Chem. Commun.

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Conformational change and biocatalysis-triggered spectral shift of single Au nanoparticles

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5480-5483
DOI: 10.1039/C4CC01335B, CommunicationYun Zhao, Ya-Kai He, Jing Zhang, Feng-Bin Wang, Kang Wang, Xing-Hua Xia
The conformational change of guanine-rich DNA and the biocatalytic process of DNAzyme are observed directly on single gold nanoparticles through NPPR spectra.
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Anisotropic growth of the thiophene-based layer on Si(111)-B

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5484-5486
DOI: 10.1039/C4CC01674B, CommunicationA. Rochefort, Y. Makoudi, A. Maillard, J. Jeannoutot, J. Blier, F. Cherioux, F. Palmino
Large scale STM simulation of an anisotropic array of thiophene-based molecules on Si(111)-B.
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A facile and general route to 3-((trifluoromethyl)thio)benzofurans and 3-((trifluoromethyl)thio)benzothiophenes

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5494-5496
DOI: 10.1039/C4CC01904K, CommunicationJie Sheng, Congbin Fan, Jie Wu
The reactions of trifluoromethanesulfanylamide with 1-methoxy-2-alkynylbenzenes or methyl(2-alkynylphenyl)sulfanes promoted by BiCl3 proceed smoothly, leading to 3-((trifluoromethyl)thio)benzofurans and 3-((trifluoromethyl)thio)benzothiophenes in good yields.
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Defocused differential interference contrast microscopy imaging of single plasmonic anisotropic nanoparticles

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5500-5502
DOI: 10.1039/C4CC01567C, CommunicationJi Won Ha, Ning Fang
The scattered light from a gold nanorod aligned closer to the polarization directions enables us to resolve its spatial orientation under a defocused DIC microscope.
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A CO2-responsive pillar[5]arene: synthesis and self-assembly in water

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5503-5505
DOI: 10.1039/C4CC01704H, CommunicationKecheng Jie, Yong Yao, Xiaodong Chi, Feihe Huang
The aggregate morphology of a novel CO2-responsive pillar[5]arene in water was reversibly controlled between toroid-like assemblies and irregular aggregates by bubbling CO2 and N2 repeatedly. Furthermore, this pillar[5]arene self-assembled into micelles after the treatment with HCl.
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A carbon-coated TiO2(B) nanosheet composite for lithium ion batteries

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5506-5509
DOI: 10.1039/C4CC01888E, CommunicationZhenyu Sun, Xing Huang, Martin Muhler, Wolfgang Schuhmann, Edgar Ventosa
C-coated TiO2(B) synthesized by the hydrolysis of TiCl3 followed by vacuum annealing delivers excellent performance as an anode for Li-ion batteries.
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Use of solvent to regulate the degree of polymerisation in weakly associated supramolecular oligomers

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5497-5499
DOI: 10.1039/C4CC01514B, CommunicationSteffen Bahring, Dong Sub Kim, Troels Duedal, Vincent M. Lynch, Kent A. Nielsen, Jan O. Jeppesen, Jonathan L. Sessler
A tetrathiafulvalene functionalised calix[4]pyrrole (TTF-C[4]P; 1) and alkyl diester-linked bis-dinitrophenols (2-4) interact to form self-associated species whose character depends on linker length and solvent polarity.
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In situ assembly of well-dispersed gold nanoparticles on hierarchical double-walled nickel silicate hollow nanofibers as an efficient and reusable hydrogenation catalyst

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5447-5450
DOI: 10.1039/C4CC01286K, CommunicationRenxi Jin, Yang Yang, Yunfeng Li, Lin Fang, Yan Xing, Shuyan Song
A facile route to fabricate ultrafine AuNPs immobilized on double-walled nickel silicate hollow nanofibers assembled by nanosheets has been developed.
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Enzyme-based inverse opals: a facile and promising platform for fabrication of biocatalysts

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5490-5493
DOI: 10.1039/C4CC01721H, CommunicationYanjun Jiang, Cuicui Cui, Yan Huang, Xu Zhang, Jing Gao
A novel concept of enzyme-based inverse opals is proposed for fabricating high-performance biocatalysts.
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A supramolecular Co(II)14-metal-organic cube in a hydrogen-bonded network and a Co(II)-organic framework with a flexible methoxy substituent

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5441-5443
DOI: 10.1039/C3CC49698H, CommunicationSuvendu Sekhar Mondal, Asamanjoy Bhunia, Alexandra Kelling, Uwe Schilde, Christoph Janiak, Hans-Jurgen Holdt
The reaction of 4,5-dicyano-2-methoxyimidazole (L1) with Co(NO3)2[middle dot]6H2O under solvothermal conditions in DMF, a MOF, IFP-8 and a hydrogen-bonded network consisting of tetradecanuclear Co(II)14-metal-organic cube (1) are achieved.
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Sterically controlled self-assembly of tetrahedral M6L4 cages via cationic N-donor ligands

