Chem. Commun.

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Acetal-linked branched poly(dimethyl-aminoethyl methacrylate) as an acid cleavable gene vector with reduced cytotoxicity

25 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06728B, CommunicationHongliang Cao, Yixiao Dong, Ahmed Aied, Tianyu Zhao, Xin Chen, Wenxin Wang, Abhay Pandit
Acid labile branched PDMAEMA/acetal copolymer with amino group was synthesized by the DE-ATRP and followed by Michael addition. The degradation of the polymer was strongly pH-dependent. High nucleic acid transfection...
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Photocatalytic Aerobic oxidation of amine to imine on BiVO4 with visible light

25 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07097F, CommunicationCan Li, Bo Yuan, Ruifeng Chong, bao zhang, Jun Li, Yan Liu
BiVO4 was found to be an efficient photocatalyst under visible light irradiation for selective oxidation of amines to imines with high activity (99% conversion) and selectivity (up to 99%) using...
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Electrically-driven modulation of surface-grafted RGD peptides for manipulation of cell adhesion

25 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06649A, CommunicationPaula Mendes, Minhaj Lashkor, Frankie James Rawson, Alex Stepheson-Brown, Jon Preece
Reported herein is a switchable surface that relies on electrically-induced conformational changes within surface-grafted arginine-glycine-aspartate (RGD) oligopeptides as the means of modulating cell adhesion.
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Fluorescent Polymers from Non-Fluorescent Photoreactive Monomers

25 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07792J, CommunicationJan Mueller, Dominik Voll, Friedrich Schmidt, Guillaume Delaittre, Christopher Barner-Kowollik
A facile, fast and ambient-temperature avenue towards highly fluorescent polymers is introduced via polymerizing non-fluorescent photoreactive monomers based on light-induced NITEC chemistry, providing a platform technology for fluorescent polymers. The...
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Supramolecular Copolymer from Two-component gel: Metal Ion-Mediated Cross-Linking, Enhanced Viscoelasticity and Supramolecualr Yarn

25 October, 2014 - 14:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07813F, CommunicationLing Wang, Yaqing Liu, Zhaocun Shen, Tianyu Wang, Minghua Liu
The hydrogels based on the co-assembly of bolaamphiphilic L-histidine and 2,2'-bipyridine-dicarboxylic acid have been transformed into viscoelastic supramolecular polymers by cross-linking with Cu(II) ions, and macroscopic supramolecular yarns were obtained...
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Highly enantioselective Michael addition of 3-arylthio- and 3-alkylthiooxindoles to nitroolefins catalyzed by a simple cinchona alkaloid derived phosphoramide

25 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06417H, CommunicationWei-Ming Gao, Jin-Sheng Yu, Yu-Lei Zhao, Yun-Lin Liu, Feng Zhou, Hai-Hong Wu, Jian Zhou
A new cinchonidine derived bifunctional phosphoramide C1e is identified as a highly enantioselective catalyst for the Michael addition of 3-thiooxindoles to nitroolefins. The phosphoramide moiety of C1e plays an indispensable role in this reaction.
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DNAzyme-based biosensors and nanodevices

25 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06855F, Feature ArticleLiang Gong, Zilong Zhao, Yi-Fan Lv, Shuang-Yan Huan, Ting Fu, Xiao-Bing Zhang, Guo-Li Shen, Ru-Qin Yu
DNAzymes, screened through in vitro selection, have shown great promise as molecular tools in the design of biosensors and nanodevices.
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Cytosine-bulge-dependent fluorescence quenching for the real-time hairpin primer PCR

25 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06780K, CommunicationF. Takei, X. Chen, G. Yu, T. Shibata, C. Dohno, K. Nakatani
PCR progress could be monitored upon increasing the fluorescence using ligand-anchored hairpin primer.
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Aurophilically cross-linked "dynamic" hydrogels mimicking healthy synovial fluid properties

25 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05735J, CommunicationPablo Casuso, Adrian Perez-San Vicente, Haizea Iribar, Araika Gutierrez-Rivera, Ander Izeta, Iraida Loinaz, German Cabanero, Hans-Jurgen Grande, Ibon Odriozola, Damien Dupin
We report a new supramolecular dynamic hydrogel, based on a new concept of reversible aurophilic cross-linker, mimicking the rheological behaviour of healthy synovial fluid at physiological conditions with good cell viability.
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Magnetic blocking in extended metal atom chains: a pentachromium(II) complex behaving as a single-molecule magnet

25 October, 2014 - 14:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06693F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.A. Cornia, L. Rigamonti, S. Boccedi, R. Clerac, M. Rouzieres, L. Sorace
Enforced in an almost perfectly axial coordination environment, the terminal chromium(II) ion of a linear pentanuclear complex exhibits single-molecule magnet properties in its S = 2 ground state.
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Exploitation of the Majority Rules Effect for the Accurate Measurement of High Enantiomeric Excess Values Using CD Spectroscopy

