Chem. Commun.

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Reporting transient molecular events by DNA strand displacement

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03291H, CommunicationZhiyu Liu, Chengde Mao
Transient formation of DNA triplexes was reported by coupling with a permanent strand displacement reaction.
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Rhodanine dye-based small molecule acceptors for organic photovoltaic cells

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01695E, CommunicationYujeong Kim, Chang Eun Song, Sang-Jin Moon, Eunhee Lim
Two small molecule acceptors, composed of carbazole or fluorene cores and rhodanine dye ends, were synthesized and their high OPV performances up to 3.08% were demonstrated.
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Blending conjugated polymers without phase separation for fluorescent colour tuning of polymeric materials through FRET

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03594A, CommunicationChengjun Pan, Kazunori Sugiyasu, Masayuki Takeuchi
Conjugated polymers encapsulated by the identical cyclic sidechains afford an effective host-guest ensemble for designing fluorescent polymeric materials.
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Visible-light-enhanced Suzuki-Miyaura coupling reaction by cooperative photocatalysis with an Ru-Pd bimetallic complex

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03682D, CommunicationKohsuke Mori, Masayoshi Kawashima, Hiromi Yamashita
A photo-assisted Suzuki-Miyaura coupling reaction has been realized by a molecule Pd(II) complex containing a Ru(II)-polypyridyl derivative as a visible light photosensitizing unit.
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Selective ratiometric detection of H2O2 in water and in living cells with boronobenzo[b]quinolizinium derivatives

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02283A, CommunicationRoberta Bortolozzi, Sebastian von Gradowski, Heiko Ihmels, Katy Schafer, Giampietro Viola
Fluorimetric detection of H2O2 is accomplished in water and in living cells by quantitative reaction of boronobenzo[b]quinolizinium derivatives with the analyte.
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Conversion of ([small eta]5-C2B9H10R)TaX3 (X = Me, NMe2) to ([small eta]6-C2B9H10R)TaX[prime or minute] (X[prime or minute] = NMe2, azaallyl) in the absence of a reducing agent: synthesis and structure of tantallacarboranes incorporating an arachno-[small

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03981E, CommunicationLi Xiang, Zuowei Xie
A facile conversion of nido-[small eta]5-C2B9H10R2- to arachno-[small eta]6-C2B9H10R4- in tantallacarboranes has been achieved via external coordination ligand promoted reductive elimination in the absence of any reducing agents.
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Cytochrome P450 enzyme functionalized-quantum dots as photocatalysts for drug metabolism

20 June, 2014 - 07:17

Chem. Commun., 2014, 50,7607-7610
DOI: 10.1039/C4CC01717J, CommunicationXuan Xu, Jing Qian, Jiachao Yu, Yuanjian Zhang, Songqin Liu
A light-controlled drug metabolism system was successfully designed by using cytochrome P450 2C9 (CYP2C9) functionalized CdTe QDs as photocatalysts.
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Progressive acylation of pyrene engineers solid state packing and colour via C-HH-C, C-HO and [small pi]-[small pi] interactions

20 June, 2014 - 07:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01897D, CommunicationShinaj K. Rajagopal, Abbey M. Philip, Kalaivanan Nagarajan, Mahesh Hariharan
Sandwich herringbone-herringbone-brickwork-columnar crystal ordering, achieved through successive Friedel-Crafts acylation of pyrene, forms the basis for diverse solid-state colouring and blue-green-orange fluorescent crystals.
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Use of residual dipolar couplings in conformational analysis of meta-disubstituted calix[4]arenes

20 June, 2014 - 07:17

Chem. Commun., 2014, 50,7590-7592
DOI: 10.1039/C4CC02274B, CommunicationLukas Vrzal, Karolina Flidrova, Tomas Tobrman, Hana Dvorakova, Pavel Lhotak
The RDC techniques can be successfully applied to describe the unusual dynamic behaviour of calixarenes with a unique substitution pattern - meta-disubstituted calixarenes.
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Oxamato-based coordination polymers: recent advances in multifunctional magnetic materials

20 June, 2014 - 07:17

Chem. Commun., 2014, 50,7569-7585
DOI: 10.1039/C4CC01734J, Feature ArticleThais Grancha, Jesus Ferrando-Soria, Maria Castellano, Miguel Julve, Jorge Pasan, Donatella Armentano, Emilio Pardo
The design and synthesis of novel examples of multifunctional magnetic materials based on the so-called coordination polymers (CPs) have become very attractive for chemists and physicists due to their potential applications in nanoscience and nanotechnology.
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Charge-transfer-featured materials-promising hosts for fabrication of efficient OLEDs through triplet harvesting via triplet fusion

