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Gong J, Zhang X. Coordination-based circularly polarized luminescence emitters: Design strategy and application in sensing. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214329] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Parker D, Fradgley JD, Wong KL. The design of responsive luminescent lanthanide probes and sensors. Chem Soc Rev 2021; 50:8193-8213. [PMID: 34075982 DOI: 10.1039/d1cs00310k] [Citation(s) in RCA: 110] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The principles of the design of responsive luminescent probes and sensors based on lanthanide emission are summarised, based on a mechanistic understanding of their mode of action. Competing kinetic pathways for deactivation of the excited states that occur are described, highlighting the need to consider each of the salient quenching processes. Such an analysis dictates the choice of both the ligand and its integral sensitising moiety for the particular application. The key aspects of quenching involving electron transfer and vibrational and electronic energy transfer are highlighted and exemplified. Responsive systems for pH, pM, pX and pO2 and selected biochemical analytes are distinguished, according to the nature of the optical signal observed. Signal changes include both simple and ratiometric intensity measurements, emission lifetime variations and the unique features associated with the observation of circularly polarised luminescence (CPL) for chiral systems. A classification of responsive lanthanide probes is introduced. Examples of the operation of probes for reactive oxygen species, citrate, bicarbonate, α1-AGP and pH are used to illustrate reversible and irreversible transformations of the ligand constitution, as well as the reversible changes to the metal primary and secondary coordination sphere that sensitively perturb the ligand field. Finally, systems that function by modulation of dynamic quenching of the ligand or metal excited states are described, including real time observation of endosomal acidification in living cells, rapid urate analysis in serum, accurate temperature assessment in confined compartments and high throughput screening of drug binding to G-protein coupled receptors.
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Affiliation(s)
- David Parker
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK.
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De Rosa C, Melchior A, Sanadar M, Tolazzi M, Duerkop A, Piccinelli F. Isoquinoline-based Eu(iii) luminescent probes for citrate sensing in complex matrix. Dalton Trans 2021; 50:4700-4712. [PMID: 33729252 DOI: 10.1039/d1dt00511a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A neutral Eu(iii) complex containing the S,S enantiomer of isoQC3A3- ligand (isoQC3A3- = N-isoquinolyl-N,N',N'-trans-l,2-cyclohexylenediaminetriacetate) was synthesized and characterized. The complex was spectroscopically investigated and the results compared with those obtained for the similar bis-anionic ligand bisoQcd2- (bisoQcd2- = N,N'-bis(2-isoquinolinmethyl)-trans-1,2-diaminocyclohexane N,N'-diacetate). Both Eu(iii)-complexes show similar binding constants upon titration with the main analytes contained in interstitial extracellular fluid (i.e. hydrogen carbonate, serum albumin and citrate). However, the analyte affinity is accompanied by different enhancements of the Eu(iii) intrinsic quantum yield (QY). Structures and hydration numbers of the complexes are determined by luminescence decay measurements and DFT calculations. The QYs as well as the binding constants of the individual adducts of the complexes with hydrogen carbonate, bovine serum albumin (BSA) and citrate are determined. The study of the Eu(iii) emission upon the systematic variation of one analyte in a complex mixture has been carried out to predict the performance of the luminescent sensor in conditions close to the real extracellular environment. Both Eu(iii) complexes can detect citrate at extracellular concentrations up to 500 μM, even at millimolar concentrations of the other interfering species. In the case of the Eu(bisoQcd)OTf complex, an increase of 23% of the Eu(iii) luminescence intensity at 615 nm upon addition of 0.3 mM of citrate was recorded. This feature makes the latter complex a viable probe for luminescence analysis of citrate in a complex matrix.
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Affiliation(s)
- Chiara De Rosa
- Luminescent Materials Laboratory, DB, Università di Verona, and INSTM, UdR Verona, Strada Le Grazie 15, 37134 Verona, Italy.
