Chem. Commun.

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Fluorometric assay of integrin activity with a small-molecular probe that senses the binding site microenvironment

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15894-15896
DOI: 10.1039/C4CC05591H, CommunicationToru Komatsu, Aoi Takeda, Kenjiro Hanaoka, Takuya Terai, Tasuku Ueno, Yukio Tada, Tetsuo Nagano, Yasuteru Urano
We have developed a small-molecular probe, consisting of cyclic RGD pentapeptide bearing a nitrobenzoxadiazole fluorophore at the 4[prime or minute]-residue, which detects integrin [small alpha]V[small beta]3 activity in terms of fluorescence intensity decrease.
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Two act as one: unexpected dimers of catechol direct a solid-state [2+2] photodimerization in a six-component hydrogen-bonded assembly

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15960-15962
DOI: 10.1039/C4CC07747D, CommunicationGiannis S. Papaefstathiou, Andrew J. E. Duncan, Leonard R. MacGillivray
Catechol self-assembles as a dimer to function as template that directs a [2+2] photodimerization in the solid state.
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Mechanical grinding of a single-crystalline metal-organic framework triggered emission with tunable violet-to-orange luminescence

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15956-15959
DOI: 10.1039/C4CC08316D, CommunicationJian-Ke Sun, Cheng Chen, Li-Xuan Cai, Cai-Xia Ren, Bin Tan, Jie Zhang
For the first time, a Borromean entangled metal-organic framework has been explored as a novel platform for developing mechanochromic luminescence with unique on-off switching and tunable multicolor emission.
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A click-and-release approach to CO prodrugs

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15890-15893
DOI: 10.1039/C4CC07748B, CommunicationDanzhu Wang, Emilie Viennois, Kaili Ji, Krishna Damera, Alexander Draganov, Yueqing Zheng, Chaofeng Dai, Didier Merlin, Binghe Wang
Carbon monoxide belongs to the family of signaling molecules and has been shown to possess therapeutic effects.
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A 3D MOF showing unprecedented solvent-induced single-crystal-to-single-crystal transformation and excellent CO2 adsorption selectivity at room temperature

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15886-15889
DOI: 10.1039/C4CC06588C, CommunicationTao Qin, Jun Gong, Junhan Ma, Xin Wang, Yonghua Wang, Yan Xu, Xuan Shen, Dunru Zhu
A multifunctional MOF material showing rare solvent-induced structural transformation with substitution of bridging-water and guest-exchange at 298 K is reported.
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Sub-20 nm-Fe3O4 square and circular nanoplates: synthesis and facet-dependent magnetic and electrochemical properties

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15952-15955
DOI: 10.1039/C4CC06064D, CommunicationTao Luo, Qiang-Qiang Meng, Chao Gao, Xin-Yao Yu, Yong Jia, Bai Sun, Zhen Jin, Qun-Xiang Li, Jin-Huai Liu, Xing-Jiu Huang
We present an effective method to synthesize 15 nm magnetite nanocrystals with the morphology of square and circular nanoplates, which expose (001) facet and (111) facet, respectively.
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Self-assembled graphene oxide microcapsules with adjustable permeability and yolk-shell superstructures derived from atomized droplets

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15867-15869
DOI: 10.1039/C4CC07734B, CommunicationWanbin Li, Yufan Zhang, Zehai Xu, Asang Yang, Qin Meng, Guoliang Zhang
Graphene oxide is self-assembled on atomized droplets to obtain microcapsules with adjustable permeability and yolk-shell superstructures by a spray-drying strategy.
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Direct C-H difluoromethylenephosphonation of arenes and heteroarenes with bromodifluoromethyl phosphonate via visible-light photocatalysis

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15916-15919
DOI: 10.1039/C4CC07925F, CommunicationLin Wang, Xiao-Jing Wei, Wen-Long Lei, Han Chen, Li-Zhu Wu, Qiang Liu
Direct C-H difluoromethylenephosphonation of arenes and heteroarenes with bromodifluoromethyl phosphonate under visible-light irradiation is achieved through addition of phosphonodifluoromethyl (PDFM) radicals to aromatic rings.
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Toll-like receptor agonist lipopeptides self-assemble into distinct nanostructures

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15948-15951
DOI: 10.1039/C4CC07511K, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ian W. Hamley, Steven Kirkham, Ashkan Dehsorkhi, Valeria Castelletto, Mehedi Reza, Janne Ruokolainen
The self-assembled structure of toll-like receptor agonist lipopeptides containing the CSK4 peptide sequence is examined in aqueous solution.
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A highly efficient asymmetric synthesis of quaternary stereocenter-containing indolizidine and quinolizidine alkaloids using aldehydes, nitroalkenes, and unactivated cyclic ketimines

