Dalton Transactions

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Towards understanding the design of dual-modal MR/fluorescent probes to sense zinc ions

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4976-4985
DOI: 10.1039/C4DT02981J, PaperCharlotte Rivas, Graeme J. Stasiuk, Myra Sae-Heng, Nicholas J. Long
A series of new gadolinium complexes have been synthesised to test the design of dual-modal probes that can display a change in fluorescence or relaxivity response upon zinc binding. By an iterative change in parameters of the probes, the compounds give insight into the design protocols required for successful imaging of zinc ions.
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99mTc SPECT imaging agent based on cFLFLFK for the detection of FPR1 in inflammation

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4986-4993
DOI: 10.1039/C4DT02980A, PaperGraeme J. Stasiuk, Paul M. Holloway, Charlotte Rivas, William Trigg, Sajinder Kaur Luthra, Veronique Morisson Iveson, Felicity N. E. Gavins, Nicholas J. Long
The FPR1 antagonist cFLFLFK is conjugated to a tetraglycine chelate, and radiolabelled with 99mTc. In vitro binding assays demonstrate that the compound, 99mTc.cFLFLFK, is a useful tool for non-invasive imaging of leukocyte recruitment.
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Technetium-99m and rhenium-188 complexes with one and two pendant bisphosphonate groups for imaging arterial calcification

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4963-4975
DOI: 10.1039/C4DT02965H, PaperJayanta Kumar Bordoloi, David Berry, Irfan Ullah Khan, Kavitha Sunassee, Rafael Torres Martin de Rosales, Catherine Shanahan, Philip J. Blower
The synthesis of the first technetium-99m and rhenium-188 complexes with two pendant bisphosphonate groups is described, along with their in vivo use in imaging the skeleton and arterial calcification.
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Confocal and fluorescence lifetime imaging sheds light on the fate of a pyrene-tagged carbon monoxide-releasing Fischer carbene chromium complex

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4957-4962
DOI: 10.1039/C4DT03312D, PaperRory L. Arrowsmith, Anthony J. Atkin, Stanley W. Botchway, Ian J. S. Fairlamb, Jason M. Lynam, James W. B. Moir, Sofia I. Pascu, Jonathan S. Ward, Wei-Qiang Zhang
The synthesis of a new pyrene-containing Fischer carbene complex is described.
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Phosphorescent biscyclometallated iridium(III) ethylenediamine complexes functionalised with polar ester or carboxylate groups as bioimaging and visualisation reagents

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4945-4956
DOI: 10.1039/C4DT02890B, PaperTommy Siu-Ming Tang, Kam-Keung Leung, Man-Wai Louie, Hua-Wei Liu, Shuk Han Cheng, Kenneth Kam-Wing Lo
Four new phosphorescent biscyclometallated iridium(III) ethylenediamine complexes were designed as bioimaging and visualization reagents.
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Rhenium and technetium complexes that bind to amyloid-[small beta] plaques

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4933-4944
DOI: 10.1039/C4DT02969K, PaperDavid J. Hayne, Andrea J. North, Michelle Fodero-Tavoletti, Jonathan M. White, Lin W. Hung, Angela Rigopoulos, Catriona A. McLean, Paul A. Adlard, Uwe Ackermann, Henri Tochon-Danguy, Victor L. Villemagne, Kevin J. Barnham, Paul S. Donnelly
[M(CO)3]+ (M = Tc/Re) complexes with tridentate ligands with a stilbene functional group bind to amyloid-[small beta] plaques associated with Alzheimer's Disease.
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Towards the elaboration of new gold-based optical theranostics

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4874-4883
DOI: 10.1039/C4DT02977A, PaperPierre-Emmanuel Doulain, Richard Decreau, Cindy Racoeur, Victor Goncalves, Laurence Dubrez, Ali Bettaieb, Pierre Le Gendre, Franck Denat, Catherine Paul, Christine Goze, Ewen Bodio
Four new red BODIPY-gold(I) theranostic compounds were synthesized.
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PET/PDT theranostics: synthesis and biological evaluation of a peptide-targeted gallium porphyrin

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4925-4932
DOI: 10.1039/C4DT02949F, PaperFrancesca Bryden, Huguette Savoie, Elena V. Rosca, Ross W. Boyle
In pursuit of the goal of a molecular theranostic suitable for use as a PET radiotracer and a photosensitiser for PDT, a novel 68Ga radiolabelled peptide-porphyrin conjugate targeting the [small alpha]6[small beta]1-integrin has been developed.
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Radiometals: towards a new success story in nuclear imaging?

