Chem. Commun.

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Structural requirements for anti-oxidant activity of calix[n]arenes and their associated anti-bacterial activity

17 December, 2014 - 03:54

Chem. Commun., 2015, 51,851-854
DOI: 10.1039/C4CC08576K, CommunicationE. K. Stephens, Y. Tauran, A. W. Coleman, M. Fitzgerald
We define the structural requirements for antioxidant activity of calix[n]arenes and relate these findings to the differential antibacterial activity of these calix[n]arenes against Gram+ and Gram- bacteria.
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Facile synthesis of gold and gold-based alloy nanowire networks using wormlike micelles as soft templates

17 December, 2014 - 03:54

Chem. Commun., 2015, 51,843-846
DOI: 10.1039/C4CC08549C, CommunicationXinpei Gao, Fei Lu, Bin Dong, Yizhi Liu, Yanan Gao, Liqiang Zheng
Zwitterionic wormlike micelles with AuCl4- counterions were fabricated for the first time as the soft templates for colloidal synthesis of gold and gold-based alloy nanowire networks.
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A Ni(II)-MOF: reversible guest adsorption and heterogeneous catalytic properties for silylcyanation of aromatic aldehydes

17 December, 2014 - 03:54

Chem. Commun., 2015, 51,839-842
DOI: 10.1039/C4CC08003C, CommunicationXiao-Meng Zhang, Chao-Wei Zhao, Jian-Ping Ma, Yang Yu, Qi-Kui Liu, Yu-Bin Dong
A I2[subset or is implied by]Ni(II)-MOF can be used as a highly active heterogeneous catalyst to promote solvent-free silylcyanation of aromatic aldehydes under mild conditions.
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Carbaborane-based alkynylphosphanes and phospholes

17 December, 2014 - 03:54

Chem. Commun., 2015, 51,836-838
DOI: 10.1039/C4CC08449G, CommunicationAnika Kreienbrink, Menyhart B. Sarosi, Robert Kuhnert, Peter Wonneberger, Anna I. Arkhypchuk, Peter Lonnecke, Sascha Ott, Evamarie Hey-Hawkins
1,2-Bis(N,N-dimethyl-aminochlorophosphanyl)-1,2-dicarba-closo-dodecaborane(12) reacts with lithiated phenylacetylene to give a carbaboranyl-based phosphane, while alkynylchlorophosphanes and dilithiated carbaborane give bis(alkynylphosphanyl)carbaboranes.
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Selective disruption of each part of Janus molecular assemblies by lateral diffusion of stimuli-responsive amphiphilic peptides

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08686D, CommunicationMotoki Ueda, Akihiro Uesaka, Shunsaku Kimura
Stimuli-responsive Janus-type assemblies with a round-bottom flask shape are prepared from amphiphilic helical peptides using the patchwork self-assembly technique.
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In situ preparation of 3D graphene aerogels@hierarchical Fe3O4 nanoclusters as high rate and long cycle anode materials for lithium ion batteries

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08949A, CommunicationLishuang Fan, Bingjiang Li, David W. Rooney, Naiqing Zhang, Kening Sun
We describe a novel strategy for in situ fabrication of hierarchical Fe3O4 nanoclusters-GAs. Fe3O4 NCs-GAs deliver excellent rate capability and a high reversible capacity of 577 mAh g-1 over 300 cycles at the current density of 5.2 A g-1.
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Inhomogenous doping induced the imperfect self-assembly of nanocrystals for the synthesis of porous AgPb10BiTe12 nanosheets and their thermoelectric transport properties

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07515C, CommunicationQun Wang, Yuanyuan Fang, Hang Yin, Jianjun Li
For the first time, quaternary single-crystal-like porous AgPb10BiTe12 nanosheets in two solid forms (solid solution and a Bi-rich region coexist) were achieved. A significant enhancement of thermoelectric performance was realized through nanoscale grain boundaries and macroscale porous structures.
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Acidically oxidized carbon cloth: a novel metal-free oxygen evolution electrode with high catalytic activity

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07120D, CommunicationNingyan Cheng, Qian Liu, Jingqi Tian, Yurui Xue, Abdullah M. Asiri, Hongfang Jiang, Yuquan He, Xuping Sun
Acidic treatment of carbon cloth (CC) leads to oxidized CC (OCC) which serves as an efficient metal-free oxygen evolution electrode.
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Gold finger formation studied by high-resolution mass spectrometry and in silico methods

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07490D, CommunicationU. A. Laskay, C. Garino, Y. O. Tsybin, L. Salassa, A. Casini
Combining high-resolution MS and QM/MM studies to investigate the reactivity of gold compounds with zinc finger domains at a molecular level.
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Carbon coated K0.8Ti1.73Li0.27O4: a novel anode material for sodium-ion batteries with a long cycle life

15 December, 2014 - 03:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08051C, CommunicationKong-yao Chen, Wu-xing Zhang, Yang Liu, Hua-ping Zhu, Jian Duan, Xing-hua Xiang, Li-hong Xue, Yun-hui Huang
A breakthrough has been made for layered K0.8Ti1.73Li0.27O4 as an anode material in sodium ion batteries via gaseous carbon coating, demonstrating a high capacity, excellent rate capability and long cycling life.
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Synthesis, Structure and Dehydrogenation of Zirconium Borohydride Octaammoniate