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Tan YB, Yamada M, Katao S, Nishikawa Y, Asanoma F, Yuasa J, Kawai T. Self-assembled Tetranuclear Eu III Complexes with D2- and C2h-Symmetrical Square Scaffold. Inorg Chem 2020; 59:12867-12875. [PMID: 32851845 DOI: 10.1021/acs.inorgchem.0c01933] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Three new tetranuclear europium(III) alternating circular helicates, (2-PhRRRR/2-PhSSSS) [(R)- or (S)-Ph-Pybox]4EuIII4(BPP)6, (2-iPrRRRR/2-iPrSSSS) [(R)- or (S)-iPr-Pybox]4EuIII4(BPP)6, and (3-PhRRRR/3-PhSSSS) [(R)- or (S)-Ph-Pybox]4EuIII4(BHP)6, are presented with their structural and chiroptical characterization (BPP and BHP = bis-β-diketonates; Pybox = chiral bis(oxazolinyl) pyridine ligand). X-ray crystallographic analysis revealed that different extents of interligand-contacting interactions between bis-β-diketonates and Pybox ligands produce different bis-β-diketonates arrangements around four EuIII ions and, thus, their specific symmetry in the final tetranuclear complexes. 2-PhRRRR/2-PhSSSS and 3-PhRRRR/3-PhSSSS are recognized as D2-symmetry, while 2-iPrRRRR/2-iPrSSSS self-assemblies possess pseudo C2h-symmetry. Due to different molecular symmetry, 2-PhRRRR/2-PhSSSS and 2-iPrRRRR/2-iPrSSSS crystals display different ligands orientation in their EuIII coordination spheres. The presence of pseudo σh-mirror symmetry in 2-iPrRRRR/2-iPrSSSS promotes a pair of distinguishable EuIII geometries. All the chiral self-assemblies exhibit almost identical photoluminescence emission spectra patterns of f-f transitions in the EuIII core. The EuIII self-assemblies exhibit intense CPL with different observed |glum| values (2-PhRRRR/2-PhSSSS ∼ |0.31|, 2-iPrRRRR/2-iPrSSSS ∼ |0.08|, 3-PhRRRR/3-PhSSSS ∼ |0.31| in chloroform).
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Affiliation(s)
- Yan Bing Tan
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Mihoko Yamada
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Shohei Katao
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yoshiko Nishikawa
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Fumio Asanoma
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Junpei Yuasa
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8061, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Tsuyoshi Kawai
- Graduate School of Science and Technology, Division of Materials Science, Nara Institute of Science and Technology, NAIST, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
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Wong HY, Lo WS, Yim KH, Law GL. Chirality and Chiroptics of Lanthanide Molecular and Supramolecular Assemblies. Chem 2019. [DOI: 10.1016/j.chempr.2019.08.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Piccinelli F, De Rosa C, Melchior A, Faura G, Tolazzi M, Bettinelli M. Eu(iii) and Tb(iii) complexes of 6-fold coordinating ligands showing high affinity for the hydrogen carbonate ion: a spectroscopic and thermodynamic study. Dalton Trans 2019; 48:1202-1216. [PMID: 30460363 DOI: 10.1039/c8dt03621g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In the present contribution, four classes of Ln(iii) complexes (Ln = Eu and Tb) have been synthesized and characterized in aqueous solution. They differ by charge, Ln(bpcd)+ [bpcd2- = N,N'-bis(2-pyridylmethyl)-trans-1,2-diaminocyclohexane N,N'-diacetate] and Ln(bQcd)+ (bQcd2- = N,N'-bis(2-quinolinmethyl)-trans-1,2-diaminocyclohexane N,N'-diacetate) being positively charged and Ln(PyC3A) (PyC3A3- = N-picolyl-N,N',N'-trans-l,2-cyclohexylenediaminetriacetate) and Ln(QC3A) (QC3A3- = N-quinolyl-N,N',N'-trans-l,2-cyclohexylenediaminetriacetate) being neutral. Combined DFT, spectrophotometric and potentiometric studies reveal the presence, under physiological conditions (pH 7.4), of a couple of equally and highly stable isomers differing by the stereochemistry of the ligands (trans-N,N and trans-O,O for bpcd2- and bQcd2-; trans-O,O and trans-N,O for PyC3A3- and QC3A3-). Their high log β values (9.97 < log β < 15.68), the presence of an efficient antenna effect and the strong increase of the Ln(iii) luminescence intensity as a function of the hydrogen carbonate concentration in physiological solution, render these complexes as very promising optical probes for a selective detection of HCO3-in cellulo or in extracellular fluid. This particularly applies to the cationic Eu(bpcd)+, Tb(bpcd)+ and Eu(bQcd)+ complexes, which are capable of guesting up to two hydrogen carbonate anions in the inner coordination sphere of the metal ion, so that they show an unprecedented affinity towards HCO3- (log K for the formation of the adduct in the 4.6-5.9 range).
