Dalton Transactions

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Dispersion of titanate nanotubes for nanomedicine: comparison of PEI and PEG nanohybrids

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02552K, PaperAnne-Laure Papa, Julien Boudon, Vanessa Bellat, Alexis Loiseau, Harender Bisht, Fadoua Sallem, Remi Chassagnon, Veronique Berard, Nadine Millot
Titanate nanotubes represent a carrier of interest for drug, imaging agent or DNA delivery because of their (i) morphology, (ii) high specific surface area and (iii) tuneable surface, functionalized by PEG or PEI herein.
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Self-assembled synthesis of hierarchical Zn2GeO4 core-shell microspheres with enhanced photocatalytic activity

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02803A, CommunicationWeiwei Zhao, Chao Zhang, Yanmei Shi, Rui Wu, Bin Zhang
Hierarchical Zn2GeO4 core-shell microspheres exhibit enhanced photocatalytic activity and stability towards photocatalytic degradation of organic pollutants.
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Synthesis and magnetic properties of tartrate-bridging rare-earth-containing polytungstoarsenate aggregates from an adaptive precursor [As2W19O67(H2O)]14-

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT01703J, PaperYuan Wang, Xiaopeng Sun, Suzhi Li, Pengtao Ma, Jingping Wang, Jingyang Niu
Six S-shaped tartrate-bridging rare-earth-substituted polytungstoarsenates [RE2(C4H4O6)(C4H2O6)(As W9O33)]218- (HoIII (1), ErIII (2), TmIII (3), YbIII (4), LuIII (5), YIII (6)) were synthesized under conventional solution conditions.
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FIrpic: archetypal blue phosphorescent emitter for electroluminescence

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02991G, PerspectiveEtienne Baranoff, Basile F. E. Curchod
FIrpic is the most investigated bis-cyclometallated iridium complex. This Perspective reviews the main experimental and theoretical aspects of FIrpic as well as its use as sky-blue emitter for OLED.
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Synthesis and investigation of cobalt chalcogenide clusters with thienyl phosphine ligands as new acceptor materials for P3HT

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02570A, PaperB. J. Reeves, D. M. Shircliff, J. L. Shott, B. M. Boardman
In progress towards a covalently linked organic-inorganic structure, cobalt chalcogenide clusters were synthesized with thienyl phosphines ligands. Results indicate the clusters have potential as new acceptor materials for P3HT.
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Remarkable LnIII3FeIII2 clusters with magnetocaloric effect and slow magnetic relaxation

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02871F, CommunicationHan Li, Wei Shi, Zheng Niu, Jing-Min Zhou, Gang Xiong, Lei-Lei Li, Peng Cheng
Two 3d-4f clusters were reported: Gd3Fe2 possesses significant magnetic entropy change and slow magnetic relaxation is observed in Dy3Fe2.
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Tetragonal Cu2Se nanoflakes: synthesis using selenated propylamine as Se source and activation of Suzuki and Sonogashira cross coupling reactions

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03320E, PaperVed Vati Singh, Ajai Kumar Singh
Cu2Se nanoflakes synthesized for the first time by treating CuCl2 with H2N-(CH2)3-SePh are promising as catalyst for Suzuki and Sonogashira coupling.
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The induction of lysis in lysogenic strains of Escherichia coli by a new antitumor transplatin derivative and its DNA interactions

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02603A, PaperViktor Brabec, Jitka Pracharova, Olga Novakova, Dan Gibson, Jana Kasparkova
DNA is the cellular target for antitumor derivatives of transplatin including those containing small aliphatic amino ligands.
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Binding of Ru(terpyridine)(pyridine)dipyridophenazine to DNA studied with polarized spectroscopy and calorimetry

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02642J, PaperAnna K. F. Martensson, Per Lincoln
Achiral Ru(tpy)(py)dppz2+ intercalated into DNA has similar intermolecular interactions as opposite enantiomers of its structural isomer, the "light-switch" complex Ru(bpy)2dppz2+.
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Pyridyl-1,2,4-triazole diphenyl boron complexes as efficient tuneable blue emitters

18 November, 2014 - 02:54

Dalton Trans., 2014, 43,17740-17745
DOI: 10.1039/C4DT01393J, PaperPeter Dijkstra, Davide Angelone, Elena Talnishnikh, Heinrich J. Wortche, Edwin Otten, Wesley R. Browne
1,2,4-Triazole based boron complexes are readily tunable blue emitters.
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Photophysical properties of trans-platinum acetylide complexes featuring N-heterocyclic carbene ligands

18 November, 2014 - 02:54

Dalton Trans., 2014, 43,17712-17720
DOI: 10.1039/C4DT01520G, PaperRussell W. Winkel, Galyna G. Dubinina, Khalil A. Abboud, Kirk S. Schanze
Platinum acetylide complexes featuring NHC-carbene ligands show enhanced photophysical properties relative to complexes with phosphine ligands.
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Electronic excited states of chromium and vanadium bisarene complexes revisited: interpretation of the absorption spectra on the basis of TD DFT calculations