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09317H, CommunicationJianmei Huang, Yingbin Tan, Jiahao Su, Qinfen Gu, Radovan Cerny, Liuzhang Ouyang, Dalin Sun, Xuebin Yu, min zhu
A new metal borohydride ammoniate (MBA), Zr(BH4)4[middle dot]8NH3 was synthesized via ammoniation of Zr(BH4)4 crystal. The Zr(BH4)4[middle dot]8NH3 has a distinctive structure and the highest coordination number of NH3 groups among all...
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Small molecular neutral microcrystalline iridium(III) complexes as promising molecular oxygen sensors

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07252A, CommunicationMing Li, baozhan zheng, Daibing Luo, Huiqin Sun, Ning Wang, Yan Huang, Jun Dai, Dan Xiao, Shi-Jian Su, Zhiyun Lu
Small molecular neutral Ir(III) complexes have been demonstrated to be promising self-inclusive microcrystalline thin-film oxygen sensors with relatively high sensitivity (Ksv = 6.41), good stability, and linear Stern-Volmer behavior (R2...
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Synergism between polyurethane and polydopamine in the synthesis of Ni-Fe alloy monoliths

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07534J, CommunicationThangavel Nareshkumar, Santhana Sivabalan, Naveen Chandrasekaran, Phani KLN
Herein, we report the first synthesis of light-weight macroporous 3-D alloy monolith of Ni-Fe/C using synergism between polydopamine (pDA) and polyurethane (pU); in situ formed polyurethane (pU) enables efficient mixing...
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Switching adhesion and friction by light using photosensitive guest-host interactions

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09204J, CommunicationJohanna Blass, Bianca Liliana Bozna, Marcel Albrecht, Jennifer Krings, Bart Jan Ravoo, Gerhard Wenz, Roland Bennewitz
Friction and adhesion between two [small beta]-cyclodextrin functionalized surfaces can be switched reversibly by external light stimuli. The interaction between the cyclodextrin molecules attached to the tip of an atomic force...
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Photobiocatalytic decarboxylation for olefin synthesis

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07276F, CommunicationIoannis Zachos, Sarah Gassmeyer, Daniel Bauer, Volker Sieber, Frank Hollmann, Robert Kourist
Natural fats represent an important renewable feedstock for the chemical industry. However, the scope of methodologies for their manipulation is limited. We present a biocatalytic approach for the oxidative decarboxylation...
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Three Dimensional Nano-assemblies of Noble Metal Nanoparticles-Infinite Coordination Polymers as A Specific Oxidase Mimetic for Degradation of Methylene Blue without Adding Cosubstrate

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08089K, CommunicationLihua Wang, Yi Zeng, Aiguo Shen, Xiaodong Zhou, Jiming Hu
Novel three-dimensional (3D) nano-assemblies of noble metal nanoparticles (NPs)-infinite coordination polymers (ICPs) are conveniently fabricated through the infiltration of HAuCl4 into hollow Au@Ag@ICPs core-shell nanostructures and its replacement reaction with...
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Thyminate(2-)-bridged cyclic tetranuclear rhodium(III) complexes formed by a template of a sodium, calcium or lanthanoid ion

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09087J, CommunicationAyana Kashima, Mika Sakate, Hiromi Ota, Akira Fuyuhiro, Yukinari Sunatsuki, Takayoshi Suzuki
In the thyminate(2-)-bridged tetranuclear Cp*RhIII complexes incorporating a Na+, Ca2+ or Ln3+ cation, a homochiral aggregation of four RhIII centres was achieved to form metallacalix[4]arene-type clusters. The thyminate(2-) bridged two...
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Near Infrared Activation of an Anticancer PtIV Complex by Tm-Doped Upconverting Nanoparticles

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07960D, CommunicationEmmanuel Ruggiero, Javier Hernandez-Gil, Juan Mareque Rivas, Luca Salassa
The PtIV complex cis,cis,trans-[Pt(NH3)2(Cl)2(O2CCH2CH2CO2H)2] is photoactivated by near infrared light (980 nm) using NaYF4:Yb3+/Tm3+@NaYF4 core-shell upconversion nanoparticles. Coupling of this cisplatin precursor with the biocompatible PEGylated phospholipid DSPE-PEG(2000)-NH2 affords a...
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Stable dispersions of azide functionalized ferromagnetic metal nanoparticles

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06126H, CommunicationCorinne Jacqueline Hofer, Vladimir Zlateski, Philipp R. Stoessel, Daniela Paunescu, Elia Michael Schneider, Robert N. Grass, Martin Zeltner, Wendelin Jan Stark
Ferromagnetic nanoparticles are covalently modified in order to enhance the dispersion stability as well as the antifouling properties. Insertion of an azide moiety allows "click"-reaction of a relevant tag molecule....
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A novel fluoro-chromogenic click reaction for the labelling of proteins and nanoparticles with near-IR theranostic agents

15 December, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC09070E, CommunicationOriol Planas, Thibault Gallavardin, Santi Nonell
Reaction of porphycene isothiocyanates with primary and secondary amines leads to the formation of thiazolo[4,5-c]porphycenes, with a substantial shift in the absorption and fluorescence spectra. The conjugates show fluorescence in...
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