Chem. Commun.

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Charge state-dependent catalytic activity of [Au25(SC12H25)18] nanoclusters for the two-electron reduction of dioxygen to hydrogen peroxide

12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01841A, CommunicationYizhong Lu, Yuanyuan Jiang, Xiaohui Gao, Wei Chen
The electrocatalytic activity of [Au25(SC12H25)18] clusters for H2O2 production from O2 is dependent on the charge state (-1, 0 and +1), and the maximum H2O2 production ([similar]90%) is from the negative one.
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Facile synthesis of 3D Pd-P nanoparticle networks with enhanced electrocatalytic performance towards formic acid electrooxidation

12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03282A, CommunicationJingfang Zhang, You Xu, Bin Zhang
3D Pd-P nanoparticle networks (NNs) have been successfully synthesized using a facile one-step soft-template-assisted method. The as-prepared Pd-P NNs exhibit markedly improved activity and stability towards formic acid electrooxidation over Pd NNs, commercial Pd/C and Pd-P nanoparticle aggregates (NAs).
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Control of emission colour with N-heterocyclic carbene (NHC) ligands in phosphorescent three-coordinate Cu(I) complexes

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7176-7179
DOI: 10.1039/C4CC02037E, CommunicationValentina A. Krylova, Peter I. Djurovich, Brian L. Conley, Ralf Haiges, Matthew T. Whited, Travis J. Williams, Mark E. Thompson
A series of three phosphorescent mononuclear (NHC)-Cu(I) complexes were prepared and characterized.
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Convenient detection of HPV virus in a clinical sample using concurrent rolling circle and junction probe amplifications

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7147-7149
DOI: 10.1039/C4CC02532F, CommunicationLei Yan, Kailong Liu, Herman O. Sintim
Concurrent cleavage of genomic duplex DNA using a cocktail of restriction endonucleases, ligation, rolling circle amplification and junction probe amplification and detection facilitated the detection of HPV virus in a clinical swab under isothermal conditions in a single tube.
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LiFePO4 nanoparticles encapsulated in graphene nanoshells for high-performance lithium-ion battery cathodes

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7117-7119
DOI: 10.1039/C4CC02123A, CommunicationHuilong Fei, Zhiwei Peng, Yang Yang, Lei Li, Abdul-Rahman O. Raji, Errol L. G. Samuel, James M. Tour
LiFePO4 encapsulated graphene nanoshells have been prepared by solid state reaction and show superior Li+ storage properties.
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Upon the photostability of 8-nitro-cGMP and its caging as a 7-dimethylaminocoumarinyl ester

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7120-7123
DOI: 10.1039/C4CC02828G, CommunicationAyan Samanta, Martin Thunemann, Robert Feil, Thorsten Stafforst
3[prime or minute],5[prime or minute]-Cyclic 8-nitro-GMP is photolabile, nevertheless, its photoactivation from a coumarinyl ester was achieved and applied in a phosphorylation assay.
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Intramolecular N-HCl hydrogen bonds in the outer coordination sphere of a bipyridyl bisurea-based ligand stabilize a tetrahedral FeLCl2 complex

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7173-7175
DOI: 10.1039/C4CC02297A, CommunicationJesse V. Gavette, Christina M. Klug, Lev N. Zakharov, Matthew P. Shores, Michael M. Haley, Darren W. Johnson
A bipyridyl-bisurea ligand coordinates a tetrahedral FeCl2 complex and demonstrates secondary coordination sphere influence through intramolecular hydrogen bonding to the chloride ligands.
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A multifunctional anomeric linker for the chemoenzymatic synthesis of complex oligosaccharides

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7132-7135
DOI: 10.1039/C4CC02222J, CommunicationAnthony R. Prudden, Zoeisha S. Chinoy, Margreet A. Wolfert, Geert-Jan Boons
A multifunctional linker makes it possible to purify enzymatically-synthesized glycans and can give compounds for microarray and analytical method development.
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Synthesis of multi-substituted vinylsilanes via copper(I)-catalyzed hydrosilylation reactions of allenes and propiolate derivatives with silylboronates

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7195-7197
DOI: 10.1039/C4CC01722F, CommunicationYun-He Xu, Liu-Hai Wu, Jun Wang, Teck-Peng Loh
An efficient and general copper(I)-catalyzed method for the synthesis of multi-substituted vinylsilanes is reported.
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A novel iron complex for highly efficient catalytic hydrogen generation from the hydrolysis of organosilanes

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7191-7194
DOI: 10.1039/C4CC02852J, CommunicationAlan Kay Liang Teo, Wai Yip Fan
Hydrolytic oxidation of silanes to dihydrogen and silanols catalyzed by an iron-based catalyst.
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Aryloxymaleimides for cysteine modification, disulfide bridging and the dual functionalization of disulfide bonds

