Chem. Commun.

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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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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 - 01:54

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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Fabrication of nickel-foam-supported layered zinc-cobalt hydroxide nanoflakes for high electrochemical performance in supercapacitors

28 August, 2014 - 01:54

Chem. Commun., 2014, 50,11188-11191
DOI: 10.1039/C4CC05057F, CommunicationPeng Yuan, Ning Zhang, Dan Zhang, Tao Liu, Limiao Chen, Xiaohe Liu, Renzhi Ma, Guanzhou Qiu
Nickel foam supported Zn-Co hydroxide nanoflakes were fabricated by a facile solvothermal method, which exhibited excellent specific capacitance and remarkable cycling stability as electrode materials in supercapacitors.
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Formal [3+3] cycloaddition of indol-2-yl carbinol with azadiene and the oxidative ring expansion reaction for the synthesis of indole azepinones

28 August, 2014 - 01:54

Chem. Commun., 2014, 50,11181-11184
DOI: 10.1039/C4CC04995K, CommunicationXue Zhong, You Li, Jing Zhang, Wu-Xia Zhang, Shi-Xue Wang, Fu-She Han
We present an unprecedented reaction of a [3+3] cyclization of indol-2-yl carbinol with azadiene for the construction of a six-membered ring and the subsequent conversion of the six-membered ring into the indole azepinones through the oxidative ring expansion reaction.
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3D graphene network@WO3 nanowire composites: a multifunctional colorimetric and electrochemical biosensing platform

28 August, 2014 - 01:54

Chem. Commun., 2014, 50,11135-11138
DOI: 10.1039/C4CC04507F, CommunicationYe Ma, Minggang Zhao, Bin Cai, Wei Wang, Zhizhen Ye, Jingyun Huang
Combining colorimetric and electrochemical methods in one device, a recyclable freestanding 3D biosensor could detect H2O2, ascorbic acid and dopamine.
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A barium based coordination polymer for the activity assay of deoxyribonuclease I

28 August, 2014 - 01:54

Chem. Commun., 2014, 50,11177-11180
DOI: 10.1039/C4CC04272G, CommunicationChan Song, Guan-Yao Wang, Ya-Ling Wang, De-Ming Kong, Yong-Jian Wang, Yue Li, Wen-Juan Ruan
A new Ba CP with 2D inorganic connectivity was utilized in the activity assay of DNase I due to its distinct quenching ability for dye-labeled ssDNA probes with different lengths.
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Deformable nature of various damaged DNA duplexes estimated by an electrochemical analysis on electrodes

28 August, 2014 - 01:54

Chem. Commun., 2014, 50,11126-11128
DOI: 10.1039/C4CC04513K, CommunicationJ. Chiba, S. Aoki, J. Yamamoto, S. Iwai, M. Inouye
The local bending flexibility was electrochemically estimated for damaged DNA duplexes containing CPD, APTHF, and 6-4PP compared with those of their corresponding undamaged counterparts.
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