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Increased Optoelectronic Quality and Uniformity of Hydrogenated p-InP Thin Films

23.06.2016 | Hsin-Ping Wang; Carolin M. Sutter-Fella; Peter Lobaccaro; Mark Hettick; Maxwell Zheng; Der-Hsien Lien; D. Westley Mi ..., Chemistry of Materials, 2016

The thin-film vapor–liquid–solid (TF-VLS) growth technique presents a promising route for high quality, scalable, and cost-effective InP thin films for optoelectronic devices. Toward this goal, careful optimization of material properties and device performance is of utmost interest. Here, we show ...

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Solid-State NMR Investigation of the Conformation, Proton Conduction, and Hydration of the Influenza B Virus M2 Transmembrane Proton Channel

23.06.2016 | Jonathan K. Williams; Daniel Tietze; Myungwoon Lee; Jun Wang; Mei Hong, Journal of the American Chemical Society, 2016

Together with the influenza A virus, influenza B virus causes seasonal flu epidemics. The M2 protein of influenza B (BM2) forms a tetrameric proton-conducting channel that is important for the virus lifecycle. BM2 shares little sequence homology with AM2, except for a conserved HxxxW motif in the ...

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2-Pyridinyl-N-(2,4-difluorobenzyl)aminoethyl Group As Thermocontrolled Implement for Protection of Carboxylic Acids

23.06.2016 | Jolanta Brzezinska; Agnieszka Witkowska; Sandra Bałabańska; Marcin K. Chmielewski, Organic Letters, 2016

A thermolabile protecting group strategy for carboxylic acids is expanded. Thermosensitive esters are readily prepared using a known procedure, and their stability under neutral condition is investigated. Effective thermolytic deprotection initiated only by temperature for different carboxylic ...

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Sustainability, Vol. 8, Pages 586: Sustainable Assessment of Aerosol Pollution Decrease Applying Multiple Attribute Decision-Making Methods

23.06.2016 | Čereška, Audrius ; Zavadskas, Edmundas Kazimieras; Cavallaro, Fausto ; Podvezko, Valentinas ; Tetsman, Ina ; Grinber ..., Sustainability, 2016

Air pollution with various materials, particularly with aerosols, increases with the advances in technological development. This is a complicated global problem. One of the priorities in achieving sustainable development is the reduction of harmful technological effects on the environment and ...

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Scherzonen

22.06.2016 | Robert Sturm, Chemie in unserer Zeit, 2016

Abstract Innerhalb von Scherzonen, entlang derer die Verschiebung unterschiedlich großer Einheiten der Erdkruste erfolgt, kommt es durch chemische Reaktionen zu einem Umbau der Gesteinsmineralogie. Diese metamorphe Umwandlung erfährt vom Rand zum Zentrum der Scherzone eine fortwährende ...

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Melt‐mixing small diameter glass fiber and epoxy resin in internal mixer without solvent for strain gage substrate

22.06.2016 | Renlu Han, Gaoqiang Wang, Yafei Hou, You Wang, Polymer Composites, 2016

Glass fiber reinforced epoxy is prepared by melt‐mixing glass fiber of 1 μm in diameter and epoxy resin without adding solvent in internal mixer. Strain gage substrate is made of the prepared glass fiber‐reinforced epoxy using a three‐roller grinder and characterized by SEM, DSC, DMA, and TGA. ...

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Flexural fatigue behavior of a pultruded basalt fiber reinforced epoxy plate subjected to elevated temperatures exposure

22.06.2016 | Zike Wang, Zhaohui Yang, Yongming Yang, Guijun Xian, Polymer Composites, 2016

In the present article, effects of elevated temperature treatment on the flexural fatigue behavior of a pultruded basalt fiber reinforced epoxy plates (BFRPs) were investigated. Elevated temperature treatment conditions were set as 150 and 250°C for 0.5, 1, and 2 h in an oven. The static testing ...

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Synthesis of Cyclopenta-fused Polycyclic Aromatic Hydrocarbons Utilizing Aryl-substituted Anilines

22.06.2016 | Yeojin Choi; Tanmay Chatterjee; Jun Kim; Jun Soo Kim; Eun Jin Cho, Organic & Biomolecular Chemistry, 2016

Cyclopenta-fused polycyclic aromatic hydrocarbons (CP-PAHs), potentially electronically and biologically highly active materials, were synthesized from readily available 2-aryl-substituted anilines. Reactions occur under extremely mild, room temperature conditions using tBuONO as the sole ...

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Excitation dependent Raman studies of self-seeded grown InN nanoparticles with different carrier concentration

22.06.2016 | Kishore K Madapu; Shyamala Polaki; Sandip Dhara, Physical Chemistry Chemical Physics, 2016

High quality InN nanoparticles are grown using atmospheric chemical vapour deposition technique via a self-seeded catalytic approach in the temperature range of 580 - 650 oC. In this temperature region, nucleation barrier of InN is overcome by seeding the low density In nano-particles prior to ...

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Temperature Dependent Structures and Properties of Bi0.5Na0.5TiO3-Based Lead Free Piezoelectric Composite

22.06.2016 | Ji Zhang; Lei Sun; Xiao-Yu Geng; Bin-Bin Zhang; Guoliang Yuan; Shan-Tao Zhang, Dalton Transactions, 2016

The thermal depolarization around 100°C of the Bi0.5Na0.5TiO3-based piezoelectric solid solutions leads to the disappearance of macroscopic ferroelectric/piezoelectric properties and remains a longstanding obstacle for their actual applications. In this paper, we report that the lead-free ...

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