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Redox polymer with N,N‐dichlorosulfonamide functional groups as arsenite oxidant in aqueous solutions

18-10-2014 | Daniel Ociński, Ewa Stanisławska, Elżbieta Kociołek‐Balawejder, Journal of Applied Polymer Science, 2014

ABSTRACT A macroporous, styrene‐divinylbenzene polymer with N,N‐dichlorosulfonamide functional groups (SO2NCl2), containing two chlorine atoms with oxidation number +1, have been prepared through the chemical modification of a commercial sulfonic cation exchanger (Amberlyst 15, Rohm and ...

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Topological surface states of Bi2Te2Se are robust against surface chemical modification

16-10-2014 | Conor R. Thomas, Girija Sahasrabudhe, Satya Kumar Kushwaha, Jun Xiong, Robert J. Cava, Jeffrey Schwartz, physica status solidi (RRL) - Rapid Research Letters, 2014

The robustness of the Dirac‐like electronic states on the surfaces of topological insulators (TIs) during materials process‐ing is a prerequisite for their eventual device application. Here, the (001) cleavage surfaces of crystals of the topological insulator Bi2Te2Se (BTS) were subjected to ...

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Electrochemical Behavior of Nicotine at Unmodified Carbon Paste Electrode and Its Determination in a Set of Refilling Liquids for Electronic Cigarettes

16-10-2014 | Matěj Stočes, Ivan Švancara, Electroanalysis, 2014

Abstract In this manuscript, a carbon paste electrode (CPE) from traditional components has been used to study the electrochemical oxidation of nicotine and its feasibility to be performed at unmodified and otherwise untreated carbon paste in an effort to propose a simple voltammetric method ...

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Interfacial Separation and Characterization of Al‐PE Composites During Delamination of Post‐consumer Tetra Pak Materials

15-10-2014 | Sufeng Zhang, Ke Luo, Lulu Zhang, Xingxian Mei, Shumiao Cao, Baiji Wang, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background In order to understand more details of the Al‐PE composite delaminating during the separation process for enriching the present theoretical analysis of of Al‐PE separation and providing new ideas for the recycle and reuse of post‐consumer Tetra Pak, interfacial separation ...

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Molecular‐Level Understanding of the Photocatalytic Activity Difference between Anatase and Rutile Nanoparticles

14-10-2014 | Wooyul Kim, Takashi Tachikawa, Gun‐hee Moon, Tetsuro Majima, Wonyong Choi, Angewandte Chemie International Edition, 2014

Abstract The generation of oxidants on illuminated photocatalysts and their participation in subsequent reactions are the main basis of the widely investigated photocatalytic processes for environmental remediation and selective oxidation. Here, the generation and the subsequent diffusion of ...

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Bi73–: The Missing Family Member, Finally Isolated and Characterized

14-10-2014 | Luis G. Perla; Allen G. Oliver; Slavi C. Sevov, Inorganic Chemistry, 2014

The synthesis and structure of Bi73–, the only missing member of the family of heptanuclear pnictogen cluster anions Pn73– (Pn = pnictogen, a group 15 element excluding the unique nitrogen), is reported. The new species is synthesized by oxidation of a solution of K5Bi4 by the solvent pyridine in ...

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Controllably Interfacing with Metal: A Strategy for Enhancing CO Oxidation on Oxide Catalysts by Surface Polarization

13-10-2014 | Yu Bai; Wenhua Zhang; Zhenhua Zhang; Jie Zhou; Xijun Wang; Chengming Wang; Weixin Huang; Jun Jiang; Yujie Xiong, Journal of the American Chemical Society, 2014

Heterogeneous catalysis often involves charge transfer from catalyst surface to adsorbed molecules, whose activity thus depends on the surface charge density of catalysts. Here, we demonstrate a unique solution-phase approach to achieve controllable interfacial lengths in oxide-metal hybrid ...

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Enhanced amperometric sensing for direct detection of nitenpyram via synergistic effect of copper nanoparticles and nitrogen-doped graphene

12-10-2014 | Author(s): Xiaoya Dong , Ding Jiang , Qian Liu , En Han , Xinai Zhang , Xianping Guan , Kun Wang , Baijing Qiu, Journal of Electroanalytical Chemistry, 2014

Publication date: Available online 5 October 2014 Source:Journal of Electroanalytical Chemistry Author(s): Xiaoya Dong , Ding Jiang , Qian Liu , En Han , Xinai Zhang , Xianping Guan , Kun Wang , Baijing Qiu In this work, a novel electrochemical sensing platform has been designed for ...

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Iridium Complexes Containing Mesoionic C Donors: Selective C(sp3)H versus C(sp2)H Bond Activation, Reactivity Towards Acids and Bases, and Catalytic Oxidation of Silanes and Water

10-10-2014 | Ana Petronilho, James A. Woods, Helge Mueller‐Bunz, Stefan Bernhard, Martin Albrecht, Chemistry - A European Journal, 2014

Abstract Metalation of a C2‐methylated pyridylimidazolium salt with [IrCp*Cl2]2 affords either an ylidic complex, resulting from C(sp3)H bond activation of the C2‐bound CH3 group if the metalation is performed in the presence of a base, such as AgO2 or Na2CO3, or a mesoionic complex via ...

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Molecules, Vol. 19, Pages 16291-16311: Unraveling the Photocatalytic Mechanisms on TiO2 Surfaces Using the Oxygen-18 Isotopic Label Technique

10-10-2014 | Pang, Xibin ; Chen, Chuncheng ; Ji, Hongwei ; Che, Yanke ; Ma, Wanhong ; Zhao, Jincai, Molecules, 2014

During the last several decades TiO2 photocatalytic oxidation using the molecular oxygen in air has emerged as a promising method for the degradation of recalcitrant organic pollutants and selective transformations of valuable organic chemicals. Despite extensive studies, the mechanisms of these ...

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