Chem. Commun.

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A simple and reliable method for determining the delamination degree of nitrate and glycine intercalated LDHs in formamide

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10130-10132
DOI: 10.1039/C4CC05015K, CommunicationJunya Wang, Liang Huang, Yanshan Gao, Ruoyan Yang, Zhang Zhang, Zhanhu Guo, Qiang Wang
A simple and reliable method for determining the delamination degree of LDHs in formamide is reported.
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Gold nanoparticles as electron reservoir redox catalysts for 4-nitrophenol reduction: a strong stereoelectronic ligand influence

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10126-10129
DOI: 10.1039/C4CC04454A, CommunicationRoberto Ciganda, Na Li, Christophe Deraedt, Sylvain Gatard, Pengxiang Zhao, Lionel Salmon, Ricardo Hernandez, Jaime Ruiz, Didier Astruc
Gold nanoparticle-catalyzed p-nitrophenol reduction by NaBH4 is shown to strongly depend on the stereoelectronic ligand properties involving surface electron reservoirs.
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Unusual synergistic effects upon incorporation of Fe and/or Ni into mesoporous Co3O4 for enhanced oxygen evolution

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10122-10125
DOI: 10.1039/C4CC04922E, CommunicationChanglong Xiao, Xunyu Lu, Chuan Zhao
An unusual "destructive" synergistic effect makes Fe embedded mesoporous Co3O4 an efficient oxygen evolving electrocatalyst.
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Tunable reversible metallo-hydrogels: a new platform for visual discrimination of biothiols

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10118-10121
DOI: 10.1039/C4CC04743E, CommunicationWeiwei Fang, Cong Liu, Zhengwei Lu, Zheming Sun, Tao Tu
By using metallo-hydrogel as a new platform, a simple and straightforward selective visual discrimination of cysteine, homocysteine and glutathione from each other as well as from other amino acids has been realized by using a structure simple pincer Zn complex.
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Bimetallic alloy nanocrystals encapsulated in ZIF-8 for synergistic catalysis of ethylene oxidative degradation

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10115-10117
DOI: 10.1039/C4CC04479G, CommunicationYuanbiao Huang, Yaohong Zhang, Xuxing Chen, Dongshuang Wu, Zhiguo Yi, Rong Cao
PtPd alloy NCs encapsulated in ZIF-8 (PtPd@ZIF-8) were firstly prepared via a "bottle around ship" approach. The catalyst PtPd@ZIF-8 exhibited excellent synergistic photocatalytic activity in the transformation of ethylene into CO2 and H2O at room temperature.
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Regioselective alkylation of a methylene group via meta-bridging of calix[4]arenes

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10112-10114
DOI: 10.1039/C4CC04356A, CommunicationPetr Slavik, Hana Dvorakova, Vaclav Eigner, Pavel Lhotak
The presence of a fluorene moiety possessing acidic CH2 protons enables the regio- and stereo-selective alkylation of calixarenes at a specific position.
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Organic-inorganic mixed-valence systems with strongly-coupled triarylamine and cyclometalated osmium

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10082-10085
DOI: 10.1039/C4CC04268A, CommunicationHai-Jing Nie, Jiang-Yang Shao, Chang-Jiang Yao, Yu-Wu Zhong
Organic-inorganic mixed-valence systems with strongly-coupled triarylamine and cyclometalated osmium and redox-switchable NIR absorptions have been developed.
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Adaptive behavior of a redox-active gallium carbenoid in complexes with molybdenum

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10108-10111
DOI: 10.1039/C4CC04019H, CommunicationIgor L. Fedushkin, Vladimir G. Sokolov, Alexander V. Piskunov, Valentine M. Makarov, Eugeny V. Baranov, Gleb A. Abakumov
A gallium-nitrogen heterocycle derived from 1,2-bis(imino)acenaphthene may serve either as a neutral or an anionic two-electron donor depending on the electronic state of the transition metal.
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Photoisomerisation and ligand-controlled reversible aggregation of azobenzene-functionalised gold nanoparticles

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10105-10107
DOI: 10.1039/C4CC02250E, CommunicationAnja Kohntopp, Alexandra Dabrowski, Michal Malicki, Friedrich Temps
Reversible photo-induced aggregation of azothiol-functionalised Au nanoparticles is controlled by the choice of an azothiol ligand and an alkylthiol coligand.
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Synthesis of U3Se5 and U3Te5 type polymorphs of Ta3N5 by combining high pressure-temperature pathways with a chemical precursor approach

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10041-10044
DOI: 10.1039/C4CC05147E, CommunicationAshkan Salamat, Katherine Woodhead, S. Imran U. Shah, Andrew L. Hector, Paul F. McMillan
Two new polymorphs of Ta3N5 were synthesised by high pressure, high temperature treatment of an amorphous precursor formed from pentakis(dimethylamido) tantalum and ammonia. The new phases form with the U3Se5 and U3Te5 structure types, in line with previous theoretical predictions.
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A zirconium squarate metal-organic framework with modulator-dependent molecular sieving properties

