Chem. Commun.

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Probing morphological changes in polymersomes with magnetic birefringence

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5394-5396
DOI: 10.1039/C3CC47483F, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Roger S. M. Rikken, Harmen H. M. Kerkenaar, Roeland J. M. Nolte, Jan C. Maan, Jan C. M. van Hest, Peter C. M. Christianen, Daniela A. Wilson
Magnetic birefringence was used for in situ monitoring of the morphological changes in diamagnetic polymersomes during shape-transformation by dialysis.
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Face-on stacking and enhanced out-of-plane hole mobility in graphene-templated copper phthalocyanine

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5319-5321
DOI: 10.1039/C3CC47516F, CommunicationJeffrey M. Mativetsky, He Wang, Stephanie S. Lee, Luisa Whittaker-Brooks, Yueh-Lin Loo
The out-of-plane hole mobility in copper phthalocyanine is enhanced by face-on molecular stacking induced by graphene-templated growth.
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Recent progress in the construction of cavity-cored supramolecular metallodendrimers via coordination-driven self-assembly

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5156-5170
DOI: 10.1039/C3CC47484D, Feature ArticleLin Xu, Li-Jun Chen, Hai-Bo Yang
This feature article reviews the recent progress in the construction of cavity-cored supramolecular metallodendrimers via coordination-driven self-assembly.
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A fluorogenic probe for recognizing 5-hydroxylysine inspired by serine/threonine ligation

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5298-5300
DOI: 10.1039/C3CC47465H, CommunicationChun Ling Tung, Hiu Yung Lam, Jianchao Xu, Xuechen Li
A coumarin-based non-fluorescent probe can selectively react with 5-hydroxylysine-containing peptides, leading to a fluorescent tag.
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Can non-polar hydrogen atoms accept hydrogen bonds?

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5212-5214
DOI: 10.1039/C3CC46048G, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lixu Yang, Thomas A. Hubbard, Scott L. Cockroft
A combined solution-phase and theoretical investigation reveals that Si-H can act as a fully neutral H-bond acceptor in solution, but only just.
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Structural and electrochemical characterization of a cerium(IV) hydroxamate complex: implications for the beneficiation of light rare earth ores

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5361-5363
DOI: 10.1039/C3CC46486E, CommunicationHeui Beom Lee, Justin A. Bogart, Patrick J. Carroll, Eric J. Schelter
Reaction of N-phenyl-pivalohydroxamic acid with CeIII precursors leads to a homoleptic hydroxamate complex: CeIV[tBuC(O)N(O)Ph]4.
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68Ga chelating bioorthogonal tetrazine polymers for the multistep labeling of cancer biomarkers

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5215-5217
DOI: 10.1039/C3CC49530B, CommunicationBrandon Nichols, Zhengtao Qin, Jun Yang, David R. Vera, Neal K. Devaraj
There has been significant interest in the use of bioorthogonal inverse Diels-Alder cycloadditions in molecular imaging. We have developed metal chelating tetrazine probes that extend tetrazine cycloadditions to the convenient and generator produced positron emitting isotope gallium-68 (68Ga).
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Enhanced activity and stability of organophosphorus hydrolase via interaction with an amphiphilic polymer

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5345-5348
DOI: 10.1039/C3CC47675H, CommunicationMinkyu Kim, Manos Gkikas, Aaron Huang, Jeon Woong Kang, Nisaraporn Suthiwangcharoen, Ramanathan Nagarajan, Bradley D. Olsen
A simple approach to enhancing the activity and stability of organophosphorus hydrolase (OPH) is developed based on interactions between the hydrophobic poly(propylene oxide) (PPO) block of amphiphilic Pluronics and the enzyme.
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Catalytic nanoreactors in continuous flow: hydrogenation inside single-walled carbon nanotubes using supercritical CO2

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5200-5202
DOI: 10.1039/C3CC49247H, CommunicationThomas W. Chamberlain, James H. Earley, Daniel P. Anderson, Andrei N. Khlobystov, Richard A. Bourne
One nanometre wide carbon nanoreactors are utilised as the reaction vessel for catalytic chemical reactions on a preparative scale.
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Organocatalytic photoreduction of Zn(II) to zinc metal

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5196-5199
DOI: 10.1039/C3CC47633B, CommunicationAnthony C. Brooks, Katherine Basore, Stefan Bernhard
The photoreduction of Zn(II) to Zn metal catalyzed by 8-hydroxyquinoline derivatives is reported.
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Chemical consequences of mechanical bonding in catenanes and rotaxanes: isomerism, modification, catalysis and molecular machines for synthesis

