Royal Society of Chemistry

Non-negative matrix analysis for effective feature extraction in X-ray spectromicroscopy

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C4FD00023D, PaperRachel Mak, Mirna Lerotic, Holger Fleckenstein, Stefan Vogt, Stefan M. Wild, Sven Leyffer, Yefim Sheynkin, Chris Jacobsen
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Multiple ionization and fragmentation dynamics of molecular iodine studied in IR-XUV pump-probe experiments

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C4FD00031E, PaperK. Schnorr, A. Senftleben, G. Schmid, A. Rudenko, M. Kurka, K. Meyer, L. Foucar, M. Kubel, M. F. Kling, Y. H. Jiang, S. Dusterer, R. Treusch, C. D. Schroter, J. Ullrich, T. Pfeifer, R. Moshammer
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Signal to noise considerations for single crystal femtosecond time resolved crystallography of the Photoactive Yellow Protein

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C4FD00011K, PaperJasper J. van Thor, Mark M. Warren, Craig N. Lincoln, Matthieu Chollet, Henrik Till Lemke, David M. Fritz, Marius Schmidt, Jason Tenboer, Zhong Ren, Vukica Srajer, Keith Moffat, Tim Graber
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Sub-THz specific relaxation times of hydrogen bond oscillations in E.coli thioredoxin. Molecular dynamics and statistical analysis

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C4FD00029C, PaperTatiana Globus, Igor Sizov, Boris Gelmont
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Approaches to time-resolved diffraction using an XFEL

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C4FD00025K, PaperJohn C. H. Spence
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ExaViz: a flexible framework to analyse, steer and interact with molecular dynamics simulations

Faraday Disc. - 31 July, 2014 - 10:54
Faraday Discuss., 2014, Advance Article
DOI: 10.1039/C3FD00142C, PaperMatthieu Dreher, Jessica Prevoteau-Jonquet, Mikael Trellet, Marc Piuzzi, Marc Baaden, Bruno Raffin, Nicolas Ferey, Sophie Robert, Sebastien Limet
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Positive supercoiling affiliated with nucleosome formation repairs non-B DNA structures

Chem. Commun. - 30 July, 2014 - 17:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04789C, CommunicationDawei Li, Bei Lv, Hao Zhang, Jasmine Yiqin Lee, Tianhu Li
It is demonstrated that positive supercoiling affiliated with nucleosome formation can act as the driving force to repair the G-quadruplex, cruciform as well as a stable non-B DNA structure caused by peptide nucleic acid.
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A Lithiomethyl Trimethylammonium Reagent as Methylene Donor

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04579C, CommunicationPeter Chen, Juan Manuel Sarria Toro, Tim den Hartog, Erik P. A. Couzijn
Straightforward deprotonation of soluble tetramethylammonium salts with alkyllithium reagents gives lithiomethyl trimethylammonium reagents. Coordination of the Li cation is crucial to the stability of these 'N-C ylides'. These reagents were...
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Plasmon Resonance-Enhanced Circularly Polarized Luminescence of Self-Assembled Meso-tetrakis(4-sulfonatophenyl)porphyrin-Surfactant Complexes in Interaction with Ag Nanoparticles

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04477K, CommunicationTakunori Harada, Naoki Kajiyama, Kei Ishizaka, Reona Toyofuku, Katsuki Izumi, Kazuo Umemura, Yoshitane IMAI, Naoya Taniguchi, Kenji Mishima
The chiroptical properties of anionic meso-tetrakis(4-sulfonatophenyl)porphyrin (TPPS) complexed with cationic surfactants were enhanced by interaction with silver nanoparticles (AgNPs) in acidic solution. Improvement in chiroptical properties was revealed by circular...
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Selective reduction of carbon dioxide to formate through bicarbonate reduction on metal electrodes: New insights gained from substrate-generation/tip-collection mode of scanning electrochemical microscopy

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03099K, CommunicationPhani KLN, Sreekanth Narayanaru
We discovered in SECM of electro-reduction of CO2 at Au in CO2-saturated KHCO3 solutions that (i) formate comes solely from direct reduction of bicarbonate; and (ii) CO forms only from...
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2'-Deoxyuridine Conjugated with a Reactive Monobenzocyclooctyne as a DNA Building Block for Copper-Free Click-type Postsynthetic Modification of DNA

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC02855D, CommunicationClaudua Stubinitzky, Gergely B Cserep, Effi Batzner, Peter Kele, Hans-Achim Wagenknecht
The carboxymethylmonobenzocyclooctyne group attached to the 5-position of a 2'-deoxyuridine in DNA allows rapid and efficient copper-free postsynthetic modification as demonstrated with a far-red emitting fluorescent azide probe. Upon labeling...
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DNA Sequence-Dependent Photoluminescence Enhancement in a Cationic Conjugated Polyelectrolyte

