Chem. Commun.

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Control of cytochrome c redox reactivity through off-pathway modifications in the protein hydrogen-bonding network

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5355-5357
DOI: 10.1039/C3CC47943A, CommunicationJie Gu, Soyeun Yang, Alexander J. Rajic, Igor V. Kurnikov, Tatiana R. Prytkova, Ekaterina V. Pletneva
Mutations off the dominant electron-transfer pathways have strong effects on the redox reactivity of cytochrome c.
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Charge-modulated self-assembly and growth of conjugated polyelectrolyte-polyoxometalate hybrid networks

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5233-5235
DOI: 10.1039/C3CC47552B, CommunicationJudith E. Houston, Adam R. Patterson, Anil C. Jayasundera, Wolfgang Schmitt, Rachel C. Evans
The self-assembly of an anionic polyoxometalate (POM) with cationic [small pi]-conjugated polyelectrolytes (CPE) leads to hybrid supramolecular networks whose dimensionality is controlled by the chain length and steric charge distribution.
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Potent, selective small molecule inhibitors of type III phosphatidylinositol-4-kinase [small alpha]- but not [small beta]-inhibit the phosphatidylinositol signaling cascade and cancer cell proliferation

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5388-5390
DOI: 10.1039/C3CC48391F, CommunicationMichael J. Waring, David M. Andrews, Paul F. Faulder, Vikki Flemington, Jennifer C. McKelvie, Sarita Maman, Marian Preston, Piotr Raubo, Graeme R. Robb, Karen Roberts, Rachel Rowlinson, James M. Smith, Martin E. Swarbrick, Iris Treinies, Jon J. G. Winter, Robert J. Wood
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Dye-sensitized solar cells based on multichromophoric supramolecular light-harvesting materials

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5358-5360
DOI: 10.1039/C3CC47498D, CommunicationDillip K. Panda, Flynt S. Goodson, Shuvasree Ray, Sourav Saha
Dye-sensitized solar cells comprised of supramolecular light-harvesting zinc-phthalocyanineperyleneimide dyads on TiO2 films generate photoelectricity throughout the 300-650 nm region with the power conversion efficiency reaching up to 2.3% and the incident-photon-to-current-efficiency up to 40% under one-sun conditions.
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A small molecule that displays marked reactivity toward copper- versus zinc-amyloid-[small beta] implicated in Alzheimer's disease

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5301-5303
DOI: 10.1039/C3CC48473D, CommunicationMasha G. Savelieff, Yuzhong Liu, Russell R. P. Senthamarai, Kyle J. Korshavn, Hyuck Jin Lee, Ayyalusamy Ramamoorthy, Mi Hee Lim
A small molecule was designed for reactivity toward Cu(II)-amyloid-[small beta] over Zn(II)-amyloid-[small beta], which will expand on the development of chemical tools to uncover the role of metal-A[small beta] species in Alzheimer's disease.
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Negative area compressibility in silver(I) tricyanomethanide

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5264-5266
DOI: 10.1039/C3CC47032F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Sarah A. Hodgson, Jasper Adamson, Sarah J. Hunt, Matthew J. Cliffe, Andrew B. Cairns, Amber L. Thompson, Matthew G. Tucker, Nicholas P. Funnell, Andrew L. Goodwin
Under hydrostatic pressure, crystals of silver tricyanomethanide actually expand in two orthogonal directions.
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Counterion effects in the catalytic stereoselective synthesis of 2,3[prime or minute]-pyrrolidinyl spirooxindoles

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5242-5244
DOI: 10.1039/C3CC47767C, CommunicationJacob P. MacDonald, Benjamin H. Shupe, John D. Schreiber, Annaliese K. Franz
A Lewis acid-catalyzed stereoselective [3+2] annulation of crotylsilanes with iminooxindoles is reported to access 2,3[prime or minute]-pyrrolidinyl spirooxindoles with four stereocenters.
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Manipulating the optical properties of symmetrically branched Au/Pd nanocrystals through interior design

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5367-5369
DOI: 10.1039/C3CC48441F, CommunicationChristopher J. DeSantis, Sara E. Skrabalak
Through interior design, the optical properties of bimetallic nanocrystals can be facilely manipulated.
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E-H (E = R3Si or H) bond activation by B(C6F5)3 and heteroarenes; competitive dehydrosilylation, hydrosilylation and hydrogenation

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5270-5272
DOI: 10.1039/C3CC47372D, CommunicationLiam D. Curless, Ewan R. Clark, Jay J. Dunsford, Michael J. Ingleson
Addition of R3Si-H-B(C6F5)3 to heteroarenes leads to surprisingly complex and substrate dependent mixtures due to competing dehydrosilylation, hydrosilylation and hydrogenation.
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C-C bond migration in the cycloisomerization of oxygen-tethered 1,6-enynes

