Chem. Commun.

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Water-soluble plasmonic nanosensors with synthetic receptors for label-free detection of folic acid

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9678-9681
DOI: 10.1039/C5CC01489A, CommunicationRanda Ahmad, Nordin Felidj, Leila Boubekeur-Lecaque, Stephanie Lau-Truong, Sarra Gam-Derouich, Philippe Decorse, Aazdine Lamouri, Claire Mangeney
Gold nanorods were coated by molecularly imprinted polymers for the selective detection of folic acid using surface-enhanced Raman scattering.
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Optical gain from polyfluorene keto defects in a liquid crystal mixture

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9686-9689
DOI: 10.1039/C5CC02145F, CommunicationS. Bolis, M. Celebrano, L. Ghirardini, M. Finazzi, C. Botta, J. Beeckman, P. Kockaert, T. Virgili
Confocal photoluminescence measurements and fs pump-probe spectroscopy to observe a polarized gain region from keto defects in polyfluorene isolated chains.
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Copper(I)-catalyzed carbon-halogen bond-selective boryl substitution of alkyl halides bearing terminal alkene moieties

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9655-9658
DOI: 10.1039/C5CC02760H, CommunicationHiroaki Iwamoto, Koji Kubota, Eiji Yamamoto, Hajime Ito
The carbon-halogen bond-selective borylation of alkyl halides bearing terminal C[double bond, length as m-dash]C double bonds has been achieved using a copper(I) catalyst. This reaction represents a useful complementary approach to conventional procedures for the borylative cyclization reported in our previous work.
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Thioamides in the collagen triple helix

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9624-9627
DOI: 10.1039/C5CC02685G, CommunicationRobert W. Newberry, Brett VanVeller, Ronald T. Raines
To probe noncovalent interactions within the collagen triple helix, backbone amides were replaced with a thioamide isostere.
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Decarboxylative Reissert type trifluoro- and trichloro-methylation of (iso)quinoline derivatives in batch and continuous flow

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9651-9654
DOI: 10.1039/C5CC02807H, CommunicationM. Therkelsen, M. T. Rasmussen, A. T. Lindhardt
Copper-free decarboxylative trifluoro- and trichloromethylation of isoquinoline and quinoline derivatives through Reissert type reactions in batch and telescoped continuous flow.
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The dual role of borohydride depending on reaction temperature: synthesis of iridium and iridium oxide

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9690-9693
DOI: 10.1039/C5CC03182F, CommunicationKalapu Chakrapani, S. Sampath
Temperature dependent reaction products are observed when borohydride is present in aqueous solutions containing Ir3+.
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Tailoring metal-oxide interfaces of inverse catalysts of TiO2/nanoporous-Au under hydrogen oxidation

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9620-9623
DOI: 10.1039/C5CC02832A, CommunicationKamran Qadir, Bui Thi Phuong Quynh, Hyosun Lee, Song Yi Moon, Sang Hoon Kim, Jeong Young Park
The catalytic activity of nanoporous Au prepared from a Au-Si alloy is enhanced by engineering Au-TiO2 interfaces under H2 oxidation.
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The fluorescence regulation mechanism of the paramagnetic metal in a biological HNO sensor

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9616-9619
DOI: 10.1039/C5CC00787A, CommunicationWenjing Yang, Xuebo Chen, Huizhen Su, Weihai Fang, Yong Zhang
A theoretical model was developed to reveal the origin of paramagnetic metal induced fluorescence quenching.
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Spiroboronate Si-rhodamine as a near-infrared probe for imaging lysosomes based on the reversible ring-opening process

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9608-9611
DOI: 10.1039/C5CC02496J, CommunicationWeiwei Zhu, Xiaoyun Chai, Baogang Wang, Yan Zou, Ting Wang, Qingguo Meng, Qiuye Wu
A cyclic boronate structure was incorporated into Si-rhodamine to design a pH-activatable near-infrared (NIR) probe based on the reversible ring-opening process.
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Synthesis of trapezohedral indium oxide nanoparticles with high-index {211} facets and high gas sensing activity

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9612-9615
DOI: 10.1039/C5CC02029H, CommunicationXiguang Han, Xiao Han, Linqiang Sun, Shengguang Gao, Liang Li, Qin Kuang, Zhaoxiong Xie, Chao Wang
Trapezohedron-shaped (TS) In2O3 particles with exposed high-index {211} facets were successfully synthesized in an oleic acid (OA) and trioctylamine (TOA) system. It exhibited high gas sensing properties.
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sp2-sp3 diboranes: astounding structural variability and mild sources of nucleophilic boron for organic synthesis

