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Bio-specific and bio-orthogonal chemistries to switch-off the quencher of a FRET-based fluorescent probe: application to living-cell biothiol imaging

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10049-10051
DOI: 10.1039/C4CC03548H, CommunicationC. Egloff, S. A. Jacques, M. Nothisen, D. Weltin, C. Calligaro, M. Mosser, J.-S. Remy, A. Wagner
A quencher sensitive to both a biological metabolite (biothiols) and a bio-orthogonal reagent (dithionite) was developed.
The content of this RSS Feed (c) The Royal Society of Chemistry

Proteolytic stability of amphipathic peptide hydrogels composed of self-assembled pleated [small beta]-sheet or coassembled rippled [small beta]-sheet fibrils

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10133-10136
DOI: 10.1039/C4CC04644G, CommunicationRia J. Swanekamp, Jade J. Welch, Bradley L. Nilsson
Hydrogel networks composed of rippled [small beta]-sheet fibrils of coassembled D- and L-Ac-(FKFE)2-NH2 amphipathic peptides exhibit proteolytic stability and increased rheological strength compared to networks of self-assembled L-Ac-(FKFE)2-NH2 pleated [small beta]-sheet fibrils.
The content of this RSS Feed (c) The Royal Society of Chemistry

Adsorption of a dihydro-TTF derivative on Au(111) via a thiolate complex bonding to gold adatoms

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10140-10143
DOI: 10.1039/C4CC04130E, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Siddharth J. Jethwa, Federico Grillo, Herbert A. Fruchtl, Grant J. Simpson, Michael-John Treanor, Renald Schaub, Stephen M. Francis, Neville V. Richardson, R. Alan Aitken
A dihydro-TTF derivative was adsorbed on Au(111) via four thiolate ligands, it is determined that relatively little charge transfer occurs between the molecule and the substrate.
The content of this RSS Feed (c) The Royal Society of Chemistry

Dynamic nuclear polarisation NMR of nanosized zirconium phosphate polymer fillers

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10137-10139
DOI: 10.1039/C4CC02723J, CommunicationFabio Ziarelli, Mario Casciola, Monica Pica, Anna Donnadio, Fabien Aussenac, Claire Sauvee, Donatella Capitani, Stephane Viel
Surface functionalisation of multi-layered zirconium phosphate nanoparticles used as polymer fillers can be directly probed by dynamic nuclear polarisation NMR.
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Frustrated Lewis pair-mediated C-O or C-H bond activation of ethers

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10038-10040
DOI: 10.1039/C4CC01922A, CommunicationMichael H. Holthausen, Tayseer Mahdi, Christoph Schlepphorst, Lindsay J. Hounjet, Jan J. Weigand, Douglas W. Stephan
Protocols for the FLP-mediated transformation of ethers are presented.
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Cu1+ in HKUST-1: selective gas adsorption in the presence of water

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10144-10147
DOI: 10.1039/C4CC02327G, CommunicationNour Nijem, Hendrik Bluhm, May L. Ng, Martin Kunz, Stephen R. Leone, Mary K. Gilles
Photo-reduced Cu2+ in HKUST-1 adsorbs NO over water, underscoring the potential of MOFs with mixed oxidation metals for gas separation.
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Nanoscale insight into C-C coupling on cobalt nanoparticles

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10035-10037
DOI: 10.1039/C4CC03678F, CommunicationE. A. Lewis, C. J. Murphy, A. Pronschinske, M. L. Liriano, E. C. H. Sykes
A molecular-scale view of efficient and selective homocoupling of both aryl and benzyl groups on cobalt nanoparticles.
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A simple and reliable method for determining the delamination degree of nitrate and glycine intercalated LDHs in formamide

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10130-10132
DOI: 10.1039/C4CC05015K, CommunicationJunya Wang, Liang Huang, Yanshan Gao, Ruoyan Yang, Zhang Zhang, Zhanhu Guo, Qiang Wang
A simple and reliable method for determining the delamination degree of LDHs in formamide is reported.
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Gold nanoparticles as electron reservoir redox catalysts for 4-nitrophenol reduction: a strong stereoelectronic ligand influence

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10126-10129
DOI: 10.1039/C4CC04454A, CommunicationRoberto Ciganda, Na Li, Christophe Deraedt, Sylvain Gatard, Pengxiang Zhao, Lionel Salmon, Ricardo Hernandez, Jaime Ruiz, Didier Astruc
Gold nanoparticle-catalyzed p-nitrophenol reduction by NaBH4 is shown to strongly depend on the stereoelectronic ligand properties involving surface electron reservoirs.
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Unusual synergistic effects upon incorporation of Fe and/or Ni into mesoporous Co3O4 for enhanced oxygen evolution

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10122-10125
DOI: 10.1039/C4CC04922E, CommunicationChanglong Xiao, Xunyu Lu, Chuan Zhao
An unusual "destructive" synergistic effect makes Fe embedded mesoporous Co3O4 an efficient oxygen evolving electrocatalyst.
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Tunable reversible metallo-hydrogels: a new platform for visual discrimination of biothiols