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4845-4858
DOI: 10.1039/C4DT02911A, PerspectiveDavid Brasse, Aline Nonat
The use of radiometal isotopes in positron emission tomography: a new success story in nuclear imaging?
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A contribution to the rational design of Ru(CO)3Cl2L complexes for in vivo delivery of CO

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,5058-5075
DOI: 10.1039/C4DT02966F, PaperJoao D. Seixas, Marino F. A. Santos, Abhik Mukhopadhyay, Ana C. Coelho, Patricia M. Reis, Luis F. Veiros, Ana R. Marques, Nuno Penacho, Ana M. L. Goncalves, Maria J. Romao, Goncalo J. L. Bernardes, Teresa Santos-Silva, Carlos C. Romao
Water-gas shift chemistry modulates aqueous stability and protein interactions of Ru(CO)3Cl2L CORMs.
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Two-photon multiplexing bio-imaging using a combination of Eu- and Tb-bioprobes

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4918-4924
DOI: 10.1039/C4DT03115F, PaperVirginie Placide, Anh Thy Bui, Alexei Grichine, Alain Duperray, Delphine Pitrat, Chantal Andraud, Olivier Maury
Two europium and terbium luminescent bio-probes whose luminescence can be sensitized by a two-photon sensitisation process have been designed and the proof-of-concept of biphotonic multiplexing experiment is described.
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Optimizing the high-field relaxivity by self-assembling of macrocyclic Gd(III) complexes

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4910-4917
DOI: 10.1039/C4DT02971B, PaperDale Lawson, Alessandro Barge, Enzo Terreno, David Parker, Silvio Aime, Mauro Botta
The self-assembling of two macrocyclic Gd-chelates results in a small-sized dimeric system characterized by a remarkably high relaxivity, r1.
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A nuclear chocolate box: the periodic table of nuclear medicine

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4819-4844
DOI: 10.1039/C4DT02846E, PerspectivePhilip J. Blower
A survey of the current status and challenges for the use of radionuclides of the elements in nuclear medicine.
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MR imaging probes: design and applications

9 March, 2015 - 08:54

Dalton Trans., 2015, 44,4804-4818
DOI: 10.1039/C4DT02958E, PerspectiveEszter Boros, Eric M. Gale, Peter Caravan
This perspective outlines strategies towards the development of MR imaging probes that our lab has explored.
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Tripodal tris(hydroxypyridinone) ligands for immunoconjugate PET imaging with 89Zr4+: comparison with desferrioxamine-B

5 March, 2015 - 07:54

Dalton Trans., 2015, 44,4884-4900
DOI: 10.1039/C4DT02978J, PaperMichelle T. Ma, Levente K. Meszaros, Brett M. Paterson, David J. Berry, Maggie S. Cooper, Yongmin Ma, Robert C. Hider, Philip J. Blower
A tris(hydroxypyridinone) chelator coordinates the PET imaging isotope, 89Zr4+, rapidly and quantitatively under ambient conditions, but a 89Zr-labelled tris(hydroxypyridinone)-immunoconjugate is not stable to in vivo demetallation.
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Bifunctional 64Cu-labelled macrobicyclic cage amine isothiocyanates for immuno-positron emission tomography

5 March, 2015 - 07:54

Dalton Trans., 2015, 44,4901-4909
DOI: 10.1039/C4DT02983F, PaperBrett M. Paterson, Gojko Buncic, Lachlan E. McInnes, Peter Roselt, Carleen Cullinane, David S. Binns, Charmaine M. Jeffery, Roger I. Price, Rodney J. Hicks, Paul S. Donnelly
Sarcophagine ligands with isothiocyanate functional groups were conjugated to trastuzumab, radiolabelled with 64Cu and used to image HER2-positive tumours using PET.
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EuroTracker[registered sign] dyes: design, synthesis, structure and photophysical properties of very bright europium complexes and their use in bioassays and cellular optical imaging

5 March, 2015 - 07:54

Dalton Trans., 2015, 44,4791-4803
DOI: 10.1039/C4DT02785J, PerspectiveStephen J. Butler, Martina Delbianco, Laurent Lamarque, Brian K. McMahon, Emily R. Neil, Robert Pal, David Parker, James W. Walton, Jurriaan M. Zwier
The creation of the most emissive series of europium complexes is traced and examples given of their use in imaging.
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Iron catalysed Negishi cross-coupling using simple ethyl-monophosphines

5 March, 2015 - 07:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00112A, PaperCaleb A. Brown, Terence A. Nile, Mary F. Mahon, Ruth L. Webster
Reported is a rare example of the use of monophosphines in iron catalysed Negishi cross-coupling. Substrate scope in terms of alkyl bromide and diaryl zinc reagent is explored.
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In search for new bonding modes of the methylenedithiolato ligand: novel tri- and tetra-metallic clusters

5 March, 2015 - 07:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00179J, PaperR. S. Anju, Koushik Saha, Bijan Mondal, Thierry Roisnel, Jean-Francois Halet, Sundargopal Ghosh
Photolysis of arachno-[(Cp*Ru)2(B3H8)(CS2H)] in the presence of [Re2(CO)10] produced [(Cp*Ru)2B3H5(CH2S2){Re(CO)4}2], with a planar 8-membered ring containing heavier transition metals and a main group element.
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Mono-, di- and tetra-zinc complexes derived from an amino-benzotriazole phenolate ligand containing a bulkier N-alkyl pendant arm: synthesis, structure and catalysis for ring-opening polymerization of cyclic esters

5 March, 2015 - 07:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02906B, PaperJun-Han Wang, Chen-Yen Tsai, Jing-Kai Su, Bor-Hunn Huang, Chu-Chieh Lin, Bao-Tsan Ko
Tetranuclear alkoxide 3 with a saddle-shaped Zn4O4 conformation was an active initiator for living ROP of [varepsilon]-caprolactone and [small beta]-butyrolactone.
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