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28,699 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 ...

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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.

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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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 ...

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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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