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Affiliation(s)
- Fabio Piccinelli
- Laboratorio Materiali Luminescenti, DB, Università di Verona, and INSTM, UdR Verona, Strada Le Grazie 15, 37134 Verona, Italy.
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8
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Liu D, Zhou Y, Zhang Y, Li H, Chen P, Sun W, Gao T, Yan P. Chiral BINAPO-Controlled Diastereoselective Self-Assembly and Circularly Polarized Luminescence in Triple-Stranded Europium(III) Podates. Inorg Chem 2018; 57:8332-8337. [PMID: 29943980 DOI: 10.1021/acs.inorgchem.8b00986] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Chiral lanthanide helical architectures have received intense attentions in recent years because of their potential applications as chiral probes and sensors and as circularly polarized luminescence (CPL) materials. However, stereoselectivity control in the self-assembly of lanthanide helicate is challenging due to the poor stereochemical preference and variable coordination numbers of Ln(III) ions. Herein, we reported the employing chiral ancillary ligand R/S-BINAPO to induce achiral tripodal ligand to form a pair of homochiral lanthanide triple-helical podates [Eu(TTEA)((R/S)-BINAPO); R/S-1] {(R/S)-BINAPO = ( R/ S)-2,2'-bis(diphenylphosphoryl)-1,1'-binaphthyl; TTEA = tris[(4-(4,4,4-trifluoro-1,3-dioxobutyl)-benzamido)ethyl]amine}. X-ray crystallographic analysis for rac-1 reveals that the chirality of BINAPO is transferred during the self-assembly process to give either P or M helical architectures in podates. The 1H and 31P NMR and circular dichroism measurements confirm the diastereopurity of the assemblies in solution. A detailed optical and chiroptical characterization reveals that the luminescent enantiopure podates not only exhibit intense CPL with | glum| values reaching 0.072 but also show high luminescence quantum yields of 32.8%. Our results provide a feasible strategy for designing homochiral helical lanthanide supramolecular architecture and synthesizing excellent CPL materials.
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Affiliation(s)
- Dan Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Yanyan Zhou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Yuan Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Hongfeng Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Peng Chen
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Wenbin Sun
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Ting Gao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
| | - Pengfei Yan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science , Heilongjiang University , Harbin 150080 , P. R. China
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Batrice RJ, Ayscue RL, Adcock AK, Sullivan BR, Han SY, Piccoli PM, Bertke JA, Knope KE. Photoluminescence of Visible and NIR-Emitting Lanthanide-Doped Bismuth-Organic Materials. Chemistry 2018; 24:5630-5636. [PMID: 29359514 DOI: 10.1002/chem.201706143] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Indexed: 12/28/2022]
Abstract
A bismuth-organic compound containing 2,2':6'2"-terpyridine (terpy) and 2-thiophenecarboxylate (TC), of the general formula (terpy)Bi(κ2 -TC)3 ⋅0.47 H2 O (BiOM-1), has been synthesized under hydrothermal conditions. Addition of a lanthanide nitrate solution to the reaction mixture led to statistical replacement of the bismuth centers, and yielded isomorphous lanthanide containing compounds Bi1-x Lnx OM-1 (Ln=Nd, Sm, Eu, Tb, Dy, Er, and Yb) that showed bismuth and/or ligand sensitized lanthanide-centered emission, and the first example of NIR emission from a lanthanide doped BiOM. The structure was determined by single-crystal X-ray diffraction, and the level and uniformity of lanthanide ion incorporation into the bismuth host was determined by ICP-OES and electron microprobe analysis. For the visible emitters, lifetime data and quantum yields are presented. A high efficiency of sensitization was calculated for the europium analog (50.1 %), showing significant improvement over previously reported europium thiophenecarboxylates. These novel materials may provide strategies to address concerns over the long-term sustainability of the rare earth elements, especially relating to optical devices.