20 June, 2014 - 07:17

Chem. Commun., 2014, 50,7586-7589
DOI: 10.1039/C4CC00576G, CommunicationJie Zhou, Ping Chen, Xu Wang, Yan Wang, Yi Wang, Feng Li, Minghui Yang, Yan Huang, Junsheng Yu, Zhiyun Lu
An ICT-featured compound with a small [capital Delta]EST but a lower lying 3[small pi][small pi]* state than 3CT state is demonstrated to show P-type rather than E-type delay fluorescence, and is a quite promising OLED host.
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In situ TEM ion irradiation and implantation effects on Au nanoparticle morphologies

20 June, 2014 - 07:17

Chem. Commun., 2014, 50,7593-7596
DOI: 10.1039/C3CC49479A, CommunicationDaniel Bufford, Sarah H. Pratt, Timothy J. Boyle, Khalid Hattar
Radiation stability and morphological evolution of Au nanoparticles examined by in situ ion irradiation transmission electron microscopy.
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Sodium-cutting: a new top-down approach to cut open nanostructures on nonplanar surfaces on a large scale

18 June, 2014 - 06:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02409E, CommunicationWei Chen, Da Deng
A new, low-cost and simple top-down approach, "sodium-cutting", was demonstrated which could eventually lead to the development of "sodium lithography".
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Covalent, sequence-specific attachment of long DNA molecules to a surface using DNA-templated click chemistry

18 June, 2014 - 06:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02900C, CommunicationGary R. Abel, Blessing Huynh Cao, Jason E. Hein, Tao Ye
We present a novel method that covalently and sequence-specifically attaches long DNA molecules to a surface that is compatible with high-resolution atomic force microscopy (AFM) imaging.
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The binder effect on an oxide-based anode in lithium and sodium-ion battery applications: the fastest way to ultrahigh performance

18 June, 2014 - 06:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02657H, CommunicationJun Ming, Hai Ming, Won-Jin Kwak, Changdae Shin, Junwei Zheng, Yang-Kook Sun
A positive effect of the polyacrylic acid-carboxymethyl cellulose binder to enhance the performance of an oxide-based anode was reported in batteries.
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Stimuli-responsive blue fluorescent supramolecular polymers based on a pillar[5]arene tetramer

18 June, 2014 - 06:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03105A, CommunicationNan Song, Dai-Xiong Chen, Yu-Chen Qiu, Xiao-Yue Yang, Bin Xu, Wenjing Tian, Ying-Wei Yang
Tetraphenylethene-functionalized pillarenes form stimuli-responsive blue fluorescent polymers and gels with neutral guest linkers, through the formation-deformation of A4/B2-type supramolecular polymers.
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Three-dimensional carbon nanotube networks with a supported nickel oxide nanonet for high-performance supercapacitors

18 June, 2014 - 06:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02725F, CommunicationMao-Sung Wu, Yo-Ru Zheng, Guan-Wei Lin
Porous carbon nanotube networks with an attached NiO nanonet make the transport of electrons and the electrolyte easier, showing an excellent capacitive behavior.
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Ring expansion of cyclic 1,2-diols to form medium sized rings via ruthenium catalyzed transfer hydrogenative [4+2] cycloaddition

18 June, 2014 - 06:54

Chem. Commun., 2014, 50,7545-7547
DOI: 10.1039/C4CC03983A, CommunicationZachary A. Kasun, Laina M. Geary, Michael J. Krische
Using improved conditions for ruthenium(0) catalyzed diol-diene cycloaddition, fused [n.4.0] bicycles (n = 3-6) are formed, which upon exposure to iodosobenzene diacetate engage in oxidative cleavage to form the 9-12 membered rings.
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Highly effective copper-mediated gem-difluoromethylenation of arylboronic acids

18 June, 2014 - 06:54

Chem. Commun., 2014, 50,7527-7530
DOI: 10.1039/C4CC03321C, CommunicationGuobin Ma, Wen Wan, Qingyang Hu, Haizhen Jiang, Jing Wang, Shizheng Zhu, Jian Hao
A simple and highly efficient Cu-mediated gem-difluoromethylenation of a variety of aryl boronic acids with bromodifluoromethylated heterocyclic compounds has been disclosed. The transformations were performed in air at room temperature without ligands, bases, or additives.
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Catalytic hetero-ene reactions of 5-methyleneoxazolines: highly enantioselective synthesis of 2,5-disubstituted oxazole derivatives

18 June, 2014 - 06:54

Chem. Commun., 2014, 50,7524-7526
DOI: 10.1039/C4CC02809K, CommunicationWeiwei Luo, Jiannan Zhao, Chengkai Yin, Xiaohua Liu, Lili Lin, Xiaoming Feng
A simple and efficient catalytic asymmetric hetero-ene reaction of 5-methyleneoxazolines with 1,2-dicarbonyl compounds (including [small alpha]-ketoesters and glyoxal derivatives) was realized using Ni(II)-N,N[prime or minute]-dioxide complexes as the catalysts.
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