Chem. Commun.

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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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Two-dimensional g-C3N4: an ideal platform for examining facet selectivity of metal co-catalysts in photocatalysis

20 April, 2014 - 16:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC00745J, CommunicationSong Bai, Xijun Wang, Canyu Hu, Maolin Xie, Jun Jiang, Yujie Xiong
Two-dimensional g-C3N4 nanosheets with few-layer thickness, ensuring equivalent charge migrations to various Pd facets, provide an ideal model system for reliably examining the facet selectivity of Pd co-catalysts. It reveals...
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Effective dehydrogenation of 2-pyridylmethanol derivatives catalyzed by an iron complex

20 April, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01498G, CommunicationMasahiro Kamitani, Masaki Ito, Masumi Itazaki, Hiroshi Nakazawa
Effective dehydrogenation of 2-pyridylmethanol derivatives was achieved using an iron catalyst (TON = 67 000) without a hydrogen acceptor.
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Designer macrocyclic organo-peptide hybrids inhibit the interaction between p53 and HDM2/X by accommodating a functional [small alpha]-helix

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5027-5030
DOI: 10.1039/C4CC01199F, CommunicationJessica M. Smith, John R. Frost, Rudi Fasan
Side-chain-to-C-end-bridged organo-peptide macrocycles provide a new scaffold for accommodating an [small alpha]-helical protein-binding motif.
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Optical reading of the open and closed states of a molecular turnstile

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5040-5042
DOI: 10.1039/C4CC01071J, CommunicationNicolas Zigon, Patrick Larpent, Abdelaziz Jouaiti, Nathalie Kyritsakas, Mir Wais Hosseini
The reversible switching between the open and closed states of a molecular turnstile can be addressed by emission spectroscopy.
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Monometalated tribenzotriquinacene: exo and endo coordination of sodium and potassium with a rigid bowl-shaped hydrocarbon anion

20 April, 2014 - 16:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01428F, CommunicationJan Klett
Monometalated tribenzotriquinacene forms an exo coordinated arrangement with sodium, while potassium is found in an endo position inside the bowl.
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Colorimetric barbiturate sensing with hybrid spin crossover assemblies

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5043-5045
DOI: 10.1039/C4CC01805B, CommunicationMichael C. Young, Erica Liew, Richard J. Hooley
Iron-based spin crossover complexes can be used as selective, visible sensors for barbiturates in the presence of other biologically relevant hydrogen bonding species.
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Investigation of the facet-dependent performance of [small alpha]-Fe2O3 nanocrystals for heavy metal determination by stripping voltammetry

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5011-5013
DOI: 10.1039/C4CC01029A, CommunicationWei-Hong Xu, Qiang-Qiang Meng, Chao Gao, Jing Wang, Qun-Xiang Li, Jin-Huai Liu, Xing-Jiu Huang
The electrochemical performances of [small alpha]-Fe2O3 nanocubes, nanoplates, and nanorods modified GCEs toward Pb2+ detection strongly depend on their exposed facets.
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A surface plasmon resonance assay coupled with a hybridization chain reaction for amplified detection of DNA and small molecules

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5049-5052
DOI: 10.1039/C4CC01374C, CommunicationXuemei Li, Yan Wang, Linlin Wang, Qingli Wei
A surface plasmon resonance (SPR) detection system based on a hybridization chain reaction (HCR) was developed for amplified detection of DNA and small molecules with high sensitivity. This methodology is capable of detecting the target in complicated biological samples and can be further extended to the detection of other proteins or biomarkers.
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Iron-catalysed asymmetric tandem spiro-cyclization using dioxygen in air as the hydrogen acceptor

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5053-5056
DOI: 10.1039/C4CC01555J, CommunicationTakuya Oguma, Tsutomu Katsuki
A tandem combination of ortho-quinone methide (o-QM) formation/Michael addition/asymmetric dearomatization, which is catalysed by an iron-salan complex in air with high enantioselectivity, provides an efficient method for spirocyclic (2H)-dihydrobenzofuran synthesis from 2-naphthols and phenols.
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Electrochemical investigation of sodium reactivity with nanostructured Co3O4 for sodium-ion batteries

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5057-5060
DOI: 10.1039/C4CC01033G, CommunicationMd Mokhlesur Rahman, Alexey M. Glushenkov, Thrinathreddy Ramireddy, Ying Chen
The electrochemical behaviour of Co3O4 with sodium is reported here.
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[4+2+2] Cycloaddition catalyzed by a new cationic rhodium-bisphosphine monooxide complex

20 April, 2014 - 16:54

Chem. Commun., 2014, 50,5007-5010
DOI: 10.1039/C4CC01320D, CommunicationGino Martin R. Canlas, Scott R. Gilbertson
A rhodium-BozPHOS based complex is reported that is competent in catalyzing the [4+2+2] cycloisomerization of cyclooctatrienes in moderate to good yields.
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