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2.429 Aktuelle Fachpublikationen zum Thema temperature

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Hydrogen storage in high surface area graphene scaffolds.

26.08.2015 | Alexey Klechikov; Guillaume Mercier; Tiva Sharifi; Igor Baburin; Gottard Seifert; Alexandr Talyzin, Chemical Communication, 2015

Using optimized KOH activation procedure we prepared highly porous graphene scaffold materials with SSA values up to 3400 m2/g and pore volume up to 2.2 cm3/g, which is among the highest for carbon materials. Hydrogen uptake of activated graphene samples was evaluated in a broad temperature ...

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A systematic approach for reversed phase liquid chromatographic method development of Fingolimod hydrochloride via design augmentation

23.08.2015 | Author(s): R. Suresh Kumar, Hariram Balasubramanian, Kalyanaraman Lakshminarayanan, Srinivasu K. Mullapudi, ..., Arabian Journal of Chemistry, 2015

Publication date: Available online 20 August 2015 Source:Arabian Journal of Chemistry Author(s): R. Suresh Kumar, Hariram Balasubramanian, Kalyanaraman Lakshminarayanan, Srinivasu K. Mullapudi, Katkam Srinivas, Rajeswar reddy sagyam A stability indicating reversed phase liquid ...

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A New Phenoxide Chelated IrIII N-Heterocyclic Carbene Complex and Its Application in Reductive Amination Reactions

21.08.2015 | Derya Gülcemal; Süleyman Gülcemal; Craig M. Robertson; Jianliang Xiao, Organometallics, 2015

A new phenoxide chelated [Ir(NHC)Cp*Cl] (NHC = N-heterocyclic carbene; Cp* = pentamethylcyclopentadienyl) complex (3) has been prepared by reaction of [IrCp*Cl2]2 with an in situ prepared NHC–Ag complex in dichloromethane at ambient temperature. The IrIII complex was stable toward air and ...

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Low-Temperature Atomic Layer Deposition of High Purity, Smooth, Low Resistivity Copper Films by Using Amidinate Precursor and Hydrogen Plasma

20.08.2015 | Zheng Guo; Hao Li; Qiang Chen; Lijun Sang; Lizhen Yang; Zhongwei Liu; Xinwei Wang, Chemistry of Materials, 2015

Agglomeration is a critical issue for depositing copper (Cu) thin films, and therefore, the deposition should be preferably performed below 100 °C. This work explores an atomic layer deposition (ALD) process for copper thin films deposited at temperature as low as 50 °C. The process employs ...

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Temperature- and pH-Dependent Shattering: Insoluble Fatty Ammonium Phosphate Films at Water–Oil Interfaces

19.08.2015 | Joe Forth; David J. French; Andrei V. Gromov; Stephen King; Simon Titmuss; Kathryn M. Lord; Mike J. Ridout; Pete J. ..., Langmuir, 2015

We study the films formed by tetradecylamine (TDA) at the water–dodecane interface in the presence of hydrogen phosphate ions. Using Fourier transform infrared spectroscopy (FTIR), interfacial shear rheology, confocal fluorescence microscopy, cryo-scanning electron microscopy (cryo-SEM), and ...

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Proteins in Saccharides Matrices and the Trehalose Peculiarity: Biochemical and Biophysical Properties

19.08.2015 | Cordone, Lorenzo; Cottone, Grazia; Cupane, Antonio; Emanuele, Antonio; Giuffrida, Sergio; Levantino, Matteo, Organic Chemistry, 2015

Abstract: Immobilization of proteins and other biomolecules in saccharide matrices leads to a series of peculiar properties that are relevant from the point of view of both biochemistry and biophysics, and have important implications on related fields such as food industry, pharmaceutics, ...

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Conformational Analysis of Large and Highly Disulfide-Stabilized Proteins by Integrating Online Electrochemical Reduction into an Optimized H/D Exchange Mass Spectrometry Workflow

18.08.2015 | Esben Trabjerg; Rasmus U. Jakobsen; Simon Mysling; Søren Christensen; Thomas J. D. Jørgensen; Kasper D. Rand, Analytical Chemistry, 2015

Analysis of disulfide-bonded proteins by hydrogen/deuterium exchange mass spectrometry (HDX-MS) requires effective and rapid reduction of disulfide bonds before enzymatic digestion in order to increase sequence coverage. In a conventional HDX-MS workflow, disulfide bonds are reduced chemically by ...

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Two cobalt complexes containing different nitronyl nitroxide radicals: Structure and magnetic properties

16.08.2015 | Author(s): Yu-Kun Kong, Xue-Hui Lv, Xiang-Lan Wang, Chen-Xi Zhang, Qing-Lun Wang, Inorganic Chemistry Communications, 2015

Publication date: Available online 13 August 2015 Source:Inorganic Chemistry Communications Author(s): Yu-Kun Kong, Xue-Hui Lv, Xiang-Lan Wang, Chen-Xi Zhang, Qing-Lun Wang Two Co(II) complexes based on different nitronyl nitroxide radicals were synthesized and characterized ...

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Hydrogen-doping induced reduction in the phase transition temperature of VO2: a first-principles study

13.08.2015 | Yuanyuan Cui; Siqi Shi; Lanli Chen; Hongjie Luo; Yanfeng Gao, Physical Chemistry Chemical Physics, 2015

VO2 is a promising thermochromic material that can intelligently control the transmittance of sunlight in the near-infrared region in response to temperature change, although the high phase transition temperature (Tc) of 340 K restricts its wide application. Our first-principles calculations show ...

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Improvement in Hydrogen Desorption from β‐ and γ‐MgH2 upon Transition‐Metal Doping

12.08.2015 | Tanveer Hussain, Tuhina Adit Maark, Sudip Chakraborty, Rajeev Ahuja, ChemPhysChem, 2015

Abstract The front cover artwork is provided by Dr. Tuhina Adit Maark (current affiliation: IIT Madras, India). The image shows that upon doping with transition metals the high‐pressure phases β‐ and γ‐MgH2 desorb H2 at a lower temperature than the pure hydrides. The released H2 is used in ...

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