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1.965 Aktuelle Fachpublikationen zum Thema temperature

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Energy efficient microwave synthesis of mesoporous Ce0.5M0.5O2 (Ti, Zr, Hf) nanoparticles for low temperature CO oxidation in an ionic liquid – a comparative study

16.12.2014 | Tarek Alammar; Ying-Kit Chow; Anja-Verena Mudring, New Journal of Chemistry, 2014

Ce0.5M0.5O2 (M = Ti, Zr, Hf) nanoparticles have been successfully synthesized by microwave irradiation in the ionic liquid [C4mim][Tf2N] (1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide). The morphology, crystallinity, and chemical composition of the obtained materials were ...


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

12.12.2014 | 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 ...


Partial characterization of chayotextle starch composites with added polyvinyl alcohol

12.12.2014 | Montserrat B. Cotonieto‐Morales, Heidi M. Palma‐Rodríguez, Norberto Chavarría‐Hernández, Juan P. Hernández‐Uribe, Pa ..., Starch - Stärke, 2014

Composites of chayotextle starch (ChS), cellulose (C), cellulose nanoparticles (CN), and polyvinyl alcohol (PVOH) were cast and characterized in physicochemical, mechanical, barrier, and morphological studies. Low mechanical property values were observed in ChS composites. In general, the ...


Fabrication of All‐Water‐Based Self‐Repairing Superhydrophobic Coatings Based on UV‐Responsive Microcapsules

12.12.2014 | Kunlin Chen, Shuxue Zhou, Shu Yang, Limin Wu, Advanced Functional Materials, 2014

Superhydrophobic coatings that are also self‐healing have drawn much attention in recent years for improved durability in practical applications. Typically, the release of the self‐healing agents is triggered by temperature and moisture change. In this study, UV‐responsive microcapsules are ...


Mesoscale Elucidation of the Influence of Mixing Sequence in Electrode Processing

12.12.2014 | Zhixiao Liu; Vincent Battaglia; Partha P. Mukherjee, Langmuir, 2014

Mixing sequence during electrode processing affects the internal microstructure and resultant performance of a lithium-ion battery. In order to fundamentally understand the microstructure evolution during electrode processing, a mesoscale model is presented, which investigates the influence of ...


Quantitative Evaluation on Activated Property-Tunable Bulk Liquid Water with Reduced Hydrogen Bonds Using Deconvoluted Raman Spectroscopy

12.12.2014 | Hsiao-Chien Chen; Fu-Der Mai; Kuang-Hsuan Yang; Liang-Yih Chen; Chih-Ping Yang; Yu-Chuan Liu, Analytical Chemistry, 2014

Interesting properties of water with distinguishable hydrogen-bonding structure on interfacial phase or in confined environment have drawn wide attentions. However, these unique properties of water are only found within the interfacial phase and confined environment, thus, their applications are ...


Quadruple-Stimuli-Sensitive Polymeric Nanocarriers for Controlled Release under Combined Stimulation

12.12.2014 | Ziquan Cao; Hao Wu; Jie Dong; Guojie Wang, Macromolecules, 2014

Here we report a novel quadruple-stimuli-responsive block copolymer nanocarrier sensitive to pH, temperature, light, and reducing agent. The well-defined amphiphilic diblock copolymer poly(2-nitrobenzyl methacrylate)-SS-poly(dimethylaminoethyl methacrylate) (PNBM-SS-PDMAEMA) was synthesized via ...


Preparation of Pd–Co‐Based Nanocatalysts and Their Superior Applications in Formic Acid Decomposition and Methanol Oxidation

11.12.2014 | Yu‐ling Qin, Ya‐cheng Liu, Fei Liang, Li‐min Wang, ChemSusChem, 2014

Abstract Formic acid (FA) and methanol, as convenient hydrogen‐containing materials, are most widely used for fuel cells. However, using suitable and low‐cost catalysts to further improve their energy performance still is a matter of great significance. Herein, PdCo and PdCo@Pd nanocatalysts ...


Thermally Triggered Self-Assembly of Folded Proteins into Vesicles

11.12.2014 | Won Min Park; Julie A. Champion, Journal of the American Chemical Society, 2014

We report thermally triggered self-assembly of folded proteins into vesicles that incorporates globular proteins as building blocks. Leucine zipper coiled coils were combined with either globular proteins or elastin-like polypeptides as recombinant fusion proteins, which form “rod–coil” and ...


Unravelling the Dependence of Hydrogen Oxidation Kinetics on the Size of Pt Nanoparticles by in Operando Nanoplasmonic Temperature Sensing

11.12.2014 | Kristina Wettergren; Anders Hellman; Filippo Cavalca; Vladimir P. Zhdanov; Christoph Langhammer, Nano Letters, 2014

We use a noninvasive nanoscale optical-temperature measurement method based on localized surface plasmon resonance to investigate the particle size-dependence of the hydrogen oxidation reaction kinetics on model supported Pt nanocatalysts at atmospheric pressure in operando. With decreasing ...


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