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07927B, CommunicationHelen Maria Seifert, Yun-Bao Jiang, Eric V Anslyn
A new method for lowering the error of CD based methods for measuring high enantiomeric excess values is described, which exploits the majority rules effect exhibited by certain helical polymers....
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Influence of Moisture on the Preparation, Crystal Structure, and Photophysical Properties of Organohalide Perovskites

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05231E, CommunicationKelsey Kaitlyn Bass, Robert Eric McAnally, Shiliang Zhou, Peter Ivan Djurovich, Mark Thompson, Brent Melot
The effect of preparing lead-based organohalide perovskites under inert conditions has been investigated. We find that when prepared under anhydrous conditions, only amorphous powders were obtained. On exposure to small...
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Self-Assembly of NIR Luminescent 30-metal Drum-like and 12-metal Rectangular-like d-f Nanoclusters with Long-chain Schiff Base Ligands

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07174C, CommunicationXiaoping Yang, Zongping Li, Shiqing Wang, Shaoming Huang, Desmond Schipper, Richard A Jones
Two classes of heterobimetallic d-f nanoclusters [Ln6Cd24(L1)11(OAc)43(OH)] and [Ln4Zn8(L2)2(OAc)20(OH)4] (Ln = Nd and Yb) were prepared using flexible long-chain Schiff base ligands which have (CH2)6 backbones. Their NIR luminescence properties...
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Stitch Graphene Oxide Sheets into Membrane at Liquid/Liquid Interface

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07558G, CommunicationLong Chen, Liangliang Huang, Jiahua Zhu
Layer-by-layer patterned GO membrane assembling at liquid/liquid interface was realized by using polyetheramine "stitching" molecules with adjustable hydrophobicity and its thickness can be easily tuned from nanometer to micrometer by...
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Dynamic structural transformations of coordination supramolecular systems upon exogenous stimuli

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06263A, Feature ArticleCheng-Peng Li, Jing Chen, Chun-Sen Liu, Miao Du
Reaction in the solid state, especially single-crystal-to-single-crystal (SC-SC) transformation, provides an appealing routeway to obtain the target crystalline materials with modified properties via a non-solvent green chemistry approach. This feature...
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Hydrothermal growth of highly oriented single crystalline Ta2O5 nanorod arrays and their conversion to Ta3N5 for efficient solar driven water splitting

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05673F, CommunicationZixue Su, Lei Wang, Sabina Grigorescu, Kiyoung Lee, Patrik Schmuki
We grow vertically aligned single crystalline Ta2O5 nanorod arrays that can be converted to a Ta3N5 nanorod array by nitridation. Combined with cobalt phosphate (Co-Pi) as a co-catalyst, such Ta3N5...
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Gold-catalyzed 1,2-Iminonitronations of Electron-deficient Alkynes with Nitrosoarenes to Afford [small alpha]-Imidoyl Nitrones

23 October, 2014 - 14:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06962E, CommunicationRai-Shung Liu, RahulKumar Rajmani Singh
Gold-catalyzed 1,2-iminonitronation of propiolate derivatives with nitrosoarenes to give [small alpha]-imidoyl nitrones are described; this new reactions are applicable to diverse propiolate derivatives and nitrosoarenes.
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Self-folded redox/acid dual-responsive nanocarriers for anticancer drug delivery

23 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07004F, CommunicationYue Lu, Ran Mo, Wanyi Tai, Wujin Sun, Dennis B. Pacardo, Chenggen Qian, Qundong Shen, Frances S. Ligler, Zhen Gu
Self-folded redox/acid dual-responsive nanocarriers (RAD-NCs) with targeting ligands are developed for physiologically triggered delivery of anticancer drugs.
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Control of absorption properties of tetraazaporphyrin group 15 complexes by modification of their axial ligands

23 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07408D, CommunicationTaniyuki Furuyama, Mitsuo Asai, Nagao Kobayashi
The first example of "stimuli-responsive" tetraazaporphyrin (TAP) group 15 complexes has been prepared. Optical properties of TAPs can be switched across the entire UV-vis region.
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Flash generation of [small alpha]-(trifluoromethyl)vinyllithium and application to continuous flow three-component synthesis of [small alpha]-trifluoromethylamides

23 October, 2014 - 14:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06709F, CommunicationAiichiro Nagaki, Shinya Tokuoka, Jun-ichi Yoshida
Flash chemistry enabled generation and reactions of short-lived [small alpha]-(trifluoromethyl)vinyllithium, and the method was successfully applied to three-component synthesis of [small alpha]-trifluoromethylamides.
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