Dalton Transactions

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Impact of SDS surfactant on the interactions of Cu2+ ions with the amyloidogenic region of human prion protein

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01488C, PaperAleksandra Hecel, Caterina Migliorini, Daniela Valensin, Marek Luczkowski, Henryk Kozlowski
In this work, we focused on Cu2+ interaction with the hPrP fragment spanning residues 91-127 in the presence of micelles formed by the anionic surfactant sodium dodecyl sulfate.
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A double substitution induced Ca(Mg0.8, Al0.2)(Si1.8, Al0.2)O6:Eu2+ phosphor for w-LEDs: synthesis, structure, and luminescence properties

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01409C, PaperYang Li, Wenjing Liu, Xicheng Wang, Ge Zhu, Chuang Wang, Yuhua Wang
A double substitution induced blue-emitting phosphor Ca(Mg0.8, Al0.2)(Si1.8, Al0.2)O6:Eu2+ (CMAS:Eu2+) was successfully synthesized by a solid-state reaction process, and its structure and luminescence properties were investigated in detail.
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Synthesis of a series of new platinum organometallic complexes derived from bidentate Schiff-base ligands and their catalytic activity in the hydrosilylation and dehydrosilylation of styrene

2 July, 2015 - 13:17

Dalton Trans., 2015, 44,11919-11928
DOI: 10.1039/C5DT01407G, PaperM. Belhadj Lachachi, Tayeb Benabdallah, Pedro M. Aguiar, M. Hadj Youcef, Adrian C. Whitwood, Jason M. Lynam
Substituents on Schiff base ligands impact the rate and selectivity for Pt-catalysed dehydro/hydrosilylation reactions.
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Novel helical assembly of a Pt(II) phenylbipyridine complex directed by metal-metal interaction and aggregation-induced circularly polarized emission

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01284H, PaperToshiaki Ikeda, Midori Takayama, Jatish Kumar, Tsuyoshi Kawai, Takeharu Haino
Pt(II) complexes possessing phenylisoxazole moieties self-assembled to form helical stacked aggregates which display aggregation-induced circularly polarized luminescence.
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Dual mode signaling responses of a rhodamine based probe and its immobilization onto a silica gel surface for specific mercury ion detection

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01334H, PaperAjoy Pal, Bamaprasad Bag
The amino-ethyl-rhodamine-B based probe 2 appended with a 3-aminomethyl-(2-amino-1-pyridyl) group retained its Hg(II)-specific chromogenic and fluorogenic signaling responses in an aqueous medium even upon immobilization onto a silica gel surface for selective detection and extraction of Hg(II) ions.
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Stereoelectronic control of photophysics: red and yellow axial and equatorial anomers of a rhenium-quinoline complex

2 July, 2015 - 13:17

Dalton Trans., 2015, 44,11700-11704
DOI: 10.1039/C5DT02136G, CommunicationRachel H. Platel, Michael P. Coogan, James A. Platts
A novel quinoline-substituted pyrimidine ligand forms two different coloured complexes upon reaction with Re(CO)5Br.
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A novel poly(polyoxometalate) built by {Cu9}/{Cu5} clusters and {PW9}/{PW10}/{PW11} lacunary fragments

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01999K, CommunicationWei-Hui Fang, Wei-Dong Wang, Guo-Yu Yang
The synergistic directing effect of six multi-lacunary Keggin fragments leads to the formation of a Cu28.5-based poly(polyoxotungstate) (poly(POT)), not only showing the largest Cu-substituted POT, but also representing a typical example of poly(POT)s comprising three types of Keggin vacant units.
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The selectivity of water-based pyrophosphate recognition is tuned by metal substitution in dimetallic receptors

2 July, 2015 - 13:17

Dalton Trans., 2015, 44,11877-11886
DOI: 10.1039/C5DT00729A, PaperSimon Svane, Frank Kjeldsen, Vickie McKee, Christine J. McKenzie
Indicator displacement assays show that a digallium complex is selective for pyrophosphate even compared with higher concentrations of other common oxoanions like phosphate, ATP, arsenate, nitrate, perchlorate, sulfate, formate, carbonate and acetate.
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A computational analysis of the apparent nido vs. hypho conflict: are we dealing with six- or eight-vertex open-face diheteroboranes?

2 July, 2015 - 13:17

Dalton Trans., 2015, 44,11819-11826
DOI: 10.1039/C5DT01460C, PaperJoao Pedro F. Nunes, Josef Holub, David W. H. Rankin, Derek A. Wann, Drahomir Hnyk
Computational studies have been undertaken to investigate the electronic structures of six hetero-substituted borane cages, concluding that hypho-7,8-[S2B6H9]- is the only true hypho species in this series.
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Structure and aggregation properties of a Schiff-base zinc(II) complex derived from cis-1,2-diaminocyclohexane