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5239-5241
DOI: 10.1039/C3CC47499B, CommunicationSusan M. Stevenson, Eric T. Newcomb, Eric M. Ferreira
Platinum- and iridium-catalyzed cycloisomerizations have been achieved that feature unique C-C bond migrations onto the metal carbene intermediate.
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A porous metal-metalloporphyrin framework featuring high-density active sites for chemical fixation of CO2 under ambient conditions

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5316-5318
DOI: 10.1039/C3CC47542E, CommunicationWen-Yang Gao, Lukasz Wojtas, Shengqian Ma
A porous metal-metalloporphyrin framework, MMPF-9, which features a high density of active sites in the nanoscopic channels, can efficiently catalyze the conversion of CO2 into cyclic carbonates under ambient conditions.
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Label-free luminescence switch-on detection of T4 polynucleotide kinase activity using a G-quadruplex-selective probe

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5313-5315
DOI: 10.1039/C3CC47444E, CommunicationHong-Zhang He, Ka-Ho Leung, Wei Wang, Daniel Shiu-Hin Chan, Chung-Hang Leung, Dik-Lung Ma
A label-free, oligonucleotide-based, switch-on luminescence detection method for T4 polynucleotide kinase activity has been developed using a novel G-quadruplex-selective luminescent Ir(III) complex probe.
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Enhanced oxidative stability of non-Grignard magnesium electrolytes through ligand modification

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5193-5195
DOI: 10.1039/C3CC47277A, CommunicationEmily G. Nelson, Jeff W. Kampf, Bart M. Bartlett
A series of non-Grignard Mg-electrolytes with various para-substituents was synthesized starting from commercially-available phenols.
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A family of oxide-carbide-carbon and oxide-nitride-carbon nanocomposites

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5364-5366
DOI: 10.1039/C3CC47480A, CommunicationZ. Schnepp, M. J. Hollamby, M. Tanaka, Y. Matsushita, Y. Xu, Y. Sakka
This paper describes a powerful and versatile new approach to oxide-carbide-carbon or oxide-nitride-carbon nanocomposites from sol-gel precursors.
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Small molecule-based tandem solar cells with solution-processed and vacuum-processed photoactive layers

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5349-5351
DOI: 10.1039/C3CC47333C, CommunicationWerther Cambarau, Aurelien Viterisi, James W. Ryan, Emilio Palomares
A tandem solar cell device whose sub-cells are fabricated exclusively from small molecules (SMs) through both solution-processed and vacuum-processed deposition techniques is described.
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A prototype point-of-use assay for measuring heavy metal contamination in water using time as a quantitative readout

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5352-5354
DOI: 10.1039/C3CC47698G, CommunicationGregory G. Lewis, Jessica S. Robbins, Scott T. Phillips
The combination of aptamers, depolymerizable poly(carbamates), and paper enables selective, sensitive, and quantitative assays for heavy metal contamination of drinking water using only measurements of time as the readout.
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Direct grafting of poly(pentafluorophenyl acrylate) onto oxides: versatile substrates for reactive microcapillary printing and self-sorting modification

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5307-5309
DOI: 10.1039/C3CC47597B, CommunicationRachelle M. Arnold, Christopher D. McNitt, Vladimir V. Popik, Jason Locklin
Poly(pentafluorophenyl acrylate) was covalently grafted to surfaces and used as a scaffold for postpolymerization modification, generating spatially controlled chemical functionality.
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Group 3 metal stilbene complexes: synthesis, reactivity, and electronic structure studies

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5221-5223
DOI: 10.1039/C3CC47505K, CommunicationWenliang Huang, Paul M. Abukhalil, Saeed I. Khan, Paula L. Diaconescu
Group 3 metal (E)-stilbene complexes supported by a ferrocene diamide ligand were synthesized and characterized. Experimental and computational results indicated that the double bond was reduced and not a phenyl ring, in contrast to a previously reported uranium (E)-stilbene complex.
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Tracking chemical reactions on the surface of filamentous phage using mass spectrometry

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5267-5269
DOI: 10.1039/C3CC47496H, CommunicationShiyu Chen, Jeremy Touati, Christian Heinis
A method based on mass spectrometry was developed to follow chemical modifications applied to phage-encoded polypeptide libraries.
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A photo-induced C-O bond formation methodology to construct tetrahydroxanthones

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5254-5257
DOI: 10.1039/C3CC47426G, CommunicationZheming Xiao, Shujun Cai, Yingbo Shi, Baochao Yang, Shuanhu Gao
A metal-free, photo-induced C-O bond formation methodology was developed to construct tetrahydroxanthones. This mild and efficient methodology was based on intramolecular oxygen trapping of the reactive species produced by photolytic activation of a C-Cl bond.
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