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10055-10058
DOI: 10.1039/C4CC03764B, CommunicationBart Bueken, Helge Reinsch, Nele Reimer, Ivo Stassen, Frederik Vermoortele, Rob Ameloot, Norbert Stock, Christine E. A. Kirschhock, Dirk De Vos
The guest uptake properties of a new squaric acid based zirconium metal-organic framework depend on the modulator used during synthesis.
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Engineering [small beta]-lactamase zymogens for use in protease activity assays

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10155-10157
DOI: 10.1039/C4CC04549A, CommunicationHajin Kim, Hyun Kyung Yoon, Tae Hyeon Yoo
In this report, we engineered [small beta]-lactamase zymogens and developed a sensitive protease assay method based on the precursor enzymes.
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Facile hydrothermal synthesis of CuFeO2 hexagonal platelets/rings and graphene composites as anode materials for lithium ion batteries

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10151-10154
DOI: 10.1039/C4CC03534H, CommunicationYucheng Dong, Chenwei Cao, Ying-San Chui, Juan Antonio Zapien
Delafossite CuFeO2 hexagonal platelets/rings and graphene composites were synthesized by a low temperature hydrothermal method.
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A one-pot, three-component reaction for the synthesis of novel 7-arylbenzo[c]acridine-5,6-diones

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10078-10081
DOI: 10.1039/C4CC03079F, CommunicationShivani Mahajan, Sadhika Khullar, Sanjay K. Mandal, Inder Pal Singh
A one pot domino protocol for an efficient synthesis of 7-arylbenzo[c]acridine-5,6-diones, with a novel nucleus, has been developed by reacting 2-hydroxynaphthalene-1,4-dione, aromatic aldehydes and aromatic amines using environmentally benevolent p-toluene sulphonic acid as a catalyst.
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Organometallic macromolecules with piano stool coordination repeating units: chain configuration and stimulated solution behaviour

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10062-10065
DOI: 10.1039/C4CC03064H, CommunicationKai Cao, Jonathan Ward, Ryan C. Amos, Moon Gon Jeong, Kyoung Taek Kim, Mario Gauthier, Daniel Foucher, Xiaosong Wang
PFpP with piano stool coordination repeating units (Fe-acyl complex) adopts linear chain configuration with a P-Fe-C backbone surrounded by aromatic groups, exhibiting stimulated solution behaviour in DMSO.
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The ring opening reaction of 1,3-dithiol-2-one systems is fully reversible

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10102-10104
DOI: 10.1039/C4CC04414B, CommunicationAshta Chandra Ghosh, Jakob Klaus Reinhardt, Markus Karl Kindermann, Carola Schulzke
The deprotection of a common precursor moiety in dithiolene chemistry was discovered to be fully reversible, which, besides being relevant for researchers working in very different fields with these non-innocent ligand systems, may even have an impact on CO2 housekeeping, as the deprotected ligand acts as an efficient trap.
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Thin films of spin-crossover coordination polymers with large thermal hysteresis loops prepared by nanoparticle spin coating

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10074-10077
DOI: 10.1039/C4CC04123B, CommunicationDaisuke Tanaka, Naoki Aketa, Hirofumi Tanaka, Takashi Tamaki, Tomoko Inose, Tomoki Akai, Hirotaka Toyama, Osami Sakata, Hiroo Tajiri, Takuji Ogawa
Spin-crossover nanoparticles form homogeneous thin films on substrates, which show abrupt spin transitions with large thermal hysteresis loops.
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Gold-plated magnetic polymers for highly specific enrichment and label-free detection of blood biomarkers under physiological conditions

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10066-10069
DOI: 10.1039/C4CC04281F, CommunicationSeung-Ryong Kwon, Chang Su Jeon, Nam Young Hong, Kwang Pyo Kim, Inseong Hwang, Taek Dong Chung
Highly efficient prevention of nonspecific binding by gold-plated magnetic polymer microspheres enables bead-based label-free assays using MADLI MS under physiological conditions.
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The extraordinary catalytic ability of peroxiredoxins: a combined experimental and QM/MM study on the fast thiol oxidation step

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10070-10073
DOI: 10.1039/C4CC02899F, CommunicationAri Zeida, Anibal M. Reyes, Mariano C. G. Lebrero, Rafael Radi, Madia Trujillo, Dario A. Estrin
A combination of kinetic experiments and QM/MM simulations on the peroxiredoxin's reaction mechanism, unravelling the molecular basis of the remarkable catalytic effects of these enzymes.
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g-C3N4 quantum dots: direct synthesis, upconversion properties and photocatalytic application

5 August, 2014 - 17:54

Chem. Commun., 2014, 50,10148-10150
DOI: 10.1039/C4CC02543A, CommunicationWanjun Wang, Jimmy C. Yu, Zhurui Shen, Donald K. L. Chan, Ting Gu
g-C3N4 quantum dots were synthesized and can be used as general energy-transfer components in photocatalytic systems to harness the Vis-NIR spectrum of sunlight.
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