Dalton Transactions

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Amphiphilic zinc phthalocyanine photosensitizers: synthesis, photophysicochemical properties and in vitro studies for photodynamic therapy

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9646-9658
DOI: 10.1039/C5DT00747J, PaperDilek Cak[i without dot]r, Meltem Goksel, Volkan Cak[i without dot]r, Mahmut Durmus, Zekeriya Biyiklioglu, Halit Kantekin
Peripherally and non-peripherally tetra-substituted zinc(II) phthalocyanines bearing 2-(2-{2-[3-(dimethylamino)phenoxy]ethoxy}ethoxy)ethoxy and 2-(2-{2-[3-(diethylamino)phenoxy]ethoxy}ethoxy)ethoxy groups (2a, 5a, 3a and 6a) were synthesized by cyclotetramerization of the corresponding phthalonitriles (2, 5, 3 and 6).
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Two novel POM-based inorganic-organic hybrid compounds: synthesis, structures, magnetic properties, photodegradation and selective absorption of organic dyes

19 May, 2015 - 02:17

Dalton Trans., 2015, 44,9496-9505
DOI: 10.1039/C5DT01042J, PaperXue-Jing Dui, Wen-Bin Yang, Xiao-Yuan Wu, Xiaofei Kuang, Jian-Zhen Liao, Rongmin Yu, Can-Zhong Lu
Two novel 2D hybrid materials, based on related polyoxometalate units, exhibit selective absorption of organic dyes and interesting magnetic properties.
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TiO2 nanofibers resembling 'yellow bristle grass' in morphology by a soft chemical transformation

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9637-9645
DOI: 10.1039/C5DT01027F, PaperSandeep Nandan, T. G. Deepak, Shantikumar V. Nair, A. Sreekumaran Nair
We synthesized a uniquely shaped one-dimensional (1-D) TiO2 nanostructure having the morphology of yellow bristle grass with high surface area by the titanate route under mild reaction conditions.
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An iron(II) spin-crossover metallacycle from a back-to-back bis-[dipyrazolylpyridine]

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9417-9425
DOI: 10.1039/C5DT00732A, PaperLaurence J. Kershaw Cook, Julie Fisher, Lindsay P. Harding, Malcolm A. Halcrow
Iron(II) and zinc(II) complexes of bis[2,6-di(pyrazol-1-yl)pyrid-4-yl]disulfide assemble into tetranuclear metallacycles according to ES-MS, DOSY NMR and conductivity data. The iron complex exhibits a thermal spin-state equilibrium in solution, which the iron centres appear to undergo independently of each other.
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Large and negative magnetic anisotropy in pentacoordinate mononuclear Ni(II) Schiff base complexes

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9551-9560
DOI: 10.1039/C5DT00600G, PaperIvan Nemec, Radovan Herchel, Ingrid Svoboda, Roman Boca, Zdenek Travnicek
Pentacoordinate Ni(II) complexes with pentadentate Schiff base ligands possess large and negative values of axial magnetic anisotropy. The relationship between the shape of the coordination polyhedron and uniaxial anisotropy is outlined.
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Simulated sunlight photocatalytic degradation of aqueous p-nitrophenol and bisphenol A in a Pt/BiOBr film-coated quartz fiber photoreactor

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9439-9449
DOI: 10.1039/C5DT00417A, PaperYanqin Jia, Yuxin Yang, Yingna Guo, Wan Guo, Qin Qin, Xia Yang, Yihang Guo
Pt/BiOBr film-coated quartz fiber bundles were prepared by dip-coating combined with photodeposition, and their phase and chemical structures, electronic and optical properties, textural properties as well as morphologies were well-characterized.
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Geometric and electronic structures of five-coordinate manganese(II) "picket fence" porphyrin complexes

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9382-9390
DOI: 10.1039/C5DT00685F, PaperQiang Yu, Yanhong Liu, Diansheng Liu, Jianfeng Li
The X-ray structural investigation rationalized the variable axial ligand distances. EPR revealed five resonance positions and the simulations gave reasonable zero field splitting parameters.
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Chiral environment of catalytic sites in the chiral metal-organic frameworks

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9349-9352
DOI: 10.1039/C5DT01322D, CommunicationMisun Lee, Sung Min Shin, Nakcheol Jeong, Praveen K. Thallapally
Chiral metal-organic frameworks are considered a useful platform in heterogeneous catalysis for enantioselective chemical transformations.
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Diving into the redox properties of Geobacter sulfurreducens cytochromes: a model for extracellular electron transfer

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9335-9344
DOI: 10.1039/C5DT00556F, PerspectiveTelma C. Santos, Marta A. Silva, Leonor Morgado, Joana M. Dantas, Carlos A. Salgueiro
The redox properties of key cytochromes from Geobacter sulfurreducens are used to present an overview for extracellular electron transfer pathways.
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Multifunctional luminescence properties of co-doped lanthanide metal organic frameworks

