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1,411 Newest Publications about the topic solution

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Oxidation of neodymium precipitates in a Ti6Al4V2Nd alloy in sodium chloride solution

26-Jun-2015 | F. Depentori, C. Forcellini, F. Andreatta, E. Marin, S. Maschio, F. Brunke, S. Benfer, C. Siemers, L. Fedrizzi, W. F ..., Materials and Corrosion, 2015

The corrosion properties of a neodymium modified titanium alloy, Ti6Al4V2Nd were investigated in 1.5 wt% NaCl and compared with Ti6Al4V. The modified alloy contains neodymium precipitates mainly located at grain boundaries. Ti6Al4V2Nd differs in corrosion behavior from Ti6Al4V by the oxidation ...

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Amperometric Detection of Aqueous Silver Ions by Inhibition of Glucose Oxidase Immobilized on Nitrogen-Doped Carbon Nanotube Electrodes

26-Jun-2015 | Ian M. Rust; Jacob M. Goran; Keith J. Stevenson, Analytical Chemistry, 2015

An amperometric glucose biosensor based on immobilization of glucose oxidase on nitrogen-doped carbon nanotubes (N-CNTs) was successfully developed for the determination of silver ions. Upon exposure to glucose, a steady-state enzymatic turnover rate was detected through amperometric oxidation of ...

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Electrochemical method for wet removal of phosphine

22-Jun-2015 | Guangfei Qu, Jian Zhang, Yilu Lin, Junyan Li, Ping Ning, Yongtao Yu, Environmental Progress, 2015

The removal of phosphine (PH3) was studied with an electrochemical approach using a Ti/SnO2 anode. The effects of the current density, O2 content, gas flow rate, temperature, and type of electrolyte on the PH3 removal were investigated. The liquid phase reaction products were detected by ion ...

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Green and Straightforward Modification of Graphite Electrode via In Situ Synthesis of Graphene Nanosheets for Quantifying Prazosin Hydrochloride in Urine Samples and Pharmaceutical Formulations

18-Jun-2015 | Sasan Rabieh, Ashkan Koushanpour, Fariba Tajabadi, Electroanalysis, 2015

Abstract A sensitive electrochemical sensor based on in situ modification of graphite electrode via graphene nanosheets (GNs) was developed as a green method for prazosin hydrochloride (PRA) analyses. In this study, GNs were electrochemically synthesized on the surface of graphite electrode ...

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Absolute Asymmetric Synthesis: Viedma Ripening of [Co(bpy)3]2+ and Solvent‐Free Oxidation to [Co(bpy)3]3+

17-Jun-2015 | Per Martin Björemark, Johan Jönsson, Mikael Håkansson, Chemistry - A European Journal, 2015

Abstract Syntheses of [Co(bpy)3]2+ yield racemic solutions because the Δ‐ and Λ‐enantiomers are stereochemically labile. However, crystallization and attrition‐enhanced deracemization can give homochiral crystal batches of either handedness in quantitative yield. Subsequently, solvent‐free ...

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Glycoluril–tetrathiafulvalene molecular clips: on the influence of electronic and spatial properties for binding neutral accepting guests

17-Jun-2015 | Yoann Cotelle, Marie Hardouin-Lerouge, Stéphanie Legoupy, Olivier Alévêque, Eric Levillain and Piétrick Hudhomme, Beilstein Journal of Organic Chemistry, 2015

Abstract Glycoluril-based molecular clips incorporating tetrathiafulvalene (TTF) sidewalls have been synthesized through different strategies with the aim of investigating the effect of electrochemical and spatial properties for binding neutral accepting guests. We have in particular focused ...

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[CuO]+ and [CuOH]2+ Complexes: Intermediates in Oxidation Catalysis?

15-Jun-2015 | Nicole Gagnon; William B. Tolman, Accounts of Chemical Research, 2015

ConspectusCharacterization of monocopper intermediates in enzymes and other catalysts that attack strong C–H bonds is important for unraveling oxidation catalysis mechanisms and, ultimately, designing new, more efficient catalytic systems. Because initially formed 1:1 Cu/O2 adducts resulting from ...

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Formation of Light Absorbing Soluble Secondary Organics and Insoluble Polymeric Particles from the Dark Reaction of Catechol and Guaiacol with Fe(III)

15-Jun-2015 | Samantha Slikboer; Lindsay Grandy; Sandra L. Blair; Sergey A. Nizkorodov; Richard W. Smith; Hind A. Al-Abadleh, Environmental Science & Technology, 2015

Transition metals such as iron are reactive components of environmentally relevant surfaces. Here, dark reaction of Fe(III) with catechol and guaiacol was investigated in an aqueous solution at pH 3 under experimental conditions that mimic reactions in the adsorbed phase of water. Using UV–vis ...

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Facile preparation and fluorescence properties of a soluble oligopyrrole derivative

14-Jun-2015 | Author(s): Shihu Zhang , Guowei Lv , Guolong Wang , Kaiming Zhu , Demei Yu , Jinyou Shao , Yanzhou Wang , Yuh ..., Journal of Photochemistry and Photobiology A: Chemistry, 2015

Publication date: 15 August 2015 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 309 Author(s): Shihu Zhang , Guowei Lv , Guolong Wang , Kaiming Zhu , Demei Yu , Jinyou Shao , Yanzhou Wang , Yuhang Liu A soluble oligopyrrole derivative (OMDPP) was prepared ...

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Bulk Modification of Carbon Paste Electrode with Bi2O3 Nanoparticles and Its Application as an Electrochemical Sensor for Selective Sensing of AntiHIV Drug Nevirapine

12-Jun-2015 | Nagappa L. Teradal, J. Seetharamappa, Electroanalysis, 2015

Abstract Bi2O3 nanoparticles were synthesized by solution combustion method and utilized for fabrication of an electrochemical sensor [carbon paste electrode modified with Bi2O3 (CPE‐Bi2O3)] for nevirapine (NVP). Electrode materials were characterized by XRD, FTIR, TG‐DTA, AFM and SEM‐EDS ...

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