Chem. Commun.

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Boron-doped carbon-iron nanocomposites as efficient oxygen reduction electrocatalysts derived from carbon dioxide

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6349-6352
DOI: 10.1039/C4CC01903B, CommunicationJunshe Zhang, Ayeong Byeon, Jae W. Lee
Enhanced activity and durability of oxygen reduction catalysts due to the iron core embedded within the B-doped graphitic layers.
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Shaped Ni nanoparticles with an unconventional hcp crystalline structure

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6353-6356
DOI: 10.1039/C4CC02528H, CommunicationChanyeon Kim, Cheonghee Kim, Kangtaek Lee, Hyunjoo Lee
An unconventional hexagonal close packed crystalline structure could be stabilized by intensive utilization of hexadecylamine with a unique hourglass shape for Ni nanoparticles.
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An achievement of over 12 percent efficiency in an organic dye-sensitized solar cell

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6379-6381
DOI: 10.1039/C4CC02192D, CommunicationKenji Kakiage, Yohei Aoyama, Toru Yano, Takahiro Otsuka, Toru Kyomen, Masafumi Unno, Minoru Hanaya
Dye-sensitized solar cells fabricated by using a novel metal-free alkoxysilyl carbazole dye and a Co3+/2+-complex redox electrolyte exhibited light-to-electric energy conversion efficiencies of up to 12.5% under the one sun condition.
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Co-crystal formation between poly(ethylene glycol) and a small molecular drug griseofulvin

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6375-6378
DOI: 10.1039/C4CC00159A, CommunicationZhi Zhong, Canxiong Guo, Long Chen, Jun Xu, Yanbin Huang
Co-crystal formation between a small molecular drug griseofulvin and poly(ethylene glycol).
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Stepwise synthesis of a Ru4Cd4 coordination cage using inert and labile subcomponents: introduction of redox activity at specific sites

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6330-6332
DOI: 10.1039/C4CC02627F, CommunicationAlexander J. Metherell, Michael D. Ward
Combination of four [RuL3]2+ units, each with three pendant binding sites, and four Cd2+ ions affords the redox-active, heteronuclear, cubic cage [Ru4Cd4L12]16+.
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Periodic auto-active gels with topologically "polyrotaxane-interlocked" structures

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6372-6374
DOI: 10.1039/C4CC01169D, CommunicationHongwei Zhou, Yaru Wang, Zhaohui Zheng, Xiaobin Ding, Yuxing Peng
"Polyrotaxane-interlocked" gels which exhibit periodic swelling/deswelling oscillations without "on/off" switching of external stimuli are presented. The mechanical oscillation is driven by the redox oscillation in the BZ reaction and enhanced by the unique topological structure.
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Enhanced photovoltaic performance of perovskite CH3NH3PbI3 solar cells with freestanding TiO2 nanotube array films

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6368-6371
DOI: 10.1039/C4CC01864H, CommunicationXianfeng Gao, Jianyang Li, Joel Baker, Yang Hou, Dongsheng Guan, Junhong Chen, Chris Yuan
TiO2 nanotube array films used in the CH3NH3PbI3 sensitized solar cells as perovskite hosts show a significant light absorption improvement and a reduced recombination rate over nanoparticle films.
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Albumin-micelles via a one-pot technology platform for the delivery of drugs

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6394-6397
DOI: 10.1039/C4CC00616J, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Yanyan Jiang, Mingtao Liang, Domenic Svejkar, Gene Hart-Smith, Hongxu Lu, Wei Scarano, Martina H. Stenzel
A new micelle delivery platform based on albumin coated nanoparticles is able to selectively deliver the payload to cancerous cells while healthy cells remain less affected.
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Controlling leucine-zipper partner recognition in cells through modification of a-g interactions

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6364-6367
DOI: 10.1039/C4CC00555D, CommunicationYusuke Azuma, Tim Kukenshoner, Guangyong Ma, Jun-ichiro Yasunaga, Miki Imanishi, Gen Tanaka, Ikuhiko Nakase, Takahiro Maruno, Yuji Kobayashi, Katja M. Arndt, Masao Matsuoka, Shiroh Futaki
By focusing on the a-g interactions, successful design and selection were accomplished to obtain a leucine-zipper segment that discriminates the appropriate partner.
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A stable, pillar-layer metal-organic framework containing uncoordinated carboxyl groups for separation of transition metal ions

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6406-6408
DOI: 10.1039/C4CC00553H, CommunicationXing Meng, Rong-Lin Zhong, Xue-Zhi Song, Shu-Yan Song, Zhao-Min Hao, Min Zhu, Shu-Na Zhao, Hong-Jie Zhang
A 3D pillar-layer framework with uncoordinated carboxyl groups can selectively adsorb Cu2+ ions and has been applied as a chromatographic column for separating Cu2+/Co2+ ions.
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Boronic acid ester with dopamine as a tool for bioconjugation and for visualization of cell apoptosis

