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Editor: Michael Rowan
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Online ISSN: 1867-3899
February 01, 2014
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Recently Published Articles
- Synthesis and Peroxidase-Like Activity of Salt-Resistant Platinum Nanoparticles by Using Bovine Serum Albumin as the Scaffold
Shao-Bin He, Hao-Hua Deng, Dr. Ai-Lin Liu, Guang-Wen Li, Prof. Xin-Hua Lin, Prof. Wei Chen and Prof. Xing-Hua Xia
Article first published online: 15 APR 2014 | DOI: 10.1002/cctc.201400011
Say no to excess salt! Salt-resistant platinum nanoparticles are synthesized in the bovine serum albumin scaffold through biomineralization. The resulting platinum nanoparticles possess excellent peroxidase-like activity that can be used to catalyze the oxidation of various chromogenic, fluorogenic, and chemiluminescent substrates in the presence of hydrogen peroxide. The peroxidase-like activity of platinum nanoparticles can be well preserved even in an high ionic strength environment.
- Facile Synthesis of 3 D Platinum Dendrites with a Clean Surface as Highly Stable Electrocatalysts
Tian Wu, Hui Ming Zhou, Dr. Bao Yu Xia, Peng Xiao, Ya Yan, Ming Shi Xie and Prof. Dr. Xin Wang
Article first published online: 15 APR 2014 | DOI: 10.1002/cctc.201400058
Clean and stable: 3 D Pt nanodendrites with a clean surface were prepared by a facile inorganic-species-assisted strategy. Owing to their unique 3 D morphology composed of interconnected 1 D Pt nanorods, the clean unsupported 3 D Pt nanodendrites exhibit higher stability and activity than commercial carbon black supported Pt nanoparticles and Pt black electrocatalysts.
- Surfactant-Induced Substrate Selectivity in the Palladium-Nanoparticle-Mediated Chemoselective Hydrogenation of Unsaturated Aldehydes in Water
Giorgio La Sorella, Dr. Patrizia Canton, Prof. Giorgio Strukul and Dr. Alessandro Scarso
Article first published online: 15 APR 2014 | DOI: 10.1002/cctc.201402034
Something in the water: A hundred-fold substrate selectivity is observed in the competitive chemoselective hydrogenation of seven α,β-unsaturated aldehydes (C4–C10) in water with palladium nanoparticles stabilized by sodium dodecyl sulfonate as a surfactant. The medium makes the longer lipophilic substrates hundreds of times more reactive than the shorter more hydrophilic ones, whereas in an organic medium almost no difference is observed.
- Model Molecules with Oxygenated Groups Catalyze the Reduction of Nitrobenzene: Insight into Carbocatalysis
Shuchang Wu, Dr. Guodong Wen, Dr. Xiumei Liu, Bingwei Zhong and Prof. Dr. Dang Sheng Su
Article first published online: 15 APR 2014 | DOI: 10.1002/cctc.201402070
Modeling carbon: Thanks to model molecules, the carbon-catalyzed reduction of nitrobenzene is mimicked. The role of different oxygen functional groups on a carbon catalyst is studied, and the carbonyl and hydroxyl groups seem to be the most important moieties, which may be ascribed to their ability to activate hydrazine. The reaction occurs more likely through a direct route, during which nitrosobenzene may also be converted directly into aniline.
- Details Behind the Self-Regeneration of Supported NiCo/Ce0.8Zr0.2O2 Bimetallic Catalyst in the CH4–CO2 Reforming Reaction
Dr. Petar Djinović, Dr. Ilja Gasan Osojnik Črnivec, Dr. Boštjan Erjavec and Prof. Dr. Albin Pintar
Article first published online: 11 APR 2014 | DOI: 10.1002/cctc.201400059
Recrystallization raises reactivation: Initial deactivation (blue frame) of NiCo/CeZr catalysts employed for methane dry reforming reactions can be correlated to oxidation of nanosized NiCo particles. With time on stream, sintering and growth (red frame) slowly leads to their reduction and reactivation. Reactivation is additionally promoted by parallel recrystallization of Ce0.8Zr0.2O2 support, which improves oxygen mobility and oxygen storage capacity. DR=Dry reforming.