abstract
Supramolecular chemistry in water is a constantly growing research area because noncovalent interactions in aqueous media are important for obtaining a better understanding and control of the major processes in nature. This Review offers an overview of recent advances in the area of water-soluble synthetic receptors as well as self-assembly and molecular recognition in water, through consideration of the functionalities that are used to increase the water solubility, as well as the supramolecular interactions and approaches used for effective recognition of a guest and self-assembly in water. The special features and applications of supramolecular entities in aqueous media are also described.
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Affiliation(s)
- Gennady V Oshovsky
- Laboratory of Supramolecular Chemistry and Technology, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
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50
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Wongkongkatep J, Miyahara Y, Ojida A, Hamachi I. Label-free, real-time glycosyltransferase assay based on a fluorescent artificial chemosensor. Angew Chem Int Ed Engl 2007; 45:665-8. [PMID: 16365842 DOI: 10.1002/anie.200503107] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jirarut Wongkongkatep
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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