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29,567 Newest Publications about the topic solution

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Synthesis, structure, and properties of a dialumane supported by pyrazolate ligands

01-Mar-2015 | Christopher J. Snyder; Peter Zavalij; Kit Bowen; Hansgeorg Schnöckel; Bryan Eichhorn, Dalton Transactions, 2015

The dialumane [Al2][Na(Ph2pz)3]2 (1) has been prepared by the reaction of Na(Ph2pz) with a metastable solution of AlCl. The structure of 1 contains two hydrotris(pyrazolyl)borate-like Na(Ph2pz)32− moieties that are coordinated to each Al atom of the dialumane in a κ2,κ1-N,N,N fashion and several ...


Photoresponsive Self-Assemblies based on Fatty Acids

01-Mar-2015 | Anne-Laure Fameau; Audrey Arnould; Maren Lehmann; Regine von Klitzing, Chemical Communication, 2015

Photoresponsive surfactant system based on fatty acids has been developed by the introduction in aqueous solution of a photoacid generator (PAG). Self-assembly transitions are triggered by UV irradiation due to a pH change induced by the presence of PAG.


A novel aqueous lithium-oxygen cell based on oxygen-peroxide redox couple

01-Mar-2015 | Masaki Matsui; Ayumi Wada; Yasuaki Matsuda; Yasuo Takeda; Osamu Yamamoto; Nobuyuki Imanishi, Chemical Communication, 2015

The electrochemical process of an aqueous Li-O2 cell is investigated. A Li2O2 is detected as a discharging product of an aqueous Li-O2 cell using a catalyst-free carbon-based electrode. The electrolyte solution saturated with lithium hydroxide prevents the hydrolysis of the Li2O2. Since the ...


Selective, direct detection of acetylcholine in PBS solution, with self-assembled fluorescent nano-particles: experiment and modelling

01-Mar-2015 | Lisa Erieau-Peyrard; Claire Coiffier; Patrice Bordat; Didier Bégué; Sabine Chierici; Sandra Pinet; Isabelle Gosse; I ..., Physical Chemistry Chemical Physics, 2015

We report synthesis, characterisation and molecular modelling of a new fluorescent cyclotriveratrylene probe for acetylcholine in aqueous media, with emission around 430 nm thanks to extended conjugation. The probe discriminates acetylcholine from choline, with respective binding constants 540 ...


Nanometer-sized dynamic entities in an aqueous system

01-Mar-2015 | E. Mamontov; P. Zolnierczuk; M. Ohl, Physical Chemistry Chemical Physics, 2015

Using neutron spin-echo and backscattering spectroscopy, we have found that at low temperatures water molecules in an aqueous solution engage in center-of-mass dynamics that are different from both the main structural relaxations and the well-known localized motions in the transient cages of the ...


Nature of aryl-tyrosine interactions contribute to [small beta]-hairpin scaffold stability: NMR evidence for alternate ring geometry

01-Mar-2015 | Kamlesh Madhusudan Makwana; Radhakrishnan Mahalakshmi, Physical Chemistry Chemical Physics, 2015

The specific contribution of the acidic-aromatic β-sheet favouring amino acid tyrosine to the stability of short octapeptide β-hairpin structures is presented here. Solution NMR analysis in near-apolar environments suggests the energetically favourable mode of interaction to be T-shaped ...


The chain conformation and relaxation dynamics of poly(acrylic acid)-graft-poly(ethylene oxide)-graft-dodecyl in water: effect of side-chains and distribution of counterions

01-Mar-2015 | Jingliang Li; Kongshuang Zhao, Physical Chemistry Chemical Physics, 2015

We present a study on the dielectric behavior of an aqueous solution of an amphiphilic copolymer, poly(acrylic acid)-graft-poly(ethylene oxide)-graft-dodecyl (PAA-g-PEO-g-dodecyl), in the frequency range of 40 Hz to 110 MHz at varying concentrations and temperatures. After eliminating the ...


DNA encapsulated chain and wire-like [small beta]-MnO2 organosol for oxidative polymerization of pyrrole to polypyrrole

01-Mar-2015 | Sivasankara Rao Ede; S Anantharaj; U Nithiyanantham; Subrata Kundu, Physical Chemistry Chemical Physics, 2015

DNA encapsulated chain and wire-like β-MnO2 organosol had been synthesized utilizing a two phase water-toluene extraction procedure at room temperature (RT). The β-MnO2 organosol was prepared by transferring KMnO4 and the DNA from aqueous solution separately to the organic (toluene) solvent by ...


Water/Alcohol Soluble Conjugated Polymers for the Interface Engineering of Highly Efficient Polymer Light Emitting Diodes and Polymer Solar Cells

28-Feb-2015 | Zhicheng Hu; Kai Zhang; Fei Huang; Yong Cao, Chemical Communication, 2015

Water/Alcohol soluble conjugated polymers (WSCPs), which can be processed from water/alcohol and other polar solvents, are suitable for solution processing of multi-layer organic electronic devices. By using a thin layer WSCP as the cathode interfacial material, the resulting polymer light ...


Substrate selective amide coupling driven by encapsulation of a coupling agent within a self-assembled hexameric capsule

28-Feb-2015 | Sonia Giust; Giorgio La Sorella; Laura Sperni; Giorgio Strukul; Alessandro Scarso, Chemical Communication, 2015

Encapsulation of a cationic carbodiimide condensing agent within a self-assembled hexameric capsule made of resorcin[4]arene units provides a nano-environment that efficiently steers the substrate selectivity in the amide synthesis reaction between carboxylic acids and primary amines. While in ...


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