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Affiliation(s)
- Rami J Batrice
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - R Lee Ayscue
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - Alyssa K Adcock
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - Benjamin R Sullivan
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - Sae Young Han
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - Philip M Piccoli
- Department of Geology, University of Maryland, College Park, MD, 20742, USA
| | - Jeffery A Bertke
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
| | - Karah E Knope
- Department of Chemistry, Georgetown University, 37th and O Sts. NW, Washington, DC, 20057, USA
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Shuvaev S, Suturina EA, Mason K, Parker D. Chiral probes for α 1-AGP reporting by species-specific induced circularly polarised luminescence. Chem Sci 2018; 9:2996-3003. [PMID: 29732083 PMCID: PMC5915836 DOI: 10.1039/c8sc00482j] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 02/18/2018] [Indexed: 01/12/2023] Open
Abstract
Luminescence spectroscopy has been used to monitor the selective and reversible binding of pH sensitive, macrocyclic lanthanide complexes, [LnL1], to the serum protein α1-AGP, whose concentration can vary significantly in response to inflammatory processes.
Luminescence spectroscopy has been used to monitor the selective and reversible binding of pH sensitive, macrocyclic lanthanide complexes, [LnL1], to the serum protein α1-AGP, whose concentration can vary significantly in response to inflammatory processes. On binding α1-AGP, a very strong induced circularly-polarised europium luminescence signal was observed that was of opposite sign for human and bovine variants of α1-AGP – reflecting the differences in the chiral environment of their drug-binding pockets. A mixture of [EuL1] and [TbL1] complexes allowed the ratiometric monitoring of α1-AGP levels in serum. Moreover, competitive displacement of [EuL1] from the protein by certain prescription drugs could be monitored, allowing the determination of drug binding constants. Reversible binding of the sulphonamide arm as a function of pH, led to a change of the coordination environment around the lanthanide ion, from twisted square antiprism (TSAP) to a square antiprismatic geometry (SAP), signalled by emission spectral changes and verified by detailed computations and the fitting of NMR pseudocontact shift data in the sulphonamide bound TSAP structure for the Dy and Eu examples. Such analyses allowed a full definition of the magnetic susceptibility tensor for [DyL1].
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Affiliation(s)
- Sergey Shuvaev
- Department of Chemistry , Durham University , South Road , Durham , DH1 3LE , UK .
| | - Elizaveta A Suturina
- School of Chemistry , The University of Southampton , Highfield , Southampton SO17 1BJ , UK
| | - Kevin Mason
- Department of Chemistry , Durham University , South Road , Durham , DH1 3LE , UK .
| | - David Parker
- Department of Chemistry , Durham University , South Road , Durham , DH1 3LE , UK .