22 November, 2014 - 21:54

Chem. Commun., 2014, 50,15913-15915
DOI: 10.1039/C4CC07703B, CommunicationYu Tan, Yong-Jian Chen, Hua Lin, Han-Lin Luan, Xing-Wen Sun, Xiao-Di Yang, Guo-Qiang Lin
A highly efficient approach to the construction of indolizidines and quinolizidines bearing a bridged quaternary stereocenter has been established in a one-pot fashion using aldehydes, nitroalkenes, and cyclic ketimines.
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Acetylene bubble-powered autonomous capsules: towards in situ fuel

20 November, 2014 - 21:17

Chem. Commun., 2014, 50,15849-15851
DOI: 10.1039/C4CC07218A, CommunicationJames Guo Sheng Moo, Hong Wang, Martin Pumera
A fuel-free autonomous self-propelled motor powered by acetylene bubbles is illustrated.
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Continuous synthesis of graphene sheets by spray pyrolysis and their uses as catalysts for fuel cells

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08197H, CommunicationJian Nong Wang, Biao Zou, Xiao Xia Wang, Xin Xin Huang
Graphene sheets (GNS) were synthesized continuously by spray pyrolysis of iron carbonyl and pyridine. The Pt catalyst supported on GNS exhibited an excellent durability for oxygen reduction reaction (ORR). The...
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Preparation of reduced graphite oxide with high volumetric capacitance in supercapacitor

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08038F, CommunicationYueming Li, Dan Zhao
Reduced graphite oxide with high density was prepared via a novel precipitation assisted method, and micropore area is found to be above 70% in the total surface area for as...
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Dynamic Stereoisomerization in Inherently Chiral Bimetallic [2]Catenanes

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07392D, CommunicationAli Trabolsi, Thirumugan Prakasam, Matteo Lusi, Elisa Nauha, John-Carl Olsen, mohamadou Sy, Carlos Platas-Iglesias, Loic Charbonniere
Stereoisomerization and the unprecedented phenomenon of metal translocation in the absence of redox processes were probed in two inherently chiral bimetallic [2]catenanes by using a combination of variable-temperature 1H NMR...
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A Nile Blue Based Infrared Fluorescent Probe: Imaging tumors that over-express Cyclooxygenase-2

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08915D, CommunicationJiangli Fan, Benhua Wang, Xianwu Wang, Hao Zhu, Jingyun Wang, Huiying Mu, Xiaojun Peng
The first Golgi-localized cyclooxygenase-2 (COX-2)-specific near-infrared (NIR) fluorescence probe, Niblue-C6-IMC, able to detect cancer cells was designed. Importantly, Niblue-C6-IMC preferentially labeled the tumors in mouse tumor model with deep tissue...
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3-Pyrrolyl-oxindoles as efficient nucleophiles for organocatalytic asymmetric synthesis of structurally diverse 3,3'-disubstituted oxindole derivatives

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08364D, CommunicationBao-Dong Cui, Yong You, Jian-Qiang Zhao, Jian Zuo, Zhi-Jun Wu, Xiao-Ying Xu, Xiao-Mei Zhang, Weicheng Yuan
A range of 3-pyrrolyl-3,3'-disubstituted oxindoles were smoothly obtained via the reaction of 3-pyrrolyl-oxindoles with nitroalkenes by organocatalyst. The usefulness of the protocol was also demonstrated by the versatile conversions of...
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Oligonucleotide-capped mesoporous silica nanoparticles as DNA-responsive dye delivery systems for genomic DNA detection

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08306G, CommunicationLluis Pascual, Isabel Baroja, Elena Aznar, Felix Sancenon, Maria Dolores Marcos, Jose R. Murguia, Pedro Amoros del Torro, Knut Rurack, Ramon Martinez-Manez
New hybrid oligonucleotide-capped mesoporous silica nanoparticles able to detect genomic DNA were designed
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Ternary synthesis of colloidal Zn3P2 quantum dots

20 November, 2014 - 21:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08068H, CommunicationBenjamin A. Glassy, Brandi M. Cossairt
The synthesis and characterization of crystalline colloidal zinc phosphide quantum dots with observable excitonic transitions ranging between 424-535 nm (2.3-2.9 eV) are reported.
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A bio-catalytically driven Janus mesoporous silica cluster motor with magnetic guidance

20 November, 2014 - 21:17

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08285K, CommunicationXing Ma, Samuel Sanchez
A bio-catalytic Janus motor based on the mesoporous silica cluster (JMSC) is fabricated.
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A hyperbranched supramolecular polymer constructed by orthogonal triple hydrogen bonding and host-guest interactions

20 November, 2014 - 21:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08533G, CommunicationDahui Qu, Ruirui Gu, Jian Yao, Xin Fu, Wei Zhou
A hyperbranched supramolecular polymer has been constructed through orthogonal self-crosslinking by two classical binding interactions: triple hydrogen bonding interaction between a three-arm melamine derivative and DB24C8-containing bisimide and host-guest interaction...
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