Feed aggregator

Pathogenic properties of Alzheimer's [small beta]-amyloid identified from structure-property patient-phenotype correlations

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2747-2754
DOI: 10.1039/C4DT03122A, PaperManish K. Tiwari, Kasper P. Kepp
Direct correlation of Alzheimer patient data to a spectrum of NMR structures and chemical properties of beta amyloid (A[small beta]) variants allows identification of conformation-dependent disease properties.
The content of this RSS Feed (c) The Royal Society of Chemistry

Coordination polymers of uranium(IV) terephthalates

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2639-2649
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 the solvent N,N-dimethylformamide (DMF) at temperature 100-150 [degree]C with different water amounts.
The content of this RSS Feed (c) The Royal Society of Chemistry

A real-time fluorescent sensor specific to Mg2+: crystallographic evidence, DFT calculation and its use for quantitative determination of magnesium in drinking water

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2755-2762
DOI: 10.1039/C4DT03068K, PaperGuangwen Men, Chunrong Chen, Shitong Zhang, Chunshuang Liang, Ying Wang, Mengyu Deng, Hongxing Shang, Bing Yang, Shimei Jiang
An "off-the-shelf" fluorescence "turn-on" Mg2+ chemosensor BCSA has been developed for real-time quantitative monitoring of magnesium in drinking water.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis and transition metal coordination chemistry of a novel hexadentate bispidine ligand

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2724-2736
DOI: 10.1039/C4DT03262D, PaperPeter Comba, Henning Rudolf, Hubert Wadepohl
With the hexadentate bispidine ligand, the CuII and FeII (red) complexes are hexacoordinated with a semi-coordinated py4, the MnII complex (green) is heptacoordinated.
The content of this RSS Feed (c) The Royal Society of Chemistry

Transmetalation from B to Rh in the course of the catalytic asymmetric 1,4-addition reaction of phenylboronic acid to enones: a computational comparison of diphosphane and diene ligands

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2737-2746
DOI: 10.1039/C4DT03147D, PaperYou-Gui Li, Gang He, Hua-Li Qin, Eric Assen B. Kantchev
A DFT study on the transmetalation of PhB(OH)2 to diphosphane and diene Rh catalysts confirms the proposed intermediate and reactivity trends.
The content of this RSS Feed (c) The Royal Society of Chemistry

Uranyl extraction by N,N-dialkylamide ligands studied using static and dynamic DFT simulations

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2623-2638
DOI: 10.1039/C4DT02443E, PaperNicolas Sieffert, Georges Wipff
DFT/MM-MD simulations highlight the structure and dynamics of mixed uranyl/nitrato/monoamides (L) complexes at an "oil"/water interface.
The content of this RSS Feed (c) The Royal Society of Chemistry

1,2,3-Triazolylidene ruthenium(II)-cyclometalated complexes and olefin selective hydrogenation catalysis

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2712-2723
DOI: 10.1039/C4DT03156C, PaperBidraha Bagh, Adam M. McKinty, Alan J. Lough, Douglas W. Stephan
Silver(I) 1,2,3-triazol-5-ylidenes [(RCH2C2N2(NMe)Ph)2Ag][AgCl2] (R = Ph 3a, C6H2iPr33b, C6H2Me33c) and [(PhCH2C2N2(NMe)R)2Ag][AgCl2] (R = C6H4Me 3d, C6H4CF33e) were synthesized and subsequently treated with RuHCl(PPh3)3 and RuHCl(H2)(PCy3)2 to give cyclometallated and Ru-hydride species as the major and minor products, respectively.
The content of this RSS Feed (c) The Royal Society of Chemistry

Chemical reduction of the elastic properties of zeolites: a comparison of the formation of carbonate species versus dealumination

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2703-2711
DOI: 10.1039/C4DT02787F, PaperI. A. Bryukhanov, A. A. Rybakov, V. L. Kovalev, A. V. Larin, G. M. Zhidomirov
The poorer shielding of CO32- species (in ellipses) by Na+ cations (left) than by K+ cations (right) results in the stronger NaX destabilization than that of NaKX zeolite at comparable cationic drifts.
The content of this RSS Feed (c) The Royal Society of Chemistry

Spectroscopic study on uranyl carboxylate complexes formed at the surface layer of Sulfolobus acidocaldarius

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2684-2692
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.
The content of this RSS Feed (c) The Royal Society of Chemistry

Density functional theory investigation of the layered uranium oxides U3O8 and U2O5

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2613-2622
DOI: 10.1039/C4DT02493A, PaperNicholas A. Brincat, Stephen C. Parker, Marco Molinari, Geoffrey C. Allen, Mark T. Storr
New predictions of structural, electronic and mechanical properties of layered uranium oxides using DFT + U calculations.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synchrotron applications to f-element research in the nuclear fuel cycle

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2606-2612
DOI: 10.1039/C4DT02716G, PaperMelissa A. Denecke
A summary of innovative techniques using synchrotron radiation for actinide studies in nuclear research, including X-ray spectroscopy and imaging.
The content of this RSS Feed (c) The Royal Society of Chemistry