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Leonzio M, Melchior A, Faura G, Tolazzi M, Zinna F, Di Bari L, Piccinelli F. Strongly Circularly Polarized Emission from Water-Soluble Eu(III)- and Tb(III)-Based Complexes: A Structural and Spectroscopic Study. Inorg Chem 2017; 56:4413-4422. [PMID: 28388073 DOI: 10.1021/acs.inorgchem.7b00430] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Water-soluble Eu(III) and Tb(III) complexes with N,N'-bis(2-pyridylmethyl)-trans-1,2-diaminocyclohexane-N,N'-diacetic acid (H2bpcd) have been synthesized and characterized in their racemic and enantiopure forms. The ligand has been designed to bind Ln(III) ions, providing a dissymmetric environment able to solicit strong chiroptical features while at the same time leaving a few coordination sites available for engaging further ancillary ligands. Potentiometric studies show that Ln(III) complexes have a relatively good stability and that at pH 7 the [Ln(bpcd)]+ species is largely dominant. DFT calculations carried out on the (S,S)-[Y(bpcd)(H2O)5]+ complexes (the closed-shell equivalents of [Eu(bpcd)(H2O)5]+ and [Tb(bpcd)(H2O)5]+) indicate that the two trans-O,O and trans-Npy,Npy configurations are equally stable in solution and present two coordinated water molecules. This is in agreement with the hydration number ∼2.6 determined by luminescence lifetime measurements on Tb(III) and Eu(III) complexes. A detailed optical and chiroptical spectroscopic characterization has been carried out and reveals that the complexes display an efficient luminescence in the visible spectral range accompanied by a strong CPL activity. A value for glum (around 0.1 on the top of the 546 nm band) for the Tb-based complex has been found. This is one of the highest glum values measured up to now for chiral Tb complexes. These results suggest that in principle Tb(bpcd)Cl is suitable to be employed as a CPL bioprobe for relevant analytes in aqueous media.
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Affiliation(s)
- Marco Leonzio
- Luminescent Materials Laboratory, DB, Università di Verona, and INSTM, UdR Verona , Strada Le Grazie 15, 37134 Verona, Italy
| | - Andrea Melchior
- Dipartimento Politecnico di Ingegneria e Architettura, Laboratorio di Tecnologie Chimiche, Università di Udine , via Cotonificio 108, 33100 Udine, Italy
| | - Georgina Faura
- Dipartimento Politecnico di Ingegneria e Architettura, Laboratorio di Tecnologie Chimiche, Università di Udine , via Cotonificio 108, 33100 Udine, Italy
| | - Marilena Tolazzi
- Dipartimento Politecnico di Ingegneria e Architettura, Laboratorio di Tecnologie Chimiche, Università di Udine , via Cotonificio 108, 33100 Udine, Italy
| | - Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa , via Moruzzi 13, 56124 Pisa, Italy
| | - Lorenzo Di Bari
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa , via Moruzzi 13, 56124 Pisa, Italy
| | - Fabio Piccinelli
- Luminescent Materials Laboratory, DB, Università di Verona, and INSTM, UdR Verona , Strada Le Grazie 15, 37134 Verona, Italy
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Jennings L, Waters RS, Pal R, Parker D. Induced Europium Circularly Polarized Luminescence Monitors Reversible Drug Binding to Native α1-Acid Glycoprotein. ChemMedChem 2017; 12:271-277. [DOI: 10.1002/cmdc.201600571] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/15/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Laura Jennings
- Department of Chemistry; Durham University; South Road Durham DH1 3LE UK
| | - Ryan S. Waters
- Department of Chemistry; Durham University; South Road Durham DH1 3LE UK
| | - Robert Pal
- Department of Chemistry; Durham University; South Road Durham DH1 3LE UK
| | - David Parker
- Department of Chemistry; Durham University; South Road Durham DH1 3LE UK
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13
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Dai L, Lo WS, Coates ID, Pal R, Law GL. New Class of Bright and Highly Stable Chiral Cyclen Europium Complexes for Circularly Polarized Luminescence Applications. Inorg Chem 2016; 55:9065-70. [PMID: 27537354 DOI: 10.1021/acs.inorgchem.6b01546] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Lixiong Dai
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China
| | - Wai-Sum Lo
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Ian D. Coates
- Department of Chemistry, Durham University, South Road, Durham DH1 3LE, U.K
