Chem. Commun.

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Copper-Catalyzed Olefinic C-H Difluoroacetylation of Enamides

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01994F, Communicationisabelle GILLAIZEAU, Xavier Pannecoucke, Thomas Poisson, Gilles Caillot, Marie-Charlotte Belhomme, laurence Grimaud, Jeremy Dufour
Copper-catalyzed olefinic difluoroacetylation of enamide via direct C-H bond functionalization using BrCF2CO2Et is reported for the first time. It constitutes an efficient radical-free method for the regioselective synthesis of [small beta]-difluoroester...
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Design of tetraplex specific ligands: cyclic naphthalene diimide

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01005A, CommunicationYugo Esaki, Md. Monirul Islam, Satoshi Fujii, Shinobu Sato, Shigeori Takenaka
Cyclic naphthalene diimide 1 bound to hybrid-type tetraplex DNA from 5'-AGGG(TTAGGG)3-3' (K=8.6 [times] 106 M-1) with 260-fold greater affinity than binding to double stranded oligonucleotide consisting of 5'-GGG AGG TTT...
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Alternating Copolymerization of Dihydrocoumarin and Epoxides Catalyzed by Chromium Salen Complexes: A New Route to Functional Polyesters

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01566E, CommunicationGeoff Coates, Nathan J Van Zee
We report the alternating ring-opening copolymerization of dihydrocoumarin with epoxides catalyzed by chromium(III) salen complexes. This process provides access to a range of perfectly alternating polyesters with high molecular weights...
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Underwater superoleophobic graphene oxide coated meshes for the separation of oil and water

14 April, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01408A, CommunicationYing Dong, Jing Li, Lei Shi, Xiaobo Wang, Zhiguang Guo, Weimin Liu
Hydrophilic graphene oxide as a building block is used for construction of nacre-inspired films exhibiting underwater superoleophobicity.
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Switching an O2 sensitive glucose oxidase bioelectrode into an almost insensitive by cofactor redesign

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01670J, CommunicationEmilie Tremey, Emmanuel Suraniti, Olivier Courjean, Sebastien Gounel, Claire Stines-Chaumeil, Frederic Louerat, Nicolas Mano
In the 5-8 mM glucose concentration range, of particular interest for diabetes management, glucose oxidase bioelectrodes are O2 dependent. Thereby decreasing their efficiencies. By replacing the natural cofactor of glucose...
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Self-decoration of Pt metal particles on TiO2 nanotubes used for highly efficient photocatalytic H2 production

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01287A, CommunicationS. N. Basahel, Kiyoung Lee, Robert Hahn, Patrik Schmuki, S. M. Bawaked, S. A. Al-Thabaiti
Pt decorated TiO2 has over the past decades been a key material for photocatalytic hydrogen production. The present work shows that growing anodic self-organized TiO2 nanotubes from Ti-Pt alloy with...
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All-Round Robustness of the Mn19 Coordination Cluster System: Experimental Validation of a Theoretical Prediction

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01264J, CommunicationAnnie K Powell, Manase Ako, Yanhua Lan, Christopher Anson, Eliseo Ruiz, Eduard Cremades
Experimental and theoretical studies indicate that achieving the maximum possible ground spin state of ST = 83/2 spin ground state for the mixed-valent Mn19 coordination cluster is insensitive to replacement...
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A Fluorescent Molecular Probe for the Identification of Zinc and Cadmium Salts by Excited State Charge Transfer Modulation

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC00379A, CommunicationKizhumuri P Divya, S. Savithri, Ayyappanpillai Ajayaghosh
A fluorescent probe for the identification of a given metal salt is not known. Herein we present a new fluorescent probe 1 for the identification of different zinc and cadmium...
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Biosynthesis of the antibiotic tropodithietic acid by the marine bacterium Phaeobacter inhibens

14 April, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01924E, CommunicationNelson L. Brock, Alexander Nikolay, Jeroen S. Dickschat
The biosynthesis of the antibiotic tropodithietic acid from Phaeobacter inhibens was investigated in a combined feeding, knockout and bioinformatic study.
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A Tetranaphthoimidazolium Receptor as a Fluorescence Chemosensor for Phytate

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02036G, CommunicationMinji Lee, Jong Hun Moon, Eun Jin Jun, Gyoungmi Kim, Yong-Uk Kwon, JIN YONG LEE, Juyoung Yoon
A new tetranaphthoimidazolium receptor was synthesized and reported as a selective fluorescent chemosensor for phytate, myo-inositol hexakisphosphate (IP6). In a 100% aqueous solution at pH 7.4, chemosensor 1 showed a...
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Template Effect of Solvents for High Yield Synthesis, co-Cyclization of Pillar[6]arenes and Interconversion between Pillar[5]- and pillar[6]arenes