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01148E, PaperGiuseppe Consiglio, Ivan Pietro Oliveri, Francesco Punzo, Amber L. Thompson, Santo Di Bella, Salvatore Failla
The effect of the bridging diamine upon the aggregation properties of a ZnII Schiff-base complex is reported. The X-ray crystal structure indicates the presence of an asymmetric dimer which is preserved even in solution.
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A sole multi-analyte receptor responds with three distinct fluorescence signals: traffic signal like sensing of Al3+, Zn2+ and F-

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01468A, PaperBarun Kumar Datta, Durairaj Thiyagarajan, Aiyagari Ramesh, Gopal Das
A dialdehyde-based ligand rendered discriminatory sensing of Al3+, Zn2+ and F- ions. The non-toxic receptor could also facilitate target metal sensing in live HeLa cells through imaging studies.
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Efficient charge separation based on type-II g-C3N4/TiO2-B nanowire/tube heterostructure photocatalysts

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01757B, PaperHongmei Chen, Yinghao Xie, Xiaoqin Sun, Meilin Lv, Fangfang Wu, Lei Zhang, Li Li, Xiaoxiang Xu
Prolonged lifetime of charges in g-C3N4/TiO2-B heterostructures compared with pristine g-C3N4.
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Mechanism of proton transfer to coordinated thiolates: encapsulation of acid stabilizes precursor intermediate

2 July, 2015 - 13:17

Dalton Trans., 2015, 44,11977-11983
DOI: 10.1039/C5DT01716E, PaperAhmed Alwaaly, William Clegg, Ross W. Harrington, Athinoula L. Petrou, Richard A. Henderson
Hydrogen bonded intermediate in protonation of [Ni(thiolate)(triphos)]+ by 2,6-lutidinium is stabilized by encapsulation of the acid by phenyl groups of triphos.
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Dual-targeting organometallic ruthenium(II) anticancer complexes bearing EGFR-inhibiting 4-anilinoquinazoline ligands

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01430A, PaperYang Zhang, Wei Zheng, Qun Luo, Yao Zhao, Erlong Zhang, Suyan Liu, Fuyi Wang
Organoruthenium complexes containing 4-anilinoquinazolines show dual-targeting activity, and highly inhibit the growth of the HeLa cancer cell line.
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Synthesis and optical power limiting properties of heteroleptic Mo3S7 clusters

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01244A, PaperDavid Recatala, Rosa Llusar, Adam Barlow, Genmiao Wang, Marek Samoc, Mark G. Humphrey, Artem L. Guschin
A series of mixed-ligand diimine-halide and diimine-dithiolene clusters based on the Mo3S7 core have been synthesized. Their optical limiting behavior was assessed by Z-scan techniques, and compared to that of a dithiolene Mo2O2S2-based cluster.
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Modeling the magnetic properties of lanthanide complexes: relationship of the REC parameters with Pauling electronegativity and coordination number

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01839K, CommunicationJose J. Baldovi, Alejandro Gaita-Arino, Eugenio Coronado
The REC model has proven to be useful to study lanthanide SIMs. But do its effective charge parameters have any physical meaning? Here we relate Dr and Zi with the coordination numbers, valence and electronegativity.
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Metallosupramolecular Ni2L3 and Ni4L6 complexes of bis-bidentate pyridine-containing ligands: X-ray structures and catalytic proton reduction

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01706H, PaperChui-Shan Tsang, Lingjing Chen, Lu-Wei Li, Shek-Man Yiu, Tai-Chu Lau, Hoi-Lun Kwong
The pyridine-containing ligands L1 and L2 react with Ni2+ ions to afford dinuclear triple-stranded helicate and tetrahedral cage supramolecular complexes, respectively; the two architectures exhibit contrasting reactivity towards electro- and photocatalytic proton reduction.
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BSA-directed synthesis of CuS nanoparticles as a biocompatible photothermal agent for tumor ablation in vivo

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01467K, PaperCai Zhang, Yan-Yan Fu, Xuejun Zhang, Chunshui Yu, Yan Zhao, Shao-Kai Sun
An albumin-directed CuS photothermal agent with inherent biocompatibility was developed in a facile procedure under mild reaction conditions for tumor ablation in vivo.
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Ir(III) complexes designed for light-emitting devices: beyond the luminescence color array

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01644D, PerspectiveKassio Papi Silva Zanoni, Rodolfo Lopes Coppo, Ronaldo Costa Amaral, Neyde Yukie Murakami Iha
This Perspective highlights the photophysics and recent breakthroughs in the study of emissive Ir(III) compounds, including a personal account elucidating the role of molecular and electronic structures in controlling the photophysics of heteroleptic [Ir(N^C)2(L^X)]+ complexes.
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Stereoselective formation and catalytic activity of hydrido(acylphosphane)(chlorido)(pyrazole)rhodium(III) complexes. Experimental and DFT studies

2 July, 2015 - 13:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01705J, PaperVirginia San Nacianceno, Susan Azpeitia, Lourdes Ibarlucea, Claudio Mendicute-Fierro, Antonio Rodriguez-Dieguez, Jose M. Seco, Eider San Sebastian, Maria A. Garralda
Stereoselectivity assisted by hydrogen bond formation, inhibited by steric hindrance, predicted by DFT calculations.
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