Actinide-based single-molecule magnets

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2517-2528
DOI: 10.1039/C4DT02391A, PerspectiveKatie R. Meihaus, Jeffrey R. Long
Actinide single-molecule magnets compose a small yet complex consortium, presenting new design and characterization challenges for magnetochemists and physicists.
The content of this RSS Feed (c) The Royal Society of Chemistry

Mixed sandwich thorium complexes incorporating bis(tri-isopropylsilyl)cyclooctatetraenyl and pentamethylcyclopentadienyl ligands: synthesis, structure and reactivity

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2588-2596
DOI: 10.1039/C4DT02362E, PaperZoe E. Button, Jessica A. Higgins, Marketa Suvova, F. Geoffrey N. Cloke, S. Mark Roe
The synthesis of thorium complexes of the type Th(COTTIPS2)Cp*X (X = Cl, I, CH2Ph, H) and their reactivity towards CO2, including reductive coupling to form an oxalate complex, are reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis and characterisation of lanthanide-hydroporphyrin dyads

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2541-2553
DOI: 10.1039/C4DT02448F, PaperRuisheng Xiong, Julien Andres, Kira Scheffler, K. Eszter Borbas
Hydroporphyrin-linked lanthanide complexes with variations in tetrapyrrole structure, linker length and mode of attachment are reported.
The content of this RSS Feed (c) The Royal Society of Chemistry

Can a pentamethylcyclopentadienyl ligand act as a proton-relay in f-element chemistry? Insights from a joint experimental/theoretical study

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2575-2587
DOI: 10.1039/C4DT02387K, PaperChristos E. Kefalidis, Lionel Perrin, Carol J. Burns, David J. Berg, Laurent Maron, Richard A. Andersen
Isomerisation of buta-1,2-diene to but-2-yne by (Me5C5)2Yb is a thermodynamically favourable reaction, with the [capital Delta]rG[degree] estimated from experimental data at 298 K to be -3.0 kcal mol-1.
The content of this RSS Feed (c) The Royal Society of Chemistry

Sonochemical redox reactions of Pu(III) and Pu(IV) in aqueous nitric solutions

Dalton Transactions - 29 January, 2015 - 22:17

Dalton Trans., 2015, 44,2567-2574
DOI: 10.1039/C4DT02330G, PaperMatthieu Virot, Laurent Venault, Philippe Moisy, Sergey I. Nikitenko
The 20 kHz sonication of aqueous nitric solutions generates active species which can further react with Pu(IV) and Pu(III) ions.
The content of this RSS Feed (c) The Royal Society of Chemistry

New 1-D and 3-D thiocyanatocadmates modified by various amine molecules and Cl-/CH3COO- ions: synthesis, structural characterization, thermal behavior and photoluminescence property

Dalton Transactions - 29 January, 2015 - 22:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03799E, PaperJie-hui Yu, Ji-Qing Xu, Guo Bing, Yanning Wang, jing jing huang, Xiao Zhang
At the ambient conditions, the reactions of CdCl2/Cd(CH3COO)2, SCN- and various organic amine molecules in a strongly acidic solutions afforded five new thiocyanatocadmates as [H2(abpy)][CdCl2(SCN)2] (abpy = azobispyridine) 1, [H(apy)][Cd(SCN)3]...
The content of this RSS Feed (c) The Royal Society of Chemistry

Controllable synthesis of CeO2/g-C3N4 composites and their applications in environment

Dalton Transactions - 29 January, 2015 - 22:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03793F, PaperXiaojie She, Hui Xu, Hefei Wang, Jiexiang Xia, Yanhua Song, Jia Yan, Yuanguo Xu, qi Zhang, Daolin Du, Huaming Li
The experiment developed a photocatalytic reactor which includes circulating water, light, and temperature control system. CeO2/g-C3N4 composites with high photocatalytic activity and stability were synthesized by a simple and facile...
The content of this RSS Feed (c) The Royal Society of Chemistry

New family of hetero-tri-metallic complexes [M(CuTb)]n (n = 1, 2, [infinity]; M=Co, Cr, Fe) : synthesis, structure and tailored single-molecule magnet behavior

Dalton Transactions - 29 January, 2015 - 22:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03757J, PaperNathalie Bridonneau, Geoffrey Gontard, Valerie Marvaud
A new family of hetero-tri-metallic complexes [M(CuTb)]n (MIII = Co, Cr, Fe; n = 1, 2, [infinity]), composed of three series of three compounds (oligo- and poly-nuclear complexes based on...
The content of this RSS Feed (c) The Royal Society of Chemistry

Understanding the relative binding ability of hydroxyfullerene to divalent and trivalent metals

Dalton Transactions - 29 January, 2015 - 22:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03376K, PaperJessica Heimann, Lauren Morrow, Robin Anderson, Andrew Ross Barron
Metal contamination of water is a serious challenge faced by environmental chemists, but there is also economic value in the removal of metals for recycling or extraction. Our prior observation...
The content of this RSS Feed (c) The Royal Society of Chemistry

WebElements: the periodic table on the WWW [http://www.webelements.com/]

Copyright 1993-2011 Mark Winter [The University of Sheffield and WebElements Ltd, UK]. All rights reserved.