| | - Robert Pal
- Department of Chemistry, Durham University, South Road, Durham DH1 3LE, U.K
| | - Ga-Lai Law
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
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Berardozzi R, Pescitelli G, Di Pietro S, Resta C, Ballistreri FP, Pappalardo A, Tomaselli GA, Di Bari L. Synthesis, Structural Characterization, and Chiroptical Studies of Bidentate Salen-Type Lanthanide (III) Complexes. Chirality 2015; 27:857-63. [DOI: 10.1002/chir.22499] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 07/19/2015] [Accepted: 07/20/2015] [Indexed: 12/18/2022]
Affiliation(s)
| | | | - Sebastiano Di Pietro
- Dipartimento di Chimica; Università di Pisa; Pisa Italy
- École Noramle Supérieure de Lyon; Lyon France
| | - Claudio Resta
- Dipartimento di Chimica; Università di Pisa; Pisa Italy
- CSGI-Dipartimento di Chimica “Ugo Schiff”; Università di Firenze; Sesto Fiorentino (FI) Italy
| | | | - Andrea Pappalardo
- Dipartimento di Scienze Chimiche; Università di Catania; Catania Italy
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Yuasa J, Mukai R, Hasegawa Y, Kawai T. Ratiometric luminescence thermometry based on crystal-field alternation at the extremely narrow ⁵D₀ → ⁷F₂ transition band of europium(III). Chem Commun (Camb) 2015; 50:7937-40. [PMID: 24686443 DOI: 10.1039/c4cc00704b] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dinuclear europium(III) complex with a structure of [BP-(Eu(III))2-(ODA)3] (BP = 2,2'-bipyridine-6,6'-dicarboxylic acid bis(N-hydroxy-succinimide) ester, ODA = diglycolic acid) shows a fully reversible emission spectral change at the extremely narrow (5)D0 → (7)F2 transition band in response to temperature changes ranging from 283 K to 333 K.
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Affiliation(s)
- Junpei Yuasa
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
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Neil ER, Fox MA, Pal R, Pålsson LO, O'Sullivan BA, Parker D. Chiral probe development for circularly polarised luminescence: comparative study of structural factors determining the degree of induced CPL with four heptacoordinate europium(iii) complexes. Dalton Trans 2015. [DOI: 10.1039/c5dt02358k] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Induced CPL signatures arising from the reversible binding of chiral carboxylates allow their absolute configuration and enantiomeric purity to be assessed.
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Affiliation(s)
| | - Mark A. Fox
- Department of Chemistry
- Durham University
- Durham
- UK
| | - Robert Pal
- Department of Chemistry
- Durham University
- Durham
- UK
| | | | | | - David Parker
- Department of Chemistry
- Durham University
- Durham
- UK
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Guanci C, Giovenzana G, Lattuada L, Platas-Iglesias C, Charbonnière LJ. AMPED: a new platform for picolinate based luminescent lanthanide chelates. Dalton Trans 2015; 44:7654-61. [DOI: 10.1039/c5dt00077g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anchoring three picolinate units on a AMPED scaffold affords a strongly pre-organized ligand for the formation of luminescent lanthanide complexes.
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Affiliation(s)
- Claudia Guanci
- Dipartimento di Scienze del Farmaco
- Università del Piemonte Orientale “A. Avogadro”
- 28100 Novara
- Italy
| | - Giovanni Giovenzana
- Dipartimento di Scienze del Farmaco
- Università del Piemonte Orientale “A. Avogadro”
- 28100 Novara
- Italy
| | - Luciano Lattuada
- Bracco Imaging spa
- Bracco Research Centre
- 10010 Colleretto Giacosa
- Italy
| | | | - Loïc J. Charbonnière
- Laboratoire d'Ingénierie Moléculaire Appliquée à l'Analyse
- Institut Pluridisciplinaire Hubert Curien (IPHC
- UMR 7178
- CNRS/Université de Strasbourg)
- ECPM
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18
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Butler SJ, Delbianco M, Lamarque L, McMahon BK, Neil ER, Pal R, Parker D, Walton JW, Zwier JM. EuroTracker® dyes: design, synthesis, structure and photophysical properties of very bright europium complexes and their use in bioassays and cellular optical imaging. Dalton Trans 2015; 44:4791-803. [DOI: 10.1039/c4dt02785j] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The creation of the most emissive series of europium complexes is traced and examples given of their use in imaging.