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5128-5142
DOI: 10.1039/C3CC47842D, Feature ArticleOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Edward A. Neal, Stephen M. Goldup
We highlight some of the less discussed consequences of mechanical bonding for the chemical behaviour of catenanes and rotaxanes, including striking recent examples where molecular motion controls chemical reactions.
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Early amyloid [small beta]-protein aggregation precedes conformational change

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5373-5375
DOI: 10.1039/C3CC48704K, CommunicationBogdan Barz, Olujide O. Olubiyi, Birgit Strodel
The aggregation of amyloid-[small beta] protein (1-42) is studied at experimental concentrations using all-atom molecular dynamics simulations.
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Synthesis of the 6,6,5,7-tetracyclic core of daphnilongeranin B

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5294-5297
DOI: 10.1039/C3CC47873D, CommunicationXiaochun Xiong, Yong Li, Zhaoyong Lu, Ming Wan, Jun Deng, Shuhang Wu, Huawu Shao, Ang Li
An efficient approach toward the synthesis of the 6,6,5,7-tetracyclic core of the daphnilongeranin B, a Daphniphyllum alkaloid, is reported.
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Synergetic plasmonic effect of Al and Au nanoparticles for efficiency enhancement of air processed organic photovoltaic devices

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5285-5287
DOI: 10.1039/C3CC49004A, CommunicationGeorge Kakavelakis, Emmanuel Stratakis, Emmanuel Kymakis
Small diameter Au NPs and large diameter Al NPs are dispersed into the photoactive layer of OPVs in order to synergistically contribute to optical absorption enhancement by plasmonic and scattering effects respectively.
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Photo-tunable multicolour fluorescence imaging based on self-assembled fluorogenic nanoparticles

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5326-5329
DOI: 10.1039/C3CC48464E, CommunicationMarco Montalti, Giulia Battistelli, Andrea Cantelli, Damiano Genovese
Non-fluorescent nanoparticles formed via self-assembly of a perylene-diimide behave as fluorogenic probes that give a dosage-dependent green or red fluorescence in cells. Photo-irradiation allows us to achieve multicolour labelling.
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Binding behaviors of protein on spatially controlled poly[oligo(ethylene glycol) methacrylate] brushes grafted from mixed self-assembled monolayers on gold

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5291-5293
DOI: 10.1039/C3CC47055E, CommunicationSeung Pyo Jeong, Bong Soo Lee, Sung Min Kang, Sangwon Ko, Insung S. Choi, Jungkyu K. Lee
Binding behaviors of streptavidin were investigated with different lateral packing densities of biotin-functionalized non-biofouling pOEGMA brushes, synthesized by surface-initiated polymerization from mixed SAMs.
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A dual site catalyst for mild, selective nitrile reduction

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5391-5393
DOI: 10.1039/C3CC47384H, CommunicationZhiyao Lu, Travis J. Williams
A novel ruthenium bis(pyrazolyl)borate catalyst exhibits useful reactivity in ammonia borane dehydrogenation and water oxidation. It also enables unprecedented cooperative reduction reactivity in which boron and ruthenium centers work in concert to effect surprisingly selective nitrile reduction.
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Surface modification of metal oxides by polar molecules in a non-polar, polarizable solvent system

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5397-5399
DOI: 10.1039/C3CC47140C, CommunicationArunava Agarwala, Niv Kaynan, Seva Zaidiner, Roie Yerushalmi
A simple yet general approach for modifying metal oxide surfaces using polar compounds in a non-polar polarizable solvent is presented.
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Investigating magneto-chemical interactions at molecule-substrate interfaces by X-ray photo-emission electron microscopy

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5190-5192
DOI: 10.1039/C3CC47726F, CommunicationJan Girovsky, Michele Buzzi, Christian Wackerlin, Dorota Siewert, Jan Nowakowski, Peter M. Oppeneer, Frithjof Nolting, Thomas A. Jung, Armin Kleibert, Nirmalya Ballav
Seeing is believing - visualizing magnetic exchange coupling across the molecule-substrate spin-interface by X-ray photo-emission electron microscopy.
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Pyridine-2-thiolate bridged tin-palladium complexes with Sn(PdN2Cl2), Sn(PdN2S2), Sn(PdN2C2) and Sn(Pd2N4) skeletons

22 April, 2014 - 17:17

Chem. Commun., 2014, 50,5382-5384
DOI: 10.1039/C3CC47912A, CommunicationErik Wachtler, Robert Gericke, Lyuben Zhechkov, Thomas Heine, Thorsten Langer, Birgit Gerke, Rainer Pottgen, Jorg Wagler
Pyridine-2-thiolate tin(IV) compounds were shown to chelate Pd(0) in a pincer-like fashion with formation of penta- and hexacoordinate tin compounds.
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