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5469-5472
DOI: 10.1039/C3CC49663E, CommunicationAnssi Peuronen, Samu Forsblom, Manu Lahtinen
Inter-ligand steric effects dictate the self-assembly between tripodal cationic ligand L and MII (M = Cu, Pd) generating an unusual tetrahedral M6L4 cage instead of the expected M6L8 species.
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Biocatalytic amide condensation and gelation controlled by light

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5462-5464
DOI: 10.1039/C4CC01431F, CommunicationJugal Kishore Sahoo, Siva Krishna Mohan Nalluri, Nadeem Javid, Hannah Webb, Rein V. Ulijn
We report on a supramolecular self-assembly system that displays coupled light switching, biocatalytic condensation/hydrolysis and gelation.
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A two-step O- to C-glycosidic bond rearrangement using complementary glycosyltransferase activities

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5465-5468
DOI: 10.1039/C4CC00536H, CommunicationAlexander Gutmann, Corinna Krump, Linda Bungaruang, Bernd Nidetzky
A 2[prime or minute]-O- to 3[prime or minute]-C-glucosidic bond rearrangement on the flavonoid-like aglycon phloretin was catalysed with perfect atom economy by coupled uridine 5[prime or minute]-diphosphate dependent O- and C-glycosyltransferase activities.
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A quasi-solid-state rechargeable lithium-oxygen battery based on a gel polymer electrolyte with an ionic liquid

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5458-5461
DOI: 10.1039/C4CC01243G, CommunicationKyu-Nam Jung, Ji-In Lee, Jong-Hyuk Jung, Kyung-Hee Shin, Jong-Won Lee
A lithium-oxygen battery based on a gel polymer electrolyte with an ionic liquid operates for repeated discharge-charge cycles.
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A cascade reaction based fluorescent probe for rapid and selective fluoride ion detection

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5510-5513
DOI: 10.1039/C4CC01665C, CommunicationArundhati Roy, Dnyaneshwar Kand, Tanmoy Saha, Pinaki Talukdar
A cascade reaction-based colorimetric and fluorescent probe for selective fluoride ion detection is reported. The probe displays a fast response (t1/2 = 2.41 min) and 550-fold fluorescence enhancement during sensing of the ions. Application of the probe in live cell imaging is demonstrated.
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Cyclo-oligo-(1 [rightward arrow] 6)-[small beta]-D-glucosamine based artificial channels for tunable transmembrane ion transport

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5514-5516
DOI: 10.1039/C3CC49490J, CommunicationTanmoy Saha, Arundhati Roy, Marina L. Gening, Denis V. Titov, Alexey G. Gerbst, Yury E. Tsvetkov, Nikolay E. Nifantiev, Pinaki Talukdar
Unimolecular ion channels were designed by functionalization of a new type of cyclic oligosaccharides, cyclo-oligo-(1 [rightward arrow] 6)-[small beta]-D-glucosamines, with pentabutylene glycol chains. Their ion transporting activity was tuned by varying oligomericity. A halide selectivity sequence, Cl- > Br- > I- was observed.
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Chemical control of the monovalent-divalent electron-transfer phase transition in biferrocenium-TCNQ salts

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5473-5475
DOI: 10.1039/C4CC01296H, CommunicationTomoyuki Mochida, Yusuke Funasako, Kousuke Takazawa, Masashi Takahashi, Michio M. Matsushita, Tadashi Sugawara
An ionic molecular crystal of (dineopentylbiferrocene)(F1TCNQ)3 exhibits a phase transition from a monovalent state (D+A3-) to a divalent state (D2+A32-) at around 120 K.
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Four-component strategy for selective synthesis of azepino[5,4,3-cd]indoles and pyrazolo[3,4-b]pyridines

28 April, 2014 - 18:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC00740A, CommunicationBo Jiang, Qin Ye, Wei Fan, Shu-Liang Wang, Shu-Jiang Tu, Guigen Li
One-pot multicomponent formations of azepino[5,4,3-cd]indoles and pyrazolo[3,4-b]pyridines have been established with great scope and efficiency.
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Asymmetric synthesis of heteroaryl atropisomers via a gold-catalyzed cycloisomerization-amination cascade reaction

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5451-5454
DOI: 10.1039/C4CC01397B, CommunicationRui Guo, Kang-Nan Li, Bin Liu, Hua-Jie Zhu, Yu-Meng Fan, Liu-Zhu Gong
The chiral gold(I) complex enables enantioselective cycloisomerization-amination of 2-(alkynyl)phenyl boronic acids and diazenes in high yields.
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Fast responding and selective near-IR Bodipy dye for hydrogen sulfide sensing

28 April, 2014 - 18:54

Chem. Commun., 2014, 50,5455-5457
DOI: 10.1039/C4CC00762J, CommunicationTugba Ozdemir, Fazli Sozmen, Sevcan Mamur, Turgay Tekinay, Engin U. Akkaya
A Bodipy based, highly selective probe for hydrogen sulfide has been designed, synthesized and demonstrated to detect H2S in living cells.
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