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Affiliation(s)
| | | | | | | | - Emily R. Neil
- Department of Chemistry
- Durham University
- Durham DH1 3LE
- UK
| | - Robert Pal
- Department of Chemistry
- Durham University
- Durham DH1 3LE
- UK
| | - David Parker
- Department of Chemistry
- Durham University
- Durham DH1 3LE
- UK
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19
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Zinna F, Di Bari L. Lanthanide Circularly Polarized Luminescence: Bases and Applications. Chirality 2014; 27:1-13. [DOI: 10.1002/chir.22382] [Citation(s) in RCA: 351] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Accepted: 08/04/2014] [Indexed: 12/21/2022]
Affiliation(s)
- Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Pisa Italy
| | - Lorenzo Di Bari
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Pisa Italy
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20
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Yuasa J, Ueno H, Kawai T. Sign Reversal of a Large Circularly Polarized Luminescence Signal by the Twisting Motion of a Bidentate Ligand. Chemistry 2014; 20:8621-7. [DOI: 10.1002/chem.201402268] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Indexed: 12/22/2022]
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21
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Okutani K, Nozaki K, Iwamura M. Specific chiral sensing of amino acids using induced circularly polarized luminescence of bis(diimine)dicarboxylic acid europium(III) complexes. Inorg Chem 2014; 53:5527-37. [PMID: 24819655 DOI: 10.1021/ic500196m] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The circularly polarized luminescence (CPL) from [Eu(pda)2](-) (pda = 1,10-phenanthroline-2,9-dicarboxylic acid) and [Eu(bda)2](-) (bda = 2,2'-bipyridine-6,6'-dicarboxylic acid) in aqueous solutions containing various amino acids was investigated. The europium(III) complexes exhibited bright-red luminescence assignable to the f-f transition of the Eu(III) ion when irradiated with UV light. Although the luminescence was not circularly polarized in the solid state or in aqueous solutions, in accordance with the achiral crystal structure, the complexes exhibited detectable induced CPL (iCPL) in aqueous solutions containing chiral amino acids. In the presence of L-pyrrolidonecarboxylic acid, both [Eu(pda)2](-) and [Eu(bda)2](-) showed similar iCPL intensity (glum ∼ 0.03 for the (5)D0 → (7)F1 transition at 1 mol·dm(-3) of the amino acid). On the other hand, in the presence of L-histidine or L-arginine, [Eu(pda)2](-) exhibited intense CPL (glum ∼ 0.08 for the (5)D0 → (7)F1 transition at 0.10 mol·dm(-3) of the amino acid), whereas quite weak CPL was observed for [Eu(bda)2](-) under the same conditions (glum < 0.01). On the basis of analysis of the iCPL intensities in the presence of 12 amino acids, [Eu(pda)2](-) was found to be a good chiral CPL probe with high sensitivity (about 10(-2) mol·dm(-3)) and high selectivity for L-histidine at pH 3 and for L-arginine at pH 7. The mechanism of iCPL was evaluated by analysis of the fine structures in the luminescence spectra and the amino acid concentration dependence of glum. For the [Eu(pda)2](-)-histidine/arginine systems, the europium(III) complexes possess coordination structures similar to that in the crystal with slight distortion to form a chiral structure due to specific interaction with two zwitterionic amino acids. This mechanism was in stark contrast to that of the europium(III) complex-pyrrolidonecarboxylic acid system in which one amino acid coordinates to the Eu(III) ion to yield an achiral coordination structure.
