Chem. Commun.

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A hybrid of holey graphene and Mn3O4 and its oxygen reduction reaction performance

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3911-3914
DOI: 10.1039/C4CC09930C, CommunicationXiaohui Lv, Wei Lv, Wei Wei, Xiaoyu Zheng, Chen Zhang, Linjie Zhi, Quan-Hong Yang
A hybrid of holey graphene and Mn3O4 is prepared by a one-step process, in which the formation of a holey structure is accompanied with Mn3O4 nanoparticles through a high temperature reaction between graphene oxide sheets and KMnO4.
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Increased photocurrent in a tandem dye-sensitized solar cell by modifications in push-pull dye-design

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3915-3918
DOI: 10.1039/C4CC10230D, CommunicationC. J. Wood, G. H. Summers, E. A. Gibson
New donor-[small pi]-acceptor dyes functionalised with a bodipy or indolium acceptor are described, which have an excellent spectral response in the red region and generate record photocurrent in tandem dye-sensitized solar cells. Our cationic acceptor dye, CAD3, generated a cathodic photocurrent density of 8.2 mA cm-2, the highest reported for a NiO p-type solar cell to date.
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ATP dephosphorylation can be either enhanced or inhibited by pH-controlled interaction with a dendrimer molecule

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3907-3910
DOI: 10.1039/C5CC00350D, CommunicationCarla Bazzicalupi, Antonio Bianchi, Claudia Giorgi, Matteo Savastano, Fracisco Morales-Lara
The dendrimer binds ATP in solution and is able to either accelerate or decelerate the nucleotide dephosphorylation rates depending on the solution pH.
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Bioconjugated persistent luminescence nanoparticles for Foster resonance energy transfer immunoassay of prostate specific antigen in serum and cell extracts without in situ excitation

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3903-3906
DOI: 10.1039/C5CC00286A, CommunicationBo-Yue Wu, Xiu-Ping Yan
A novel Foster resonance energy transfer (FRET) immunoassay based on persistent luminescence nanoparticles (PLNP) for PSA detection in serum and cell extracts in the absence of in situ excitation.
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Reactions of laser-ablated U atoms with (CN)2: infrared spectra and electronic structure calculations of UNC, U(NC)2, and U(NC)4 in solid argon

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3899-3902
DOI: 10.1039/C4CC09946J, CommunicationYu Gong, Lester Andrews, Benjamin K. Liebov, Zongtang Fang, Edward B. Garner, III, David A. Dixon
Reactions of laser-ablated U atoms with (CN)2 produce the isocyanides UNC, U(NC)2, and U(NC)4 and not the corresponding cyanides.
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An efficient approach to prepare boronate core-shell polymer nanoparticles for glycoprotein recognition via combined distillation precipitation polymerization and RAFT media precipitation polymerization

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3896-3898
DOI: 10.1039/C4CC10004B, CommunicationJianxi Liu, Kaiguang Yang, Yanyan Qu, Senwu Li, Qi Wu, Zhen Liang, Lihua Zhang, Yukui Zhang
Boronic functional core-shell polymer particles were synthesized by a unique strategy for the stimuli-response to cis-diol-containing molecules.
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A fluorescent turn-on low dose detection of gamma-radiation based on aggregation-induced emission

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3892-3895
DOI: 10.1039/C4CC10133B, CommunicationXiaobiao Dong, Fang Hu, Zitong Liu, Guanxin Zhang, Deqing Zhang
A new sensitive fluorescence turn-on detection of gamma-radiation is reported by taking advantage of AIE property of the tetraphenylethylene unit and the cascade radiochemical and protonation reactions.
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Bonding situation in Be[N(SiMe3)2]2 - an experimental and computational study

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3889-3891
DOI: 10.1039/C4CC09732G, CommunicationD. Naglav, A. Neumann, D. Blaser, C. Wolper, R. Haack, G. Jansen, S. Schulz
The solid state structure of Be[N(SiMe3)2]2 (1) was determined by in situ crystallisation and the bonding situation investigated by quantum chemical calculations. The Be-N bond is predominantly ionic but also shows some [small pi]-bonding character.
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A palladium NNC-pincer complex: an efficient catalyst for allylic arylation at parts per billion levels

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3886-3888
DOI: 10.1039/C4CC09726B, CommunicationGo Hamasaka, Fumie Sakurai, Yasuhiro Uozumi
Allylic arylation of allylic acetates by sodium tetraarylborates in the presence of ppb to ppm (molar) loadings of a palladium NNC-pincer complex catalyst in methanol at 50 [degree]C gave the corresponding arylated products in excellent yields.
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A synchronous approach for facile production of Ge-carbon hybrid nanoparticles for high-performance lithium batteries

