Royal Society of Chemistry

Sonogashira cross-coupling reaction with 4-[18F]fluoroiodobenzene for rapid 18F-labelling of peptides

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00182J, CommunicationJenilee D. Way, Cody Bergman, Frank Wuest
The study describes the Sonogashira cross-coupling reaction with 4-[18F]fluoroiodobenzene ([18F]FIB) as novel and efficient method for rapid labelling of peptides with the short-lived positron emitter fluorine-18.
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Controlled Growth of Dense and Ordered Metal-Organic Frameworks Nanoparticles on Graphene Oxide

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC09933H, CommunicationXuan Qiu, Xi Wang, Yingwei Li
A simple and versatile synthetic route is develpoed to modulate the growth and distribution of MOFs/graphene oxide (GO) nanohybrid materials, achieving dense and ordered MOFs featuring different sizes and morphologies...
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Evidence of chitosan-mediated reduction of Au(III) to Au(0) nanoparticles under electron beam by using OH. and e-aq scavengers

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC09346A, CommunicationXavier Coqueret, Christelle Kowandy, Khoa Dang Nguyen VO, laurent dupont
Selective scavengers of e-aq and OH. radical were used to investigate the radiolytic synthesis of gold nanoparticles from Au(III) solutions in the presence of chitosan. This reaction does not exclusively...
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Photoreversible current ON/OFF switching by photoinduced bending of gold-coated diarylethene crystals

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00355E, CommunicationDaichi Kitagawa, Seiya Kobatake
We report on the photoinduced bending behavior of gold-coated diarylethene crystals. The gold-coated rod-like crystal exhibited photoreversible bending upon alternating irradiation with ultraviolet (UV) and visible light. The initial speed...
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Amino Acids as Chiral Anionic Ligands for Ruthenium Based Asymmetric Olefin Metathesis

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00052A, CommunicationElisa Ivry, Amos Ben-Asuly, Israel Goldberg, Gabriel Lemcoff
Several amino acid ligands were introduced to the Hoveyda-Grubbs 2nd generation complex by a facile anionic ligand exchange. The chiral pre-catalysts obtained displayed enantioselectivity in asymmetric ring-closing and ring-opening cross-metathesis...
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[V@Ge8As4]3- and [Nb@Ge8As6]3-: Encapsulation of Electron-Poor Transition Metal Atoms

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10086G, CommunicationStefanie Susanne Dehnen, Florian Weigend, Stefan Mitzinger, Lies Broeckaert, Werner Massa
[K([2.2.2]crypt)]+ salts of [V@Ge8As4]3- and [Nb@Ge8As6]3-were obtained by extraction of quaternary phases with en/[2.2.2]crypt. The V/Ge/As anion is the first Zintl anion incorporating a (formal) V5+ cation, thus the smallest...
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Influence of the Chirality of Short Peptide Supramolecular Hydrogels in Protein Crystallogenesis

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC09024A, CommunicationMayte Conejero Muriel, Jose A. Gavira, Estela Pineda-Molina, Adam Belsom, Mark Bradley, Monica Moral, Juan DG Duran, Angelica Luque-Gonzalez, Juan J. Diaz-Mochon, Rafael Contreras-Montoya, Angela Martinez-Peragon, Juan Manuel Cuerva, Luis Alvarez de Cienfuegos
For the first time the influence of the chirality of the gel fibers in protein crystallogenesis has been studied. Enantiomeric hydrogels 1 and 2 were tested with three proteins, lysozyme...
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Indium Triflate-Catalyzed Stereoselective Tandem Intramolecular Conjugate Addition of Secondary Amines to [small alpha],[small beta]-Bisenones

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10016F, CommunicationBodakuntla Thirupathaiah, SungYong Seo
We report an indium triflate-catalyzed stereoselective intramolecular tandem conjugate addition of secondary amines to [small alpha],[small beta]-bisenones to afford a 1,2,3-trisubstituted six-membered ring bearing diketone substituents in good to excellent yields at...
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Scaling Up Electrochemical Signal with Catalytic Hairpin Assembly Coupling Nanocatalyst Label for DNA Detection

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C5CC00680E, CommunicationXu Hun, Guoliang Xie, Xiliang Luo
Using a simple DNA reaction mechanism based on a catalytic hairpin assembly (CHA) process coupling nanocatalyst label, we experimentally demonstrated a high sensitive DNA detection method. Bimetalic nanocatalysts, core/shell Au@Pt...
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Self-catalysis in Thermal Hysteresis during Random-coil to Helix-dimer Transition of Sulfonamidohelicene Tetramer

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC10418H, CommunicationMasanori Shigeno, Yo Kushida, Masahiko Yamaguchi
The sulfonamidohelicene tetramer changes structure between a random-coil and a helix-dimer, where molecular thermal hysteresis appears. Mixing experiments of helix-dimer and random-coil solutions and a kinetic analysis show that the...
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Dipicolinic Acid: A Strong Anchoring Group with Tunable Redox and Spectral Behavior for Stable Dye-Sensitized Solar Cells