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6390-6393
DOI: 10.1039/C3CC49100E, CommunicationWei Scarano, Hongxu Lu, Martina H. Stenzel
Boronic esters between 1,2-benzodiols and boronic acids are an efficient way for bioconjugation. The ester is stable at physiological condition, but it cleaves very slowly at acidic pH values found in the endosomes and lysosomes. During apoptosis, the boronic ester is cleaved, most likely due to the influx of Ca2+ ions and the oxidation of 1,2-benzodiols.
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An enantioselective Diels-Alder reaction of 1,2-dihydropyridines with [small alpha]-acyloxyacroleins catalyzed by a chiral primary ammonium salt

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6357-6360
DOI: 10.1039/C4CC01445F, CommunicationKazuaki Ishihara, Hiroki Yamada, Matsujiro Akakura
An enantioselective Diels-Alder reaction of 1,2-dihydropyridines with [small alpha]-acyloxyacroleins catalyzed by a chiral primary ammonium salt has been developed.
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Alternating copolymerization of dihydrocoumarin and epoxides catalyzed by chromium salen complexes: a new route to functional polyesters

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6322-6325
DOI: 10.1039/C4CC01566E, CommunicationNathan J. Van Zee, Geoffrey W. Coates
We report the alternating ring-opening copolymerization of dihydrocoumarin with epoxides catalyzed by chromium(III) salen complexes.
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A single thiazole orange molecule forms an exciplex in a DNA i-motif

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6402-6405
DOI: 10.1039/C4CC01147C, CommunicationBaochang Xu, Xiangyang Wu, Edwin K. L. Yeow, Fangwei Shao
A pH-dependent fluorescent exciplex is formed between a single thiazole orange (TO) molecule and nucleobases in a TO-conjugated DNA i-motif.
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The photocathodic properties of a Pb(Zr0.2Ti0.8)O3 wrapped CaFe2O4 layer on ITO coated quartz for water splitting

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6346-6348
DOI: 10.1039/C4CC00985A, CommunicationXiaorong Cheng, Deliang Chen, Wen Dong, Fengang Zheng, Liang Fang, Mingrong Shen
An efficient photocathode was prepared through a ferroelectric Pb(Zr0.2Ti0.8)O3 wrapped CaFe2O4 structure.
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Microstructured fiber@HZSM-5 core-shell catalysts with dramatic selectivity and stability improvement for the methanol-to-propylene process

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6343-6345
DOI: 10.1039/C3CC49567A, CommunicationXiangyu Wang, Ming Wen, Chunzheng Wang, Jia Ding, Ying Sun, Ye Liu, Yong Lu
Dramatic selectivity and stability improvement of ZSM-5 zeolite for the methanol-to-propylene process has been achieved by a solely microstructured core-shell catalyst design.
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Chemically robust fluoroalkyl phthalocyanine-oligonucleotide bioconjugates and their GRP78 oncogene photocleavage activity

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6309-6311
DOI: 10.1039/C4CC00703D, CommunicationPradeepkumar Patel, Hemantbhai H. Patel, Emily Borland, Sergiu M. Gorun, David Sabatino
The first representative of functionalized fluoroalkyl phthalocyanines, F48H7(COOH)PcZn, is reported.
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A high-performance alginate hydrogel binder for the Si/C anode of a Li-ion battery

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6386-6389
DOI: 10.1039/C4CC00081A, CommunicationJie Liu, Qian Zhang, Zhan-Yu Wu, Jiao-Hong Wu, Jun-Tao Li, Ling Huang, Shi-Gang Sun
An alginate hydrogel binder is prepared through the cross linking effect of Na alginate with Ca2+ ions, which leads to a remarkable improvement in the electrochemical performance of the Si/C anode of a Li-ion battery.
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Electrochemical supercapacitors from conducting polyaniline-graphene platforms

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6298-6308
DOI: 10.1039/C4CC01049C, Feature ArticleNanjundan Ashok Kumar, Jong-Beom Baek
Energy storage devices such as electrochemical supercapacitors, with high power and energy densities are required to address the colossal energy requirements against the backdrop of global warming and the looming energy crisis.
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A new reaction between common compounds: lead oxide reacts with formaldehyde

21 May, 2014 - 00:17

Chem. Commun., 2014, 50,6316-6318
DOI: 10.1039/C3CC49239G, CommunicationShihui Zou, Juanjuan Liu, Hisayoshi Kobayashi, Xiurong Hu, Liping Xiao, Jie Fan
A new reaction between lead(II) oxide and formaldehyde aqueous solution was discovered to produce a new substance, PbCH2O2.
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