Dalton Transactions

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A novel route for synthesis of UV-resistant hydrophobic titania-containing silica aerogels by using potassium titanate as precursor

1 April, 2014 - 17:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C3DT53389A, PaperWei Wei, Xiaomeng Lu, Deli Jiang, Zaoxue Yan, Min Chen, Jimin Xie
The developing of a novel and facile way to synthesize composite aerogels plays an important role in the applications of aerogels. UV-resistant hydrophobic titania-containing silica aerogels are prepared for the...
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Photophysical properties of a new water soluble tetra thiamine substituted zinc phthalocyanine conjugated to gold nanorods of different aspect ratios

1 April, 2014 - 17:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00197D, PaperThandekile Mthethwa, Edith Antunes, Tebello Nyokong
A water soluble thiamine substituted zinc phthalocyanine was conjugated to gold nanorods and the singlet oxygen quantum yield increased on conjugation and became even higher for larger aspect ratio gold nanorods.
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Synthesis, structure and reactivity of [o-(2,6-diisopropylphenyliminomethinyl)phenyl]selenenyl selenocyanate (RSeSeCN) and related derivatives

1 April, 2014 - 17:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00157E, PaperPrakul Rakesh, Harkesh B. Singh, Jerry P. Jasinski, James A. Golen
The synthesis, structure and reactivity of stable selenenyl selenocyanates having a strong Se-Se bond are reported.
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Antenna effects in truxene-bridged BODIPY triarylzinc(II)porphyrin dyads: evidence for a dual Dexter-Forster mechanism

1 April, 2014 - 17:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT53630K, PaperHai-Jun Xu, Antoine Bonnot, Paul-Ludovic Karsenti, Adam Langlois, Mohammed Abdelhameed, Jean-Michel Barbe, Claude P. Gros, Pierre D. Harvey
BODIPY uses the truxene bridge to transfer its S1 energy to the zinc(II)porphyrin acceptors via a Dexter mechanism almost exclusively.
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Synthesis, Crystal Structure and Study of Magnetocaloric Effect and Single Molecular Magnetic Behaviour in Discrete Lanthanide Complexes

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00540F, PaperSanjit Konar, Amit Adhikary, Javeed Ahmad Sheikh, Soumava Biswas
The synthesis, crystal structure and magnetic properties of four polynuclear lanthanide coordination complexes having molecular formulae, [Gd3L12(H2O)8(Cl)](Cl)4[middle dot]10H2O (1), [Dy3L12(H2O)9](Cl)5[middle dot]6H2O (2) [Gd6L22(HCO2)4([small mu ]3-OH)4(DMF)6(H2O)2](Cl)2[middle dot]4H2O (3) and [Dy6L22(HCO2)4([small mu ]3-OH)4(DMF)6(H2O)2](Cl)2[middle dot]4H2O (4) (where H2L1 = bis[(2-pyridyl)methylne]pyridine-2,6-dicarbohydrazide and...
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Investigation on Spin-Flip Reaction of Re + CH3CN by Relativistic Density Functional Theory

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00193A, PaperYi Xiao, Wen-Xin Ji, Wei Xu, Xian-Yang Chen, Shu-Gaung Wang
Abstract: To explore the integrated reaction mechanisms for Re atom with acetonitrile theoretically, density functional theory with zero-order regular approximation (ZORA) relativistic corrections has been employed at the BP86/TZ2P level....
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Enhanced photocatalytic CO2-reduction activity of electrospun mesoporous TiO2 nanofibers by solvothermal treatment

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00181H, PaperJunwei Fu, Shaowen Cao, Jiaguo Yu, Jingxiang Low, Yongpeng Lei
Photocatalytic reduction of CO2 into renewable hydrocarbon fuels using semiconductor photocatalysts is considered as a potential solution to the energy deficiency and greenhouse effect. In this work, mesoporous TiO2 nanofibers...
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Probing differential optical and coverage behavior in nanotube-nanocrystal heterostructures synthesized by covalent versus non-covalent approaches

30 March, 2014 - 16:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT53405G, PaperLei Wang, Jinkyu Han, Jessica Hoy, Fang Hu, Haiqing Liu, Molly M. Gentleman, Matthew Y. Sfeir, James A. Misewich, Stanislaus S. Wong
Differential optical and coverage behavior is associated with variously functionalized DWNT-CdSe heterostructures.
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Efficient and persistent cold cathode emission from CuPc nanotubes: A joint experimental and simulation investigation

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00300D, PaperKalyan Kumar Chattopadhyay, Uttam Ghorai, Swati Das, Subhajit Saha, Nilesh Mazumder, Dipayan Sen
In the current report, chemically synthesized CuPc nanotubes are shown to exhibit unprecedentedly well cold cathode emission characteristics with a turn-on field (3.2 V/[small mu ]m) and stable emission during long intervals...
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Restraining the Motion of Ligand for Modulating the Structural Phase Transition in Two Isomorphic Polar Coordination Polymers

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00675E, CommunicationBao-Ying Wang, Wei-Jian Xu, Wei Xue, Rui-Biao Lin, Zi-Yi Du, Dong-Dong Zhou, Wei-Xiong Zhang, Xiao-Ming Chen
A structural phase transition induced by ligand motion was found in a new polar coordination polymer: [Cu(NCS)2(4-APy)2]n (4-APy = 4-aminopyridine). Restraining such motion in an isomorphic compound [Cu(NCS)2(4-MeAPy)2]n (4-MeAPy =...
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Supramolecular Architectures with Pyridine-amide Based Ligands: Discrete Molecular Assemblies and Their Applications