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC06432A, CommunicationErik Gabrielsson, Haining Tian, Susanna K Eriksson, Jiajia Gao, Hong Chen, Fusheng Li, Johan Oscarsson, Junliang Sun, Hakan Rensmo, Lars Kloo, Anders Hagfeldt, Licheng Sun
Dipicolinic acid was investigated as a new anchoring group for DSSCs. A pilot dye (PD2) bearing this new anchoring group was found to adsorb significantly stronger to TiO2 than its...
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Nuclease resistant oligonucleotides with cell penetrating properties

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC08837A, CommunicationStefan Milton, Dmytro Honcharenko, Cristina Rocha, Pedro Moreno, C. I. Edvard Smith, Roger Stromberg
2'-O-AECM modified oligonucleotides provide an unusual combination of remarkable properties. This includes the combination of high resistance towards enzymatic degradation with that AECM oligonucleotides appear to be spontaneously taken up...
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The Development of a Highly Photostable and Chemically Stable Zwitterionic Near-Infrared Dye for Imaging Applications

Chem. Commun. - 30 January, 2015 - 14:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC08814J, CommunicationDongdong Su, Chai Lean Teoh, Animesh Samanta, Nam-Young Kang, Sung Jin Park, Young-Tae Chang
A novel zwitterionic near-infrared (NIR) dye, ZWCC, has been designed and synthesized. It shows significantly enhanced photostability and chemical stability compared to the existing zwitterionic NIR dye. In addition, the...
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A self-assembled, [small pi]-stacked complex as a finely-tunable magnetic aligner for biomolecular NMR applications

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2540-2543
DOI: 10.1039/C4CC09354B, CommunicationSota Sato, Ryosuke Takeuchi, Maho Yagi-Utsumi, Takumi Yamaguchi, Yoshiki Yamaguchi, Koichi Kato, Makoto Fujita
The 1D aggregates of [small pi]-stacked self-assembled complexes worked as magnetic aligners upon an analyte protein to observe RDC in NMR.
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Multi-synergetic ZnO platform for high performance cancer therapy

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2585-2588
DOI: 10.1039/C4CC10037A, CommunicationNirmalya Tripathy, Rafiq Ahmad, Hyun Ah Ko, Gilson Khang, Yoon-Bong Hahn
Hollow structured ZnO with high-performance drug-encapsulation for acid-triggered, chemo-photodynamic cancer therapy.
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Copper-palladium core-shell as an anode in a multi-fuel membraneless nanofluidic fuel cell: toward a new era of small energy conversion devices

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2536-2539
DOI: 10.1039/C4CC08529A, CommunicationJ. Maya-Cornejo, E. Ortiz-Ortega, L. Alvarez-Contreras, N. Arjona, M. Guerra-Balcazar, J. Ledesma-Garcia, L. G. Arriaga
A novel Cu@Pd core-shell electrocatalyst was used in a multi-fuel nanofluidic fuel cell with flow-through electrodes that operates with several fuels (individually and mixed) in alkaline media, providing electric power regardless fuel.
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Rhodium(III)-catalyzed C7-position C-H alkenylation and alkynylation of indolines

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2532-2535
DOI: 10.1039/C4CC09330E, CommunicationXiao-Fei Yang, Xu-Hong Hu, Chao Feng, Teck-Peng Loh
A Rh(III)-catalyzed regioselective C-H alkenylation and alkynylation of indolines is described. This protocol relies on the use of a removable pyridinyl directing group to access valuable C-7 functionalized indoline scaffolds with ample substrate scope and broad functional group tolerance.
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Ratiometric ECL of heterodinuclear Os-Ru dual-emission labels

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2529-2531
DOI: 10.1039/C4CC08394F, CommunicationShiguo Sun, Wei Sun, Daozhou Mu, Na Jiang, Xiaojun Peng
The first ratiometric ECL of heterodinuclear Os-Ru dual-emission labels.
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Structure-guided design and biosynthesis of a novel FR-900098 analogue as a potent Plasmodium falciparum 1-deoxy-D-xylulose-5-phosphate reductoisomerase (Dxr) inhibitor

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2526-2528
DOI: 10.1039/C4CC09181G, CommunicationRyan E. Cobb, Brian Bae, Zhi Li, Matthew A. DeSieno, Satish K. Nair, Huimin Zhao
Enzymatic biosynthesis of a novel, more potent FR-900098 analog is inspired by co-crystal structures of 1-deoxy-D-xylulose 5-phosphate reductoisomerase (Dxr) from the malaria parasite Plasmodium falciparum.
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A click chemistry approach to site-specific immobilization of a small laccase enables efficient direct electron transfer in a biocathode

Chem. Commun. - 30 January, 2015 - 14:54

Chem. Commun., 2015, 51,2522-2525
DOI: 10.1039/C4CC09179E, CommunicationDongli Guan, Yadagiri Kurra, Wenshe Liu, Zhilei Chen
Controlled orientation of a small laccase on a multi-walled carbon nanotube electrode was achieved via copper-free click chemistry mediated immobilization.
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