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01968G, CommunicationTomoki Ogoshi, Naosuke Ueshima, Tomohiro Akutsu, Daiki Yamafuji, Takuya Furuta, Fumiyasu Sakakibara, Tada-aki Yamagishi
For the first time, we have successfully synthesized a pillar[6]arene in high yield, and a co-pillar[6]arene under thermodynamically controlled cyclization process using chlorocyclohexane as a templating solvent.
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Asymmetric dinuclear bis(dipyrrinato)zinc(II) complexes: Broad absorption and unidirectional quantitative exciton transmission

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01573H, CommunicationMizuho Tsuchiya, Ryota Sakamoto, Shinpei Kusaka, Yasutaka Kitagawa, Mitsutaka Okumura, Hiroshi Nishihara
Asymmetric, heteroleptic dinuclear bis(dipyrrinato)zinc(II) complexes were synthesized and demonstrated to collect a wide range of light across the UV and visible regions (340-655 nm). The complexes also conveyed excitons across...
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Label-free detection of C-reactive protein using highly dispersible gold nanoparticles synthesized by reducible biomimetic block copolymers

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01855A, CommunicationYasuhiko Iwasaki, Toshihiro Kimura, Masaki Orisaka, Hideya Kawasaki, Tatsuro Goda, Shinichi Yusa
Biomimetic block copolymer-protected gold nanoparticles (AuNPs) were prepared by autoreduction. Excellent colloidal stability of the AuNPs was observed at a high salt concentration and over a wide pH range. Functional...
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A genetically encoded aldehyde for rapid protein labelling

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02000F, CommunicationWenshe Liu, Alfred Tuley, Yan-Jiun Lee, Bo Wu, Zhiyong U. Wang
Using a mutant pyrrolysyl-tRNA synthetase-tRNA_CUA^Pyl pair, 3-formyl-phenylalanine is genetically incorporated into proteins at amber mutation sites in Escherichia coli. This non-canonical amino acid readily reacts with hydroxylamine dyes, leading to...
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Nitric oxide release triggered by two-photon excited photoluminescence from engineered nanomaterials

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01126K, CommunicationLianjiang Tan, Ajun Wan, Xiaomin Zhu, Huili Li
A new strategy toward controllable release of NO for therapeutic purpose is described. Mn2+-doped ZnS quantum dots with NIR-II to visible upconversion properties were encapsulated by chitosan, with which photochemical...
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Impact of molecular charge on GLUT-specific cellular uptake of glucose bioprobes and in vivo application of the glucose bioprobe, GB2-Cy3

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC00955J, CommunicationJongmin Park, Jung In Um, Ala Jo, Jinho Lee, Da-Woon Jung, Darren Williams, Seung Bum Park
The molecular charge of fluorescence bioprobes has recently received much attention due to its influence on cellular uptakes. Herein, we demonstrated the effect of molecular charge of glucose bioprobes to...
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Synthesis route and growth mechanism of aligned GaN nanobelts

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01303D, CommunicationChenlong Chen, Mitch M. C. Chou, Tao Yan, Huichun Huang, Cheng-Ying James Lu, Chienhui Chen
Crystallographically aligned GaN nanobelt arrays were synthesized through a hybrid process of Au-assisted nucleation followed by non-Au-assisted anisotropy vapor-solid growth on (100) [gamma]-LiAlO2 substrate. To the best of our knowledge,...
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Loofah-like gel network formed by the self-assembly of 3D radial symmetric organic/inorganic hybrid gelator

14 April, 2014 - 15:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC01604A, CommunicationGuodong Tang, Si Chen, Feng Ye, Xiaopeng Xu, Jing Fang, Xu Wang
We reported a unique loofah-like gel network that is supported by the sectional type hexagonal columnar assembly of the flexuous furcate fibers which are constructed by the plane-to-plane stacking of...
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One-pot synthesis of magnetic particle-embedded porous carbon composites from metal-organic frameworks and their sorption properties

14 April, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01914H, CommunicationHee Jung Lee, Won Cho, Eunji Lim, Moonhyun Oh
Nano- and micro-composites comprised of porous carbon and magnetic particles are prepared by one-step pyrolysis of metal-organic frameworks (MOFs). The porosity and compositions of resulting materials are facilely regulated by altering the pyrolysis temperature and changing the organic building blocks incorporated within the initial MOFs.
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Li-Se battery: absence of lithium polyselenides in carbonate based electrolyte

14 April, 2014 - 15:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC00934G, CommunicationYanjie Cui, Ali Abouimrane, Cheng-Jun Sun, Yang Ren, Khalil Amine
The absence of lithium polyselenides in the Li-Se cell using carbonate based electrolyte prevents the occurrence of shuttle effect.
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