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03417A, CommunicationZhongwei Liu, Hsing-Ling Wang, Mircea Cotlet
DNA sequence-dependent photoluminescence enhancement is found for a cationic polyelectrolyte complexed with single stranded DNA and described as a result of an interplay between electrostatic attraction and [small pi]-[small pi] stacking between...
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Graphene-supported Pt and PtPd Nanorods with Enhanced Electrocatalytic Performance for Oxygen Reduction Reaction

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04595E, CommunicationYi-Chia Tseng, Hong-Shuo Chen, Yu-Ting Liang, Tsan-Yao Chen, Chen-Wei Liu, Shu-Ru Chung, Chien-Te Hsieh, Cheng-En Lee, Kuan-Wen Wang
In this study, we investigate the effect of alloying and supports on the modification of d-band vacancy and oxygen reduction reaction (ORR) activity of graphene-supported Pt and PtPd nanorods (NRs)....
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Synthesis of Tetraphenylethylene Pillar[6]arenes and the Selective Fast Quenching of Their AIE Fluorescence by TNT

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05189K, CommunicationYan-Song Zheng, Jin-Hua Wang, Hai-Tao Feng
Tetraphenylethylene pillar[6]arenes with AIE effect were synthesized for the first time. The fluorescence of the pillar[6]arene could be quenched much more and much faster by TNT than by other nitroaromatics...
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Benzothiazole Derivatives Augment Glucose Uptake in Skeletal Muscle Cells and Stimulate Insulin Secretion from Pancreatic [small beta]-Cells via AMPK Activation

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03310H, CommunicationA. Gruzman, Lily Pasternak, Ella Meltzer-Mats, Gali Babai-Shani, Guy Cohen, Olga Viskind, Juergen Eckel, Erol Cerasi, Shlomo Sasson
Adenosine Monophosphate-Activated Protein Kinase (AMPK) has been identified as one of the major targets for antidiabetic drugs. This study describes two AMPK-activating agents 2-(benzo[d]thiazol-2-ylmethylthio)-6-ethoxybenzo[d]thiazole and 2-(propylthio)benzo[d]thiazol-6-ol, that increase the rate...
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Membrane lipid peroxidation by the peroxidase-like activity of magnetite nanoparticles

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03082F, CommunicationLijun Wang, Yue Min, Doudou Xu, Fengjiao Yu, Wuzong Zhou, Alfred Cuschieri
We report that Fe3O4 nanoparticles are able to catalyse lipid peroxidation in liposomes in acidic but not neutral pH. The oxidation is dependent on either pre-existing lipid peroxides or hydrogen...
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Alkyne Mechanochemistry: Putative Activation by Transoidal Bending

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC03514C, CommunicationCharles Diesendruck, Lingyang Zhu, Jeff Moore
We investigated the use of mechanical stress to bend carbon-carbon triple bonds. Formation of an isoquinoline after reaction with a benzyl azide trap points towards a nucleophilic addition mechanism, differentiating...
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Red-Luminescent Biphosphine Stabilized 'Cu12S6' Cluster Molecules

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04702H, CommunicationAndreas Eichhoefer, Xiao Xun Yang, Ibrahim Issac, Sergei Lebedkin, Michael Kuehn, Florian Weigend, olaf fuhr, Dieter Fenske
The synthesis, molecular structures and luminescence properties of two 'Cu12S6' cluster molecules with stabilizing bidentate phosphine ligands are described. Both display in the solid state at ambient temperature high photoluminescence...
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High-efficient Synthesis of Covalent Porphyrinic Cages via DABCO-templated Imine Condensation Reactions

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05449K, CommunicationCheng Wang, Huimin Ding, Xiangshi Meng, Xu Cui, Yihui Yang, Tailin Zhou, Caixing Wang, Matthias Zeller
We report a new approach to construct covalent porphyrinic cages with different spacer lengths, in which the cage compounds have been conveniently synthesized in quantitative yields, via DABCO-templated imine condensation...
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Electrocatalytic Hydrogen Evolution Using Amorphous Tungsten Phosphide Nanoparticles

Chem. Commun. - 30 July, 2014 - 17:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04709E, CommunicationJoshua McEnaney, Jonathan Chance Crompton, Juan Callejas, Eric Popczun, Carlos Read, Nathan Lewis, Raymond Schaak
Amorphous tungsten phosphide (WP), which has been synthesized as colloidal nanoparticles with an average diameter of 3 nm, has been identified as a new electrocatalyst for the hydrogen-evolution reaction (HER)...
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