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Electrochemical Pretreatment of Amino‐Carbon Nanotubes on Graphene Support as a Novel Platform for Bilirubin Oxidase with Improved Bioelectrocatalytic Activity towards Oxygen Reduction

09-Feb-2015 | Aso Navaee, Abdollah Salimi , Fereydoon Jafari, Chemistry - A European Journal, 2015

Abstract The electrochemical conditioning of amino‐carbon nanotubes (CNTs) on a graphene support in an alkaline solution is used to produce NHOH as hydrophilic functional groups for the efficient immobilization of bilirubin oxidase enzyme. The application of the immobilized enzyme for the ...


Photocatalysis: Electrostatically Assembled CdS–Co3O4 Nanostructures for Photo‐assisted Water Oxidation and Photocatalytic Reduction of Dye Molecules (Small 6/2015)

06-Feb-2015 | Omer Yehezkeli, Débora R. B. de Oliveira, Jennifer N. Cha, Small, 2015

Electrostatic assembly is used by O. Yehezkeli, D. R. B. de Oliveira, and J. N. Cha to couple CdS nanorods with Co3O4 nanoparticles into photocatalytic systems that simultaneously oxidize water and mediate electron transfer. On page 668, layered films of CdS nanorods and Co3O4 nanoparticles are ...


ChemInform Abstract: Economical and Efficient Aqueous Reductions of High Melting‐Point Imines and Nitroarenes to Amines: Promotion Effects of Granular PTFE.

05-Feb-2015 | Tao Li, Xiaoxue Cui, Lili Sun, Chunbao Li, ChemInform, 2015

Abstract The reduction of aromatic imines or aromatic nitro compounds by Zn powder can be performed in aqueous solution using catalytic amounts of Aliquat 336 in the presence of granular polytetrafluoroethylene and NaOH or NH4Cl.


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 ...


“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, ...


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 ...


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 ...


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 ...


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 ...


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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