Chem. Commun.

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Shear induced fabrication of intertwined single walled carbon nanotube rings

1 September, 2014 - 01:17

Chem. Commun., 2014, 50,11295-11298
DOI: 10.1039/C4CC03126A, CommunicationKasturi Vimalanathan, Xianjue Chen, Colin L. Raston
Stable nanorings of SWCNTs devoid of surfactants are accessible by combining liquid-liquid interfacial tension and mechanoenergy within an energy efficient thin film microfluidic vortex fluidic device (VFD).
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Synergistic combination therapy using a lipid shell-droplet core nanosphere with tunable thickness

1 September, 2014 - 01:17

Chem. Commun., 2014, 50,11291-11294
DOI: 10.1039/C4CC02717E, CommunicationChia-Wei Su, Ting-Hsi Fan, Wei-Ming Li, San-Yuan Chen
A combinational drug delivery carrier composed of an internal droplet core and a thickness-controllable shell was developed to co-deliver paclitaxel, doxorubicin and quantum dots simultaneously for acting on different biological signaling pathways synergistically and achieving in vitro fluorescence imaging, chemotherapeutic and oxidation therapy.
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Direct allylation of aromatic and [small alpha],[small beta]-unsaturated carboxamides under ruthenium catalysis

1 September, 2014 - 01:17

Chem. Commun., 2014, 50,11303-11306
DOI: 10.1039/C4CC03354J, CommunicationMirim Kim, Satyasheel Sharma, Neeraj Kumar Mishra, Sangil Han, Jihye Park, Minyoung Kim, Youngmi Shin, Jong Hwan Kwak, Sang Hoon Han, In Su Kim
The ruthenium-catalyzed oxidative allylation of aromatic and [small alpha],[small beta]-unsaturated carboxamides with allylic carbonates is described.
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Hydrogenation of amides catalyzed by a combined catalytic system of a Ru complex with a zinc salt

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11211-11213
DOI: 10.1039/C4CC04481A, CommunicationYusuke Kita, Takafumi Higuchi, Kazushi Mashima
Hydrogenation of unactivated amides has been achieved by using the combined catalytic system of a ruthenium catalyst with a zinc salt.
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Molecular crystals by design?

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11079-11082
DOI: 10.1039/C4CC04972A, ViewpointEdward R. T. Tiekink
In this Viewpoint, the impact of the paper published by Gautam R. Desiraju and Angelo Gavezzotti (J. Chem. Soc., Chem. Commun., 1989, 621) upon the development of Crystal Engineering, now recognised a key discipline in contemporary chemical/pharmaceutical/materials science, is discussed.
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Geometric and redox flexibility of pyridine as a redox-active ligand that can reversibly accept one or two electrons

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11114-11117
DOI: 10.1039/C4CC05495D, CommunicationRichard A. Lewis, K. Cory MacLeod, Brandon Q. Mercado, Patrick L. Holland
A low-coordinate iron(I) species can reversibly reduce pyridine by one or two electrons, through changes in C-C bonding.
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Self-assembly of a tripeptide into a functional coating that resists fouling

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11154-11157
DOI: 10.1039/C4CC03578J, CommunicationSibaprasad Maity, Sivan Nir, Tal Zada, Meital Reches
A short peptide (tripeptide) self-assembles into a supramolecular functional coating with antifouling activity. This coating can be useful in applications where the adsorption of proteins, bacteria and other organisms should be avoided.
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Enzyme immobilised novel core-shell superparamagnetic nanocomposites for enantioselective formation of 4-(R)-hydroxycyclopent-2-en-1-(S)-acetate

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11185-11187
DOI: 10.1039/C4CC05358C, CommunicationManeea Eizadi Sharifabad, Ben Hodgson, Mourad Jellite, Tim Mercer, Tapas Sen
One step conversion of meso-cyclopent-2-en-1,4-diacetate to pharmaceutically important chiral isomers using enzymes immobilised novel high surface area core-shell superparamagnetic nanoparticles.
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Anion-[small pi] interactions and positive electrostatic potentials of N-heterocycles arise from the positions of the nuclei, not changes in the [small pi]-electron distribution

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11118-11121
DOI: 10.1039/C4CC05304D, CommunicationSteven E. Wheeler, Jacob W. G. Bloom
The positive ESPs that underlie anion-binding by N-heterocycles do not stem from a depletion of [small pi]-electron density, as widely assumed.
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Cyclotrimerization of arylalkynes on Au(111)

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11200-11203
DOI: 10.1039/C4CC02859G, CommunicationJia Liu, Pascal Ruffieux, Xinliang Feng, Klaus Mullen, Roman Fasel
Cyclotrimerization of arylalkynes on Au(111) proceeds readily at modest temperatures, and affords two-dimensional covalently bonded polyphenylene networks.
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Identification of bromophenol thiohydantoin as an inhibitor of DisA, a c-di-AMP synthase, from a 1000 compound library, using the coralyne assay