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9594-9607
DOI: 10.1039/C5CC02316E, Feature ArticleRian D. Dewhurst, Emily C. Neeve, Holger Braunschweig, Todd B. Marder
The synthesis, structures and immense synthetic potential of sp2-sp3 diboranes are reviewed and critically discussed.
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Robust enzyme-silica composites made from enzyme nanocapsules

31 May, 2015 - 21:17

Chem. Commun., 2015, 51,9628-9631
DOI: 10.1039/C5CC02053K, CommunicationJie Li, Xin Jin, Yang Liu, Fan Li, Linlin Zhang, Xianyuan Zhu, Yunfeng Lu
Novel enzyme composites are synthesized first by in situ polymerization around enzymes and a subsequent sol-gel process. Both the polymer shell and the silica shell with desired functional moieties provide not only great enzyme protection but also a favorable microenvironment, resulting in significantly enhanced activity and stability.
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Amphiphilic tertiary amine N-oxides: a mediated radical emulsion polymerization with non-formation of alkoxyamine dormant chains

27 May, 2015 - 20:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC02413G, CommunicationKaihua Shen, Debang Qi, Ying Li, Xinglin Zhao, Yang Li
Octadecylamine ethoxylate (EO = 5) N-oxides (AO-1805) were presented which are one kind of interfacial tertiary amine N-oxides that differs from TEMPO derivatives.
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Copper(I)-photocatalyzed trifluoromethylation of alkenes

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9571-9574
DOI: 10.1039/C5CC01923K, CommunicationR. Beniazza, F. Molton, C. Duboc, A. Tron, N. D. McClenaghan, D. Lastecoueres, J.-M. Vincent
Using the photoreducible CuII precatalyst 2, trifluoromethylation of terminal alkenes can be conducted at low copper loading on exposing the reaction mixture to sunlight/ambient light.
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Using RecA protein to enhance kinetic rates of DNA circuits

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9503-9506
DOI: 10.1039/C5CC02261D, CommunicationJ. N. Milligan, A. D. Ellington
RecA, a recombination enzyme that catalyzes sequence specific strand exchange, increases the rate of DNA circuitry up to 9-fold.
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Cobalt(II)/silver relay catalytic isocyanide insertion/cycloaddition cascades: a new access to pyrrolo[2,3-b]indoles

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9519-9522
DOI: 10.1039/C5CC02754C, CommunicationQian Gao, Peng Zhou, Feng Liu, Wen-Juan Hao, Changsheng Yao, Bo Jiang, Shu-Jiang Tu
The combination of Co(acac)2 and AgOTf enables the bimetallic relay catalysis reaction of 2-ethynylanilines and isocyanides, allowing an easy and low-cost access to new densely functionalized pyrrolo[2,3-b]indoles.
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Organocatalyzed oxidative N-annulation for diverse and polyfunctionalized pyridines

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9467-9470
DOI: 10.1039/C5CC01807B, CommunicationHari Datta Khanal, Yong Rok Lee
A variety of polyfunctionalized pyridines were synthesized from readily available ketones with [small alpha],[small beta]-unsaturated aldehydes and ammonium acetate under a mild organocatalyst.
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Super-paramagnetic nano-Fe3O4/graphene for visible-light-driven hydrogen evolution

27 May, 2015 - 20:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01925G, CommunicationWenyan Zhang, Chao Kong, Gongxuan Lu
In this work, a super-paramagnetic nano-architecture, which could be separated and re-dispersed easily for reuse, was designed for effective visible-light-driven H2 evolution. The photo-catalytic performance was remarkably enhanced by the electron-transfer and surface-repair ability of graphene, and the high activity of the exposed Pt(111) facet.
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Unveiling epimerization effects: a rotational study of [small alpha]-D-galactose

27 May, 2015 - 20:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C5CC01783A, CommunicationIsabel Pena, Carlos Cabezas, Jose L. Alonso
Four conformers of [small alpha]-D-galactose have been detected in the gas phase by laser ablation coupled with broadband Fourier transform microwave spectroscopy.
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A highly robust metal-organic framework based on an aromatic 12-carboxyl ligand with highly selective adsorption of CO2 over CH4

27 May, 2015 - 20:17

Chem. Commun., 2015, 51,9463-9466
DOI: 10.1039/C5CC01281C, CommunicationHongming He, Yang Song, Chuanqi Zhang, Fuxing Sun, Rongrong Yuan, Zheng Bian, Lianxun Gao, Guangshan Zhu
A stable microporous anionic MOF based on a dendritic aromatic 12-carboxyl ligand was synthesized, which demonstrates high Qst for CO2 and highly selective gas adsorption of CO2 over CH4.
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