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7139-7142
DOI: 10.1039/C4CC02107J, CommunicationCristina Marculescu, Hanno Kossen, Rachel E. Morgan, Patrick Mayer, Sally A. Fletcher, Berend Tolner, Kerry A. Chester, Lyn H. Jones, James R. Baker
Aryloxymaleimides represent 'next generation maleimides' of attenuated reactivity. We demonstrate their use in establishing novel bioconjugation procedures at disulfide bonds.
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Humidity-triggered self-healing films with excellent oxygen barrier performance

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7136-7138
DOI: 10.1039/C4CC01970A, CommunicationYibo Dou, Awu Zhou, Ting Pan, Jingbin Han, Min Wei, David G. Evans, Xue Duan
Hybrid films were fabricated via layer-by-layer assembly of layered double hydroxide (LDH) nanoplatelets and poly(sodium styrene-4-sulfonate) (PSS) followed by incorporation of poly(vinyl alcohol) (PVA), which show excellent oxygen barrier performance with humidity-triggered self-healing capability.
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A near-infrared-emitting fluorescent probe for monitoring mitochondrial pH

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7184-7187
DOI: 10.1039/C4CC01390E, CommunicationPing Li, Haibin Xiao, Yinfang Cheng, Wen Zhang, Fang Huang, Wei Zhang, Hui Wang, Bo Tang
We describe a new fluorescent probe with near-infrared emission and unusually large Stokes shift. It accurately and dynamically estimates small changes in mitochondrial pH.
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Enhanced charge-discharge properties of SnO2 nanocrystallites in confined carbon nanospace

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7143-7146
DOI: 10.1039/C4CC02716G, CommunicationShinji Oro, Koki Urita, Isamu Moriguchi
The reversibility of SnO2-Sn conversion and Sn-Li alloying/de-alloying reactions was greatly enhanced by the confinement of SnO2 nanocrystallites in regulated carbon nanospace.
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A photochromic supramolecular polymer based on bis-p-sulfonatocalix[4]arene recognition in aqueous solution

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7166-7168
DOI: 10.1039/C4CC02672A, CommunicationXuyang Yao, Teng Li, Sheng Wang, Xiang Ma, He Tian
A photochromic supramolecular polymer was fabricated via bis-p-sulfonatocalix[4]arene recognition, showing colour switching and morphology change under alternative UV/Vis light stimuli.
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Manganese porphyrin-double stranded DNA complex guided in situ deposition of polyaniline for electrochemical thrombin detection

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7169-7172
DOI: 10.1039/C4CC02608J, CommunicationShunbi Xie, Yaqin Chai, Yali Yuan, Ruo Yuan
This work describes an aptasensor based on in situ generation of polyaniline as a redox mediator by using MnTMPyP-dsDNA as a catalyst and template.
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[{Cu(IPr)}2([small mu ]-OH)][BF4]: synthesis and halide-free CuAAC catalysis

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7154-7156
DOI: 10.1039/C4CC03346A, CommunicationHoussein Ibrahim, Regis Guillot, Federico Cisnetti, Arnaud Gautier
The preparation under protic conditions of the first [small mu ]-hydroxo dicopper(I)-NHC complex is reported.
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Spiro-fused six-membered N-heterocyclic carbene: a new scaffold toward unique properties and activities

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7163-7165
DOI: 10.1039/C4CC01627K, CommunicationBin-Miao Yang, Kai Xiang, Yong-Qiang Tu, Shi-Heng Zhang, Deng-Tao Yang, Shao-Hua Wang, Fu-Ming Zhang
A new six-membered N-heterocyclic carbene (NHC) fused with a spiro-scaffold has been designed and synthesized.
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A single chain magnet involving hexacyanoosmate

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7150-7153
DOI: 10.1039/C3CC48972H, CommunicationEugenia V. Peresypkina, Anna M. Majcher, Michal Rams, Kira E. Vostrikova
The first single chain magnet (SCM) based on the orbitally degenerate [Os(CN)6]3- anion was prepared. The high energy barriers are a result of interplay of Mn3+ single-ion magnetic anisotropy and highly anisotropic three axes exchange interactions between the paramagnetic centres.
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Colloidal synthesis and photocatalytic properties of orthorhombic AgGaS2 nanocrystals

12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7128-7131
DOI: 10.1039/C4CC01778A, CommunicationCong-Min Fan, Michelle D. Regulacio, Chen Ye, Suo Hon Lim, Yuangang Zheng, Qing-Hua Xu, An-Wu Xu, Ming-Yong Han
Colloidal AgGaS2 nanocrystals with an orthorhombic crystal structure were successfully synthesized for the first time and were found to display promising photocatalytic behavior.
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