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4,403 Newest Publications about the topic solution

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Supramolecular photochemistry: from molecular crystals to water-soluble capsules

17-Dec-2014 | V. Ramamurthy; Shipra Gupta, Chemical Society Reviews, 2014

Photochemical and photophysical behavior of molecules in supramolecular assemblies are different and more selective than in gas and isotropic solution phases. Knowledge of the inherent electronic and steric properties of the reactant is insufficient to predict the excited state behavior of ...

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A water-soluble glucose-functionalized cobalt(III) complex as an efficient electrocatalyst for hydrogen evolution under neutral conditions

17-Dec-2014 | Xuguang Yin; Cuibo Liu; Sifei Zhuo; You Xu; Bin Zhang, Dalton Transactions, 2014

A water-soluble glucose-functionalized cobalt(iii) complex [CoIII(dmgH)2(py-glucose)Cl] is active and stable for electrocatalytic hydrogen production in neutral aqueous solution.

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Effect of operating conditions on size and morphology of amylose nanoparticles prepared by precipitation

12-Dec-2014 | Yan Dong, Yanjiao Chang, Qian Wang, Jin Tong, Jiang Zhou, Starch - Stärke, 2014

Nano‐sized amylose particles were prepared by precipitating amylose solution (using DMSO/water mixture as solvent) with absolute ethanol. Effects of operating conditions, including temperature and solvent composition for preparing amylose solution, amylose concentration, ethanol amount used for ...

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Erweiterung der Anwendungsbereiche für Flüssigkeitsringpumpen

12-Dec-2014 | Christoph Schreiber, Markus Kopf, Vakuum in Forschung und Praxis, 2014

Abstract Die Technologie der Flüssigkeitsringpumpe hat sich durch technische Weiterentwicklung und Optimierung auf spezielle Anwendungen einen festen Platz in der Technik gesichert. Dank der neuen Kreislaufaggregate sind jetzt Plug & Play Lösungen möglich. In der Kombination mit dem kompakten ...

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Optimal design and operations of water supply chain networks for shale gas production: MILFP model and algorithms for the water‐energy nexus

12-Dec-2014 | Jiyao Gao, Fengqi You, AIChE Journal, 2014

Abstract The optimal design and operations of water supply chain networks for shale gas production is addressed. A mixed‐integer linear fractional programming (MILFP) model is developed with the objective to maximize profit per unit freshwater consumption, such that both economic performance ...

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Polypropylene membranes with the double sensitivity effect

12-Dec-2014 | Joanna Wolska, Katarzyna Smolinska‐Kempisty, Marek Bryjak, Wojciech Kujawski, Journal of Applied Polymer Science, 2014

ABSTRACT This article describes the modification of polypropylene membranes leading to the preparation of thermo‐ and pH‐sensitive structures. Poly(N‐isopropylacrylamide), poly(acrylic acid), or copolymer poly(N‐isopropylacrylamide‐co‐acrylic acid) was grafted on to the membranes' surface ...

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Interfacing Microwells with Nanoliter Compartments: A Sampler Generating High-Resolution Concentration Gradients for Quantitative Biochemical Analyses in Droplets

12-Dec-2014 | Fabrice Gielen; Tomas Buryska; Liisa Van Vliet; Maren Butz; Jiri Damborsky; Zbynek Prokop; Florian Hollfelder, Analytical Chemistry, 2014

Analysis of concentration dependencies is key to the quantitative understanding of biological and chemical systems. In experimental tests involving concentration gradients such as inhibitor library screening, the number of data points and the ratio between the stock volume and the volume required ...

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Hydration and Ordering of Lamellar Block Copolymer Films under Controlled Water Vapor

12-Dec-2014 | Yohei Kamata; Andrew J. Parnell; Philipp Gutfreund; Maximilian W. A. Skoda; Andrew J. C. Dennison; Robert Barker; Sh ..., Macromolecules, 2014

Amphiphilic block copolymers within a range of volume fraction spontaneously form vesicles in aqueous solution, where a water core is enclosed by a polymer bilayer. Thin-film rehydration is a method used to produce vesicles routinely; a thin film is immersed in water, the film swells, and ...

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Viscosity and Density of Aqueous Solutions of Carbon Dioxide at Temperatures from (274 to 449) K and at Pressures up to 100 MPa

12-Dec-2014 | Mark McBride-Wright; Geoffrey C. Maitland; J. P. Martin Trusler, Journal of Chemical & Engineering Data, 2014

The viscosity and density of aqueous solutions of carbon dioxide having mole fractions of CO2 of 0.0086, 0.0168, and 0.0271 are reported. The measurements were made in the single-phase compressed liquid region at temperatures between (294 and 449) K at pressures up to 100 MPa; additional density ...

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Including Thermal Disorder of Hydrogen Bonding to Describe the Vibrational Circular Dichroism Spectrum of Zwitterionic l-Alanine in Water

11-Dec-2014 | Ednilsom Orestes; Carlos Bistafa; Roberto Rivelino; Sylvio Canuto, Journal of Physical Chemistry A, 2014

The vibrational circular dichroism (VCD) spectrum of l-alanine amino acid in aqueous solution in ambient conditions has been studied. The emphasis has been placed on the inclusion of the thermal disorder of the solute–solvent hydrogen bonds that characterize the aqueous solution condition. A ...

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