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9588-9595
DOI: 10.1039/C5DT00249D, PaperShanghua Xing, Guang Zeng, Xiaomin Liu, Fen Yang, Zhiqiang Hao, Wei Gao, Yulin Yang, Xiuru Wang, Guanghua Li, Zhan Shi, Shouhua Feng
Multifunctional luminescent materials of six Ln-MOFs have been designed and synthesized by the co-doping strategy. Thus a wide range of light emitting spectra and different temperature-dependent luminescence behavior were displayed.
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A novel inorganic-organic nanohybrid material H4SiW12O40/pyridino-MCM-41 as efficient catalyst for the preparation of 1-amidoalkyl-2-naphthols under solvent-free conditions

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9596-9609
DOI: 10.1039/C5DT00368G, PaperR. Tayebee, M. M. Amini, M. Akbari, A. Aliakbari
A new inorganic-organic nanohybrid material was prepared and performed as an efficient catalyst for the one-pot multi-component synthesis of different substituted 1-amidoalkyl-2-naphthols under solvent-free conditions.
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Novel CuII-MII-CuII (M = Cu or Ni) trinuclear and [NaI2CuII6] hexanuclear complexes assembled by bi-compartmental ligands: syntheses, structures, magnetic and catalytic studies

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9426-9438
DOI: 10.1039/C4DT03728F, PaperSurajit Biswas, Arpan Dutta, Malay Dolai, Indrani Bhowmick, Mathieu Rouzieres, Rodolphe Clerac, Anangamohan Panja, Mahammad Ali
Complexes 5-7 synthesized from two in situ generated ligands, HL1 and HL2 exhibited excellent TON for epoxidation of olefins.
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Zn(II) and Cu(II) complexes containing bioactive O,O-chelated ligands: homoleptic and heteroleptic metal-based biomolecules

17 May, 2015 - 01:54

Dalton Trans., 2015, 44,9321-9334
DOI: 10.1039/C5DT00817D, PerspectiveBarbara Sanz Mendiguchia, Iolinda Aiello, Alessandra Crispini
Zn(II) or Cu(II) highly stable complexes with chelated O,O-donor ligands from natural extractions give rise to drug delivery systems, new biologically active complexes and potential diagnostic agents due to their intrinsic spectroscopic properties.
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Spin-crossover behaviors in solvated cobalt(II) compounds

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9345-9348
DOI: 10.1039/C4DT03743J, CommunicationShinya Hayami, Manabu Nakaya, Hitomi Ohmagari, Amolegbe Saliu Alao, Masaaki Nakamura, Ryo Ohtani, Ryotaro Yamaguchi, Takayoshi Kuroda-Sowa, Jack K. Clegg
SCO cobalt(II) compounds with the methoxy group have been synthesized, which exhibit unique magnetic behaviors, two-step SCO or reverse spin transition caused by structural transition.
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The non-aqueous fluorolytic sol-gel synthesis of nanoscaled metal fluorides

15 May, 2015 - 01:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00914F, PerspectiveErhard Kemnitz, Johannes Noack
Nanoscopic metal fluorides with new applications.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Sr7.3Ca2.7(PO4)6F2:Eu2+,Mn2+: a novel single-phased white light-emitting phosphor for NUV-LEDs

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9630-9636
DOI: 10.1039/C5DT00907C, PaperJianyan Ding, Quansheng Wu, Yanyan Li, Qiang Long, Chuang Wang, Yuhua Wang
After co-doping Eu2+ and Mn2+ into SCPF, blue-yellow tunable colors were obtained including warm white light.
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Rod-like [small beta]-FeOOH@poly(dopamine)-Au-poly(dopamine) nanocatalysts with improved recyclable activities

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9538-9544
DOI: 10.1039/C5DT00913H, PaperYa Mao, Wanquan Jiang, Shouhu Xuan, Qunling Fang, Ken Cham-Fai Leung, Beng S. Ong, Sheng Wang, Xinglong Gong
A novel rod-like [small beta]-FeOOH@poly(dopamine)-Au-poly(dopamine) core-shell nanocomposite with significantly improved recyclability is developed for catalysis.
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Synthesis, characterization, DNA/BSA interactions and anticancer activity of achiral and chiral copper complexes

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9516-9527
DOI: 10.1039/C5DT00931F, PaperXue-Quan Zhou, Qian Sun, Lin Jiang, Si-Tong Li, Wen Gu, Jin-Lei Tian, Xin Liu, Shi-Ping Yan
Six copper(II) complexes containing a tridentate polypyridyl ligand showed significant DNA binding/cleavage activity and remarkable anticancer potency with low IC50 values.
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Flexible superior electrode architectures based on three-dimensional porous spinous [small alpha]-Fe2O3 with a high performance as a supercapacitor

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9581-9587
DOI: 10.1039/C5DT01010A, PaperHonghong Nan, Liutao Yu, Wenqin Ma, Baoyou Geng, Xiaojun Zhang
Herein, we designed a series of 3D porous spinous iron oxide materials synthesized on a thin iron plate through a facile method under mild conditions.
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Facile synthesis and photocatalytic properties of ZnO core/ZnS-CdS solid solution shell nanorods grown vertically on reductive graphene oxide

15 May, 2015 - 01:17

Dalton Trans., 2015, 44,9528-9537
DOI: 10.1039/C5DT00293A, PaperJimeng Xu, Huanxin Sang, Xitao Wang, Kang Wang
The synthesis of ZnO core/ZnxCd1-xS shell nanorods grown vertically on RGO sheets and the important role played by ZnxCd1-xS on photocatalytic activity are described.
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