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Fabrication of capping-free Pt/porous RGO hybrids by a repeatable-using reduction material and their application in methanol electrooxidation

04-Jan-2015 | Author(s): Tao Li , Ren-Jie Xue , Qiong Xue , Zhi-Yong Yang , Dong-Wei Yan , Zhan-Jun Gu, Chemical Physics Letters, 2015

Publication date: 20 January 2015 Source:Chemical Physics Letters, Volume 620 Author(s): Tao Li , Ren-Jie Xue , Qiong Xue , Zhi-Yong Yang , Dong-Wei Yan , Zhan-Jun Gu The uncapped Pt/reduced graphene oxide (RGO) composites are synthesized through reducing GO and Pt precursor ...

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“A Spoonful of Sugar Helps the Medicine Go Down”: Bitter Masking by Sucrose Among Children and Adults

01-Jan-2015 | Julie A. Mennella; Danielle R. Reed; Phoebe S. Mathew; Kristi M. Roberts; Corrine J. Mansfield, Chemical Senses, 2015

Sweeteners are often added to liquid formulations of drugs but whether they merely make them better tasting or actually reduce the perception of bitterness remains unknown. In a group of children and adults, we determined whether adding sucrose to urea, caffeine, denatonium benzoate, ...

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Effect of additives on the melt rheology and thermal degradation of poly[(R)‐3‐hydroxybutyric acid]

30-Dec-2014 | Carlos R. Arza, Patric Jannasch, Peter Johansson, Per Magnusson, Alan Werker, Frans H. J. Maurer, Journal of Applied Polymer Science, 2014

ABSTRACT Thermal degradation of poly[(R)−3‐hydroxybutyric acid] (PHB) during melt mixing results in random chain scission that produces shorter polymer chains containing crotonic and carboxyl end groups. One way of preventing this serious reduction of molar mass is to add agents that react ...

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Are thermodynamic cycles necessary for continuum solvent calculation of pKas and reduction potentials?

30-Dec-2014 | Junming Ho, Physical Chemistry Chemical Physics, 2014

Continuum solvent calculations of pKas and reduction potentials usually entail the use of a thermodynamic cycle to express the reaction free energy in terms of gas phase energies and free energies of solvation. In this work, we present a systematic study comparing the solution phase free energy ...

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Robust Electrodes Based on Coaxial TiC/C–MnO2 Core/Shell Nanofiber Arrays with Excellent Cycling Stability for High‐Performance Supercapacitors

28-Dec-2014 | Xuming Zhang, Xiang Peng, Wan Li, Limin Li, Biao Gao, Guosong Wu, Kaifu Huo, Paul K. Chu, Small, 2014

A coaxial electrode structure composed of manganese oxide‐decorated TiC/C core/shell nanofiber arrays is produced hydrothermally in a KMnO4 solution. The pristine TiC/C core/shell structure prepared on the Ti alloy substrate provides the self‐sacrificing carbon shell and highly conductive TiC ...

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Two‐Step Carbothermal Synthesis of AlN–SiC Solid Solution Powder Using Combustion Synthesized Precursor

26-Dec-2014 | Aimin Chu, Mingli Qin, Rafi‐ud‐din, Yinghu Dong, Shibo Guo, Xuanhui Qu, Journal of the American Ceramic Society, 2014

In the present work, a two‐step carbothermal reduction method is employed to prepare the AlN–SiC solid solution (AlN–SiCss) powders by using a combustion synthesized precursor. The precursor is prepared by low‐temperature combustion synthesis (LCS) method using a mixed solution of aluminum ...

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Reversible catalysis for the reaction between methyl orange and NaBH4 by silver nanoparticles

25-Dec-2014 | Li-Qing Zheng; Xiao-Dong Yu; Jing-Juan Xu; Hong-Yuan Chen, Chemical Communication, 2014

The reaction between MO and NaBH4 catalyzed by Ag NPs has been studied. Ag NPs catalyzed the reduction of MO rapidly, while adding CTAB into the solution caused the regeneration of MO. Thus, reversible catalysis for the reaction between MO and NaBH4 by Ag NPs was discovered for the first time.

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A Molecular Complex with a Formally Neutral Iron Germanide Motif (Fe2Ge2)

24-Dec-2014 | Anukul Jana; Volker Huch; Henry S. Rzepa; David Scheschkewitz, Organometallics, 2014

We report the synthesis and isolation of a stable complex containing the formally neutral Fe2Ge2 motif, which is stabilized by the coordination of an N-heterocyclic carbene to the germanium and of carbon monoxide to the iron center. [(NHCiPr2Me2)GeFe(CO)4]2 is obtained by reduction of the ...

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Coordination Properties of Dithiobutylamine (DTBA), a Newly Introduced Protein Disulfide Reducing Agent

22-Dec-2014 | Justyna Adamczyk; Wojciech Bal; Artur Krężel, Inorganic Chemistry, 2014

The acid–base properties and metal-binding abilities of (2S)-2-amino-1,4-dimercaptobutane, otherwise termed dithiobutylamine (DTBA), which is a newly introduced reagent useful for reducing protein and peptide disulfides, were studied in solution using potentiometry, 1H NMR spectroscopy, ...

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Inactivation of tannins in milled sorghum grain through steeping in dilute NaOH solution

21-Dec-2014 | Author(s): Adeoluwa I. Adetunji , Kwaku G. Duodu , John R.N. Taylor, Food Chemistry, 2014

Publication date: 15 May 2015 Source:Food Chemistry, Volume 175 Author(s): Adeoluwa I. Adetunji , Kwaku G. Duodu , John R.N. Taylor Steeping milled sorghum in up to 0.4% NaOH was investigated as a method of tannin inactivation. NaOH steeping substantially reduced assayable total phenols ...

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