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11234-11237
DOI: 10.1039/C4CC02916J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Yue Zheng, Jie Zhou, David A. Sayre, Herman O. Sintim
Bromophenol-TH was identified as the first non-nucleotide inhibitor of DisA, a c-di-AMP synthase, using the coralyne assay to screen 1000 compounds.
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Thermally activated polymorphic transition from a 1D ribbon to a 2D carpet: squaric acid on Au(111)

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11230-11233
DOI: 10.1039/C4CC05794E, CommunicationKan Ueji, Jaehoon Jung, Junepyo Oh, Kazuo Miyamura, Yousoo Kim
Polymorphic transition from the 1D ribbon to the 2D carpet superstructure of squaric acid molecules on Au(111) was achieved through a thermally activated process.
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A bistable switch in pH in urease-loaded alginate beads

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11107-11109
DOI: 10.1039/C4CC03936J, CommunicationF. Muzika, T. Bansagi, I. Schreiber, L. Schreiberova, A. F. Taylor
A bistable switch from a low pH (unreacted "off") state to a high pH (reacted "on") state was obtained in enzyme-loaded gel beads in response to supra-threshold substrate concentrations.
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Local protonation control using plasmonic activation

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11204-11207
DOI: 10.1039/C4CC04642K, CommunicationPushkar Singh, Volker Deckert
Spatial control of a protonation reaction under ambient conditions is demonstrated utilizing localized surface plasmons.
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Dendrimersomes with photodegradable membranes for triggered release of hydrophilic and hydrophobic cargo

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11122-11125
DOI: 10.1039/C4CC05161K, CommunicationAli Nazemi, Elizabeth R. Gillies
Amphiphilic Janus dendrimers with fully photodegradable hydrophobic blocks were synthesized and assembled into dendrimersomes in water. Irradiation with UV light triggered the release of hydrophobic and hydrophilic cargo.
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Oxygen etching of thick MoS2 films

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11226-11229
DOI: 10.1039/C4CC03911D, CommunicationRobert Ionescu, Aaron George, Isaac Ruiz, Zachary Favors, Zafer Mutlu, Chueh Liu, Kazi Ahmed, Ryan Wu, Jong S. Jeong, Lauro Zavala, K. Andre Mkhoyan, Mihri Ozkan, Cengiz S. Ozkan
Oxygen annealing of thick MoS2 films results in randomly oriented and controllable triangular etched shapes, forming pits with uniform etching angles.
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Sulfur copolymer nanowires with enhanced visible-light photoresponse

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11208-11210
DOI: 10.1039/C4CC05574H, CommunicationSifei Zhuo, Yi Huang, Cuibo Liu, Huan Wang, Bin Zhang
Sulfur copolymer nanowires have been reported for the first time as highly stable visible-light-active photocatalysts for photoelectrochemical water splitting depending on their size and sulfur content. The as-prepared sulfur copolymer nanowires can serve as a sulfur source and templates to create metal sulfide/copolymer heterocatalysts.
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A drastic substituent effect on the emission properties of quinone diimine models and valuable insight into the excited states of emeraldine

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11214-11217
DOI: 10.1039/C4CC05178E, CommunicationMohammed Abdelhameed, Adam Langlois, Daniel Fortin, Paul-Ludovic Karsenti, Pierre D. Harvey
The ([small alpha]-NR,[small alpha][prime or minute]-NR,N,N[prime or minute]-(C6H4C[triple bond, length as m-dash]CSiMe3)4)[Q] models ([Q] = -N[double bond, length as m-dash]C6H4[double bond, length as m-dash]N-) show upper excited state emission Sn [rightward arrow] S0 (n > 1, R = Boc), similar to emeraldine, vs. an emission S1 [rightward arrow] S0 (R = H), driven by a large change in dihedral angles.
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Template-derived carbon: an unexpected promoter for the creation of strong basicity on mesoporous silica

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11192-11195
DOI: 10.1039/C4CC04742G, CommunicationLin-Bing Sun, Xiao-Yan Liu, Ai-Guo Li, Xiao-Dan Liu, Xiao-Qin Liu
Template-derived carbon can promote low-temperature creation of strongly basic catalytic sites on mesoporous silica with the preservation of an ordered mesostructure.
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A hydrophobic hole transporting oligothiophene for planar perovskite solar cells with improved stability

28 August, 2014 - 00:54

Chem. Commun., 2014, 50,11196-11199
DOI: 10.1039/C4CC04680C, CommunicationLingling Zheng, Yao-Hsien Chung, Yingzhuang Ma, Lipei Zhang, Lixin Xiao, Zhijian Chen, Shufeng Wang, Bo Qu, Qihuang Gong
An oligothiophene derivative with high hydrophobicity was synthesized and functioned as HTM for perovskite solar cells without an ion additive, resulting in improved device stability than that observed when using Li-TFSI doped spiro-MeOTAD.
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