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3882-3885
DOI: 10.1039/C5CC00080G, CommunicationXiaona Li, Jianwen Liang, Zhiguo Hou, Yongchun Zhu, Yan Wang, Yitai Qian
A new synchronous approach for facile production of uniform Ge-carbon hybrid nanoparticles from a germanium chelate complex is designed and described.
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Sonogashira cross-coupling reaction with 4-[18F]fluoroiodobenzene for rapid 18F-labelling of peptides

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3838-3841
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 framework nanoparticles on graphene oxide

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3874-3877
DOI: 10.1039/C4CC09933H, CommunicationXuan Qiu, Xi Wang, Yingwei Li
A facile synthetic strategy is developed to modulate the growth and distribution of MOF-graphene oxide (GO) nanohybrids, achieving dense and ordered MOFs featuring different sizes and morphologies dispersed on GO.
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Amino acids as chiral anionic ligands for ruthenium based asymmetric olefin metathesis

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3870-3873
DOI: 10.1039/C5CC00052A, CommunicationElisa Ivry, Amos Ben-Asuly, Israel Goldberg, N. Gabriel Lemcoff
Anionic ligand exchange by amino acids readily produce chiral ruthenium benzylidenes that catalyze asymmetric olefin metathesis reactions.
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[V@Ge8As4]3- and [Nb@Ge8As6]3-: encapsulation of electron-poor transition metal atoms

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3866-3869
DOI: 10.1039/C4CC10086G, CommunicationStefan Mitzinger, Lies Broeckaert, Werner Massa, Florian Weigend, Stefanie Dehnen
The first known M-As-Ge clusters, [V@Ge8As4]3- and [Nb@Ge8As6]3-, exhibit non-deltahedral topologies, with "V5+" being the hardest cation ever embedded in endohedral Zintl anions.
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Influence of the chirality of short peptide supramolecular hydrogels in protein crystallogenesis

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3862-3865
DOI: 10.1039/C4CC09024A, CommunicationMayte Conejero-Muriel, Jose A. Gavira, Estela Pineda-Molina, Adam Belsom, Mark Bradley, Monica Moral, Juan de Dios Garcia-Lopez Duran, Angelica Luque Gonzalez, Juan J. Diaz-Mochon, Rafael Contreras-Montoya, Angela Martinez-Peragon, Juan M. Cuerva, Luis Alvarez de Cienfuegos
Influence of gel chirality in protein crystallogenesis.
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Dipicolinic acid: a strong anchoring group with tunable redox and spectral behavior for stable dye-sensitized solar cells

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3858-3861
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 with unpredictable response to different electrolytes in dye-sensitized solar cells.
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Directed flexibility: self-assembly of a supramolecular tetrahedron

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3820-3823
DOI: 10.1039/C4CC10044A, CommunicationJames M. Ludlow III, Tingzheng Xie, Zaihong Guo, Kai Guo, Mary Jane Saunders, Charles N. Moorefield, Chrys Wesdemiotis, George R. Newkome
Self-assembly of 4 terpyridine-modified, flexible crown ether ligands with 12 Zn2+ ions results in high yield tetrahedron construction.
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Designing nanomolar antagonists of DC-SIGN-mediated HIV infection: ligand presentation using molecular rods

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3816-3819
DOI: 10.1039/C4CC09709B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Stefania Ordanini, Norbert Varga, Vanessa Porkolab, Michel Thepaut, Laura Belvisi, Andrea Bertaglia, Alessandro Palmioli, Angela Berzi, Daria Trabattoni, Mario Clerici, Franck Fieschi, Anna Bernardi
Rational design of DC-SIGN antagonists combines a selective glycomimetic ligand with trivalent dendrons spaced by a rigid core and allows to exploit multiple multivalency effects.
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Palladium-catalyzed regioselective allylation of five-membered heteroarenes with allyltributylstannane

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3842-3845
DOI: 10.1039/C4CC10373D, CommunicationSheng Zhang, Xiaoqiang Yu, Xiujuan Feng, Yoshinori Yamamoto, Ming Bao
Regioselective allylation of five-membered heteroarenes can be achieved using a palladium catalyst via [small eta]3-allylpalladium intermediates.
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An electron-poor di-molybdenum triple-decker with a puckered [B4Ru2] bridging ring is an oblato-closo cluster

17 February, 2015 - 20:17

Chem. Commun., 2015, 51,3828-3831
DOI: 10.1039/C4CC09630D, CommunicationBijan Mondal, Bijnaneswar Mondal, Koushik Pal, Babu Varghese, Sundargopal Ghosh
An unprecedented, 22 valence-electron triple-decker sandwich complex [(Cp*Mo)2{[small mu ]-[small eta]6:[small eta]6-B4H4Ru2(CO)6}] has been prepared, which is the second example with the lowest recorded electron count among the triple-decker complexes.
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