18 November, 2014 - 02:54

Dalton Trans., 2014, 43,17703-17711
DOI: 10.1039/C4DT01481B, PaperSergey Ketkov, Nikolai Isachenkov, Elena Rychagova, Wen-Bih Tzeng
The influence of the ([small eta]6-arene)2M (M = Cr, V, Cr+) composition on parameters of intravalency and Rydberg transitions is explained on the basis of time-dependent DFT.
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Excited state potential energy surfaces and their interactions in FeIV[double bond, length as m-dash]O active sites

18 November, 2014 - 02:54

Dalton Trans., 2014, 43,17567-17577
DOI: 10.1039/C4DT01366B, PerspectiveMartin Srnec, Shaun D. Wong, Edward I. Solomon
Excited states and their interactions in low-spin and high-spin non-heme ferryl active sites are probed by low-temperature magnetic circular dichroism spectroscopy providing mechanistic insight into enzymatic functions.
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Quinoline-2-carboimine copper complex immobilized on amine functionalized silica coated magnetite nanoparticles: A novel and magnetically retrievable catalyst for the synthesis of carbamates via C-H activation of formamides

18 November, 2014 - 02:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT03236E, PaperR. K. Sharma, Sriparna Dutta, Shivani Sharma
In the present study, we report the synthesis of a highly efficient and magnetically retrievable catalytic system (Cu-2QC@Am-SiO2@Fe3O4) through the covalent immobilization of quinoline-2-carboxaldehyde (2QC) on amine functionalized silica coated...
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Coordination polymers of uranium (IV) terephthalates

18 November, 2014 - 02:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02343A, PaperClement Falaise, ayalew assen, ionut mihalcea, Christophe Volkringer, adel mesbah, Nicolas Dacheux, Thierry Loiseau
A series of tetravalent uranium terephthalates has been solvothermally synthesized in N,N-dimethylformamide solvent (DMF) at temperature 100-150[degree]C with different water amounts. Composition diagrams have been determined for U4+ metallic cation...
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Spectroscopic study on uranyl carboxylate complexes formed at the surface layer of Sulfolobus acidocaldarius

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02555E, PaperThomas Reitz, Andre Rossberg, Astrid Barkleit, Robin Steudtner, Sonja Selenska-Pobell, Mohamed L. Merroun
The complexation of U(VI) at the proteinaceous surface layer (S-layer) of the archaeal strain Sulfolobus acidocaldarius was investigated at the molecular scale using TRLFS and EXAFS spectroscopy.
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Multiple relaxation mechanisms in Erbium SIMs

18 November, 2014 - 02:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02767A, PaperManuela Ramos Silva, Pablo Martin-Ramos, Joana Teixeira Coutinho, Laura C J Pereira, Victor Lavin-della-Ventura, Inocencio Rafael Martin-Benenzuela, Pedro Silva, Jesus Martin-Gil
The magnetic properties of two similar Er3+ complexes have been investigated. [Er(tpm)3(bipy)] displays thermally activated slow relaxation of the magnetisation under zero direct-current (DC) field. Under an applied HDC field...
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Improved reaction conditions for the synthesis of new NKP-1339 derivatives and preliminary investigations on their anticancer potential

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT01645A, PaperP.-S. Kuhn, V. Pichler, A. Roller, M. Hejl, M. A. Jakupec, W. Kandioller, B. K. Keppler
NKP-1339 and KP1019 derivatives were synthesized under mild reaction settings in high yields. The characterization and influence of the N-alkyl substitution on the aqueous stability, redox potentials, in vitro cytotoxicity and cellular accumulation are discussed.
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A monomeric [Zr(CO3)4]4- complex in an ammonium zirconium carbonate aqueous solution studied by extended X-ray absorption fine structure, Raman and nuclear magnetic resonance spectroscopy

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02022G, PaperFumiyuki Takasaki, Kazuhiko Fujiwara, Yasushi Nakajima, Taku Nishikawa, Hyuma Masu, Mamoru Imanari, Yuki Hidaka, Nobuaki Ogawa
A monomeric complex, [Zr(CO3)4]4-, is able to exist under certain conditions.
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Cyclic trinuclear copper(I), silver(I), and gold(I) complexes: a theoretical insight

18 November, 2014 - 02:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02514H, PaperGiovanni F. Caramori, Rafael M. Piccoli, Maximiliano Segala, Alvaro Munoz-Castro, Raul Guajardo-Maturana, Diego M. Andrada, Gernot Frenking
Analysis of the bonding and magnetic response in ligand supported coinage metal macrocycles.
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