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564 Newest Publications about the topic anion-exchangers

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A Facile Route to Flowerlike Bi2S3 Constructed by Polycrystalline Nanoplates with Enhanced Electrochemical Properties

13-Sep-2013 | Rencheng Jin, Guihua Li, Junshen Liu, Lixia Yang, European Journal of Inorganic Chemistry, 2013

Abstract In this work, hierarchical flowerlike Bi2S3 structures constructed by polycrystalline nanoplates combined with urchinlike and wirelike Bi2S3 were synthesized by using a thioglycolic acid assisted solvothermal method. On the basis of the time‐dependent experimental results, an anion ...

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Solid State Structural Transformation of 1D to Intermediate 2D and then to 3D Porous Coordination Polymer by Anion Replacement; New Precursors for Preparation of PbCl2, Pb3O2Cl2 and PbO Nanoparticles

11-Sep-2013 | Ali Morsali; Lida Hashemi, CrystEngComm, 2013

A reversible anion-exchange of 1D lead(II) coordination polymers with the ligand 2,5-bis(4-pyridyl)-3,4-diaza-2,4-hexadiene (4-bpdh), from [Pb(4-bpdh)Cl2]n (1) to intermediate 2D [Pb(4-bpdh)(Cl)(NO3)]n (2) and then 3D porous coordination polymer [Pb(4-bpdh)(NO3)2(H2O)]n (3) by solid state ...

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SPE of 5‐lipoxygenase metabolites and the effect of head‐column field‐amplified sample stacking in MEKC

09-Sep-2013 | Hans Abromeit, Fengyi Wu, Gerhard K.E. Scriba, Journal of Separation Science, 2013

Abstract The solid‐phase extraction of leukotrienes and eicosatetraenoic acids using anion exchange materials was compared to the classical extraction with C18 columns. A silica‐based strong anion exchanger, a polymer‐based weak anion exchanger, and a polymer‐based mixed mode strong anion ...

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Biphasic Microreactor for Efficient Membrane Protein Pretreatment with a Combination of Formic Acid Assisted Solubilization, On-Column pH Adjustment, Reduction, Alkylation, and Tryptic Digestion

03-Sep-2013 | Qun Zhao; Yu Liang; Huiming Yuan; Zhigang Sui; Qi Wu; Zhen Liang; Lihua Zhang; Yukui Zhang, Analytical Chemistry, 2013

Combining good dissolving ability of formic acid (FA) for membrane proteins and excellent complementary retention behavior of proteins on strong cation exchange (SCX) and strong anion exchange (SAX) materials, a biphasic microreactor was established to pretreat membrane proteins at microgram and ...

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Multidimensional separation of tryptic peptides from human serum proteins using reversed‐phase, strong cation exchange, weak anion exchange and fused‐core fluorinated stationary phases

26-Aug-2013 | Alexander P. Boichenko, Natalia Govorukhina, A.G.J. Zee, Rainer Bischoff, Journal of Separation Science, 2013

Proteome profiling of crude serum is a challenging task due to the wide dynamic range of protein concentrations and the presence of high‐abundance proteins, which cover more than 90% of the total protein mass in serum. Peptide fractionation on strong cation exchange, weak anion exchange in the ...

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Polymethylmethacrylate Open Tubular Ion Exchange Columns: Nondestructive Measurement of Very Small Ion Exchange Capacities

07-Aug-2013 | Min Zhang; Bingcheng Yang; Purnendu K. Dasgupta, Analytical Chemistry, 2013

We describe an approach to prepare an open tubular ion exchange (OTIE) column by coating a monolayer of anion exchange nanoparticle to a 16–20 μm bore polymethylmethacrylate (PMMA) capillary. The latex nanoparticle was electrostatically attached to carboxylate groups on the inner wall of ...

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Comparing Ammonium and Phosphonium Polymerized Ionic Liquids: Thermal Analysis, Conductivity, and Morphology

06-Aug-2013 | Sean T. Hemp, Mingqiang Zhang, Michael H. Allen, Shijing Cheng, Robert B. Moore, Timothy E. Long, Macromolecular Chemistry and Physics, 2013

Conventional free radical polymerization and anion metathesis of ammonium and phosphonium styrenics successfully generates high‐molecular‐weight polymerized ionic liquids (PILs). Phosphonium polyelectrolytes containing Cl‐ counterions display significantly higher thermal stabilities (>370 °C) ...

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Characterisation of brewpub beer carbohydrates using high performance anion exchange chromatography coupled with pulsed amperometric detection

05-Aug-2013 | Author(s): Giuseppe Arfelli , Elisa Sartini, Food Chemistry, 2013

Publication date: 1 January 2014 Source:Food Chemistry, Volume 142 Author(s): Giuseppe Arfelli , Elisa Sartini High performance anion exchange chromatography (HPAEC) coupled with pulsed amperometric detection (PAD) was optimised in order to quantify mannose, maltose, maltotriose, ...

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Probing a Gas/Liquid Acid–Base Reaction by X‐ray Photoelectron Spectroscopy

02-Aug-2013 | Inga Niedermaier, Nicola Taccardi, Peter Wasserscheid, Florian Maier, Hans‐Peter Steinrück, Angewandte Chemie International Edition, 2013

A mechanistic study: In a Brønsted acid/base reaction, gaseous triflic acid (OTfH) transfers its proton to the basic Cl− anion of the ionic liquid [C8C1Im]Cl forming volatile HCl and the IL [C8C1Im][TfO]. This anion exchange reaction is monitored in the near‐surface region quantitatively by ...

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Enhanced Removal of Fluoride by Polystyrene Anion Exchanger Supported Hydrous Zirconium Oxide Nanoparticles

02-Aug-2013 | Bingcai Pan; Jingsheng Xu; Bing Wu; Zhigang Li; Xitong Liu, Environmental Science & Technology, 2013

Here we fabricated a novel nanocomposite HZO-201, an encapsulated nanosized hydrous zirconium oxide (HZO) within a commercial porous polystyrene anion exchanger D201, for highly efficient defluoridation of water. HZO-201 exhibited much higher preference than activated alumina and D201 toward ...

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