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Affiliation(s)
- Kazuhiro Okutani
- Graduate School of Science and Engineering, University of Toyama , 3190 Gofuku, Toyama 930-8555, Japan
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22
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Affiliation(s)
- Marie C. Heffern
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Northwestern University, Evanston, Illinois 60208-3113
| | - Lauren M. Matosziuk
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Northwestern University, Evanston, Illinois 60208-3113
| | - Thomas J. Meade
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Northwestern University, Evanston, Illinois 60208-3113
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23
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Miyake H, Terada K, Tsukube H. Lanthanide Tris(β-diketonates) as Useful Probes for Chirality Determination of Biological Amino Alcohols in Vibrational Circular Dichroism: Ligand to Ligand Chirality Transfer in Lanthanide Coordination Sphere. Chirality 2014; 26:293-9. [DOI: 10.1002/chir.22319] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Revised: 02/07/2014] [Accepted: 02/11/2014] [Indexed: 01/21/2023]
Affiliation(s)
- Hiroyuki Miyake
- Department of Chemistry, Graduate School of Science; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka Japan
| | - Keiko Terada
- Department of Chemistry, Graduate School of Science; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka Japan
| | - Hiroshi Tsukube
- Department of Chemistry, Graduate School of Science; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka Japan
- JST, CREST; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka Japan
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24
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Carr R, Puckrin R, McMahon BK, Pal R, Parker D, Pålsson LO. Induced circularly polarized luminescence arising from anion or protein binding to racemic emissive lanthanide complexes. Methods Appl Fluoresc 2014; 2:024007. [DOI: 10.1088/2050-6120/2/2/024007] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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25
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Sannasy D, Marques HM, Fernandes MA, de Sousa AS. Outer-sphere anion recognition by a cyclen-based octadentate europium(iii) complex: pH dependent recognition of ortho-phthalic acid. Chem Commun (Camb) 2014; 50:1582-4. [DOI: 10.1039/c3cc48628a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Lehr J, Beer PD, Faulkner S, Davis JJ. Exploiting lanthanide luminescence in supramolecular assemblies. Chem Commun (Camb) 2014; 50:5678-87. [DOI: 10.1039/c4cc01138d] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
We review herein significant and recent work focused on the incorporation of luminescent lanthanides into switchable, supramolecular and surface bound assemblies.
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Affiliation(s)
- Joshua Lehr
- Department of Chemistry
- University of Oxford
- Oxford OX1 3TA, UK
| | - Paul D. Beer
- Department of Chemistry
- University of Oxford
- Oxford OX1 3TA, UK
| | | | - Jason J. Davis
- Department of Chemistry
- University of Oxford
- Oxford OX1 3TA, UK
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27
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Butler SJ, McMahon BK, Pal R, Parker D, Walton JW. Bright mono-aqua europium complexes based on triazacyclononane that bind anions reversibly and permeate cells efficiently. Chemistry 2013; 19:9511-7. [PMID: 23744790 DOI: 10.1002/chem.201301273] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Indexed: 01/02/2023]
Abstract
A series of five europium(III) complexes has been prepared from heptadentate N5O2 ligands that possess a brightness of more than 10 mM(-1) cm(-1) in water, following excitation over the range λ=330-355 nm. Binding of several oxy anions has been assessed by emission spectral titrimetric analysis, with the binding of simple carboxylates, lactate and citrate involving a common ligation mode following displacement of the coordinated water. Selectivity for bicarbonate allows the rapid determination of this anion in human serum, with K(d)=37 mM (295 K). The complexes are internalised quickly into mammalian cells and exhibit a mitochondrial localisation at early time points, migrating after a few hours to reveal a predominant lysosomal distribution. Herein, we report the synthesis and complexation behaviour of strongly emissive europium (III) complexes that bind oxy-anions in aqueous media with an affinity and selectivity profile that is distinctively different from previously studied systems.
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Affiliation(s)
- Stephen J Butler
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK
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28
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Butler SJ, Parker D. Anion binding in water at lanthanide centres: from structure and selectivity to signalling and sensing. Chem Soc Rev 2013; 42:1652-66. [DOI: 10.1039/c2cs35144g] [Citation(s) in RCA: 269] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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29
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Carr R, Evans NH, Parker D. Lanthanide complexes as chiral probes exploiting circularly polarized luminescence. Chem Soc Rev 2012; 41:7673-86. [DOI: 10.1039/c2cs35242g] [Citation(s) in RCA: 516] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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