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT00277F, PerspectiveRajeev Gupta, Anurag Mishra
Recent years have seen a surge of interest in supramolecular architectures with focus shifting towards generating discrete molecular assemblies and factors controlling their formation. Such molecular assemblies offer wide range...
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Metal(II) complexes based on quinoline-2,3-dicarboxylate as electrocatalysts for degradation of methyl orange

30 March, 2014 - 16:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C3DT53505C, PaperYun Gong, Miao Miao Zhang, Jian Bo Qin, Jian Li, Jiang P Meng, Jian Hua Lin
Based on quinoline-2,3-dicarboxylic acid (H2L), two metal(II) complexes formulated as MnL(phen)(H2O)[middle dot]H2O (phen=1,10-phenanthroline) (1) and Co(HL)2(PPA)[middle dot]4H2O (PPA= N1,N4-di(pyridin-4-yl)terephthalamide) (2) were synthesized and structurally characterized by single-crystal X-ray diffractions. Complexes 1 and...
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Metallophilicity-assisted assembly of phosphine-based cage molecules

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,6236-6243
DOI: 10.1039/C3DT53645A, PaperJulia R. Shakirova, Elena V. Grachova, Antti J. Karttunen, Vladislav V. Gurzhiy, Sergey P. Tunik, Igor O. Koshevoy
A family of the cage molecules constructed of Au3 clusters and di-/tridentate phosphines was obtained via aurophilicity-driven self-assembly.
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Mixed ligand [small mu ]-phenoxo-bridged dinuclear copper(II) complexes with diimine co-ligands: efficient chemical nuclease and protease activities and cytotoxicity

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,6177-6194
DOI: 10.1039/C3DT52518J, PaperRangasamy Loganathan, Sethu Ramakrishnan, Eringathodi Suresh, Mallayan Palaniandavar, Anvarbatcha Riyasdeen, Mohamad Abdulkadhar Akbarsha
The dmp and tmp complexes exhibit strong DNA and protein binding affinity and prominent ds DNA cleavage and cytotoxicity.
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Tetratopic pyrimidine-hydrazone ligands modified with terminal hydroxymethyl and acryloyl arms and their Pb(II), Zn(II), Cu(II) and Ag(I) complexes

30 March, 2014 - 16:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C3DT53559B, PaperDaniel J. Hutchinson, Lyall R. Hanton, Stephen C. Moratti
Tetratopic pym-hyz strands with terminal hydroxymethyl (L1) and acryloyl groups (L2) were synthesised, characterised and reacted with Pb(II), Zn(II), Cu(II) and Ag(I) ions resulting in new linear, horse-shoe shaped and double helical complexes.
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Double exchange in a mixed-valent octanuclear iron cluster, [Fe8([small mu ]4-O)4([small mu ]-4-Cl-pz)12Cl4]-

30 March, 2014 - 16:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00020J, PaperEkaterina M. Zueva, Radovan Herchel, Serguei A. Borshch, Evgen V. Govor, W. M. C. Sameera, Ross McDonald, John Singleton, Jurek Krzystek, Zdenek Travnicek, Yiannis Sanakis, John E. McGrady, Raphael G. Raptis
The influence of double exchange on the magnetic properties of a mixed-valent Fe4O8 cluster is highly dependent on temperature.
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Electronic tuning of Mo2(thioamidate)4 complexes through [small pi]-system substituents and cis/trans isomerism

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,6165-6176
DOI: 10.1039/C4DT00297K, PaperBrian S. Dolinar, John F. Berry
Reported here are the syntheses and characterization of new Mo2(thioamidate)4 complexes. By varying the [small pi]-system substituent and regioisomerism of these compounds, their electronics are tuned with varying degrees of effect.
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Assembly and structural transformation of organic-decorated manganese selenidostannates

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,6002-6005
DOI: 10.1039/C3DT53346H, CommunicationCheng-Feng Du, Mei-Ling Feng, Jian-Rong Li, Guo-Dong Zou, Ke-Zhao Du, Xiao-Ying Huang
Presented are the 1D, and the first 2D and 3D amine-decorated Mn-Sn-Se compounds, and structural transformation between the 1D and 2D ones.
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Self-assembly of a 15-nickel metallamacrocyclic complex derived from the L-glutamic acid Schiff base ligand

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,5998-6001
DOI: 10.1039/C4DT00257A, CommunicationYude Thio, Shi Wei Toh, Feng Xue, Jagadese J. Vittal
A 15-nickel metallamacrocyclic ring synthesized and characterized by X-ray crystallography and spectroscopic analyses can be viewed as a pentagon comprising five trinuclear units with a Ni-O-Ni-O-Ni-O configuration.
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An investigation on new ruthenium(II) hydrazone complexes as anticancer agents and their interaction with biomolecules

30 March, 2014 - 16:54

Dalton Trans., 2014, 43,6087-6099
DOI: 10.1039/C3DT51949J, PaperMani Alagesan, Nattamai S. P. Bhuvanesh, Nallasamy Dharmaraj
A new set of ruthenium(II) hydrazone complexes with selective toxicity to cancer cell lines have been synthesized. The binding potential of the new complexes with DNA/protein was determined by spectral studies.
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