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10118-10121
DOI: 10.1039/C4CC04743E, CommunicationWeiwei Fang, Cong Liu, Zhengwei Lu, Zheming Sun, Tao Tu
By using metallo-hydrogel as a new platform, a simple and straightforward selective visual discrimination of cysteine, homocysteine and glutathione from each other as well as from other amino acids has been realized by using a structure simple pincer Zn complex.
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Bimetallic alloy nanocrystals encapsulated in ZIF-8 for synergistic catalysis of ethylene oxidative degradation

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10115-10117
DOI: 10.1039/C4CC04479G, CommunicationYuanbiao Huang, Yaohong Zhang, Xuxing Chen, Dongshuang Wu, Zhiguo Yi, Rong Cao
PtPd alloy NCs encapsulated in ZIF-8 (PtPd@ZIF-8) were firstly prepared via a "bottle around ship" approach. The catalyst PtPd@ZIF-8 exhibited excellent synergistic photocatalytic activity in the transformation of ethylene into CO2 and H2O at room temperature.
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Regioselective alkylation of a methylene group via meta-bridging of calix[4]arenes

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10112-10114
DOI: 10.1039/C4CC04356A, CommunicationPetr Slavik, Hana Dvorakova, Vaclav Eigner, Pavel Lhotak
The presence of a fluorene moiety possessing acidic CH2 protons enables the regio- and stereo-selective alkylation of calixarenes at a specific position.
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Organic-inorganic mixed-valence systems with strongly-coupled triarylamine and cyclometalated osmium

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10082-10085
DOI: 10.1039/C4CC04268A, CommunicationHai-Jing Nie, Jiang-Yang Shao, Chang-Jiang Yao, Yu-Wu Zhong
Organic-inorganic mixed-valence systems with strongly-coupled triarylamine and cyclometalated osmium and redox-switchable NIR absorptions have been developed.
The content of this RSS Feed (c) The Royal Society of Chemistry

Adaptive behavior of a redox-active gallium carbenoid in complexes with molybdenum

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10108-10111
DOI: 10.1039/C4CC04019H, CommunicationIgor L. Fedushkin, Vladimir G. Sokolov, Alexander V. Piskunov, Valentine M. Makarov, Eugeny V. Baranov, Gleb A. Abakumov
A gallium-nitrogen heterocycle derived from 1,2-bis(imino)acenaphthene may serve either as a neutral or an anionic two-electron donor depending on the electronic state of the transition metal.
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Photoisomerisation and ligand-controlled reversible aggregation of azobenzene-functionalised gold nanoparticles

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10105-10107
DOI: 10.1039/C4CC02250E, CommunicationAnja Kohntopp, Alexandra Dabrowski, Michal Malicki, Friedrich Temps
Reversible photo-induced aggregation of azothiol-functionalised Au nanoparticles is controlled by the choice of an azothiol ligand and an alkylthiol coligand.
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Synthesis of U3Se5 and U3Te5 type polymorphs of Ta3N5 by combining high pressure-temperature pathways with a chemical precursor approach

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10041-10044
DOI: 10.1039/C4CC05147E, CommunicationAshkan Salamat, Katherine Woodhead, S. Imran U. Shah, Andrew L. Hector, Paul F. McMillan
Two new polymorphs of Ta3N5 were synthesised by high pressure, high temperature treatment of an amorphous precursor formed from pentakis(dimethylamido) tantalum and ammonia. The new phases form with the U3Se5 and U3Te5 structure types, in line with previous theoretical predictions.
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A zirconium squarate metal-organic framework with modulator-dependent molecular sieving properties

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10055-10058
DOI: 10.1039/C4CC03764B, CommunicationBart Bueken, Helge Reinsch, Nele Reimer, Ivo Stassen, Frederik Vermoortele, Rob Ameloot, Norbert Stock, Christine E. A. Kirschhock, Dirk De Vos
The guest uptake properties of a new squaric acid based zirconium metal-organic framework depend on the modulator used during synthesis.
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Engineering [small beta]-lactamase zymogens for use in protease activity assays

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10155-10157
DOI: 10.1039/C4CC04549A, CommunicationHajin Kim, Hyun Kyung Yoon, Tae Hyeon Yoo
In this report, we engineered [small beta]-lactamase zymogens and developed a sensitive protease assay method based on the precursor enzymes.
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Facile hydrothermal synthesis of CuFeO2 hexagonal platelets/rings and graphene composites as anode materials for lithium ion batteries

Chem. Commun. - 5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10151-10154
DOI: 10.1039/C4CC03534H, CommunicationYucheng Dong, Chenwei Cao, Ying-San Chui, Juan Antonio Zapien
Delafossite CuFeO2 hexagonal platelets/rings and graphene composites were synthesized by a low temperature hydrothermal method.
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