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2.038 Aktuelle Fachpublikationen zum Thema temperature

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Continuous Control of Optical Gaps in Quasi-One-Dimensional Bromide-Bridged Platinum Complexes by Utilizing Chemical Pressure

23.10.2014 | Shohei Kumagai; Hiroaki Iguchi; Shinya Takaishi; Brian K. Breedlove; Masahiro Yamashita; Hiroyuki Matsuzaki; Hiroshi ..., Inorganic Chemistry, 2014

The optical gap in a series of bromo-bridged platinum chain complexes, [Pt(en)2Br](Cn–Y)2·H2O (en = ethylenediamine; Cn–Y = dialkyl sulfosuccinate; n = the number of carbon atoms), was controlled by using chemical pressure. From the single-crystal structure, [Pt(en)2Br](C6–Y)2·H2O is in a ...

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Electrochemical degradation of tramadol hydrochloride: Novel use of potentiometric carbon paste electrodes as a tracer

21.10.2014 | Author(s): Nasser Abu Ghalwa , Hazem M. Abu-Shawish , Farid R. Zaggout , Salman M. Saadeh , Ayoub R. Al-Dalou , ..., Arabian Journal of Chemistry, 2014

Publication date: November 2014 Source:Arabian Journal of Chemistry, Volume 7, Issue 5 Author(s): Nasser Abu Ghalwa , Hazem M. Abu-Shawish , Farid R. Zaggout , Salman M. Saadeh , Ayoub R. Al-Dalou , Anwar A. Abou Assi The electrochemical removal of tramadol hydrochloride from aqueous ...

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The Direct Electrophilic Cyanation of [small beta]-Keto Esters and Amides with Cyano Benziodoxole

21.10.2014 | Yao-Feng Wang; Jiashen Qiu; Dejie Kong; Yongtao Gao; Feipeng Lu; Pran Gopal Karmaker; fuxue chen, Organic & Biomolecular Chemistry, 2014

The direct electrophilic α-cyanation of β-keto esters and amides has been developed using hypervalent iodine benziodoxole-derived cyano reagent. It accomplishes within 10 min without any catalyst in DMF at room temperature. Thus, the highly functionallized quaternary carbon-centered nitriles were ...

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Promoting alkali and alkaline-earth metals on MgO for enhancing CO2 capture by first-principles calculations

21.10.2014 | Kiwoong Kim; Jeong Woo Han; Kwang Soon Lee; Won Bo Lee, Physical Chemistry Chemical Physics, 2014

Developing next-generation solid sorbents to improve the economy of pre- and post-combustion carbon capture processes has been challenging for many researchers. Magnesium oxide (MgO) is a promising sorbent because of its moderate sorption–desorption temperature and low heat of sorption. However, ...

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Low-Temperature Molecular Motions in Lipid Bilayers in the Presence of Sugars: Insights into Cryoprotective Mechanisms

21.10.2014 | Konstantin B. Konov; Nikolay P. Isaev; Sergei A. Dzuba, Journal of Physical Chemistry B, 2014

Sugars and sugar alcohols can stabilize biological systems under extreme conditions of desiccation and freezing. Phospholipid bilayers solvated by aqueous solutions of sucrose, trehalose, and sorbitol at concentrations of 0.2 and 1 M and containing incorporated spin-labeled stearic acids were ...

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Xenon(IV)–Carbon Bond of [C6F5XeF2]+; Structural Characterization and Bonding of [C6F5XeF2][BF4], [C6F5XeF2][BF4]·2HF, and [C6F5XeF2][BF4]·nNCCH 3 (n = 1, 2); and the Fluorinating Properties of [C6F5XeF2][BF4]

20.10.2014 | Karsten Koppe; Jamie Haner; Hélène P. A. Mercier; Hermann-J. Frohn; Gary J. Schrobilgen, Inorganic Chemistry, 2014

The [C6F5XeF2]+ cation is the only example of a XeIV–C bond, which had only been previously characterized as its [BF4]− salt in solution by multi-NMR spectroscopy. The [BF4]− salt and its new CH3CN and HF solvates, [C6F5XeF2][BF4]·1.5CH3CN and [C6F5XeF2][BF4]·2HF, have now been synthesized and ...

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Unexpected Fluorescence of Polyols and PEGylated Nanoparticles Derived from Carbon Dot Formation

16.10.2014 | Hailong Dong, Marcus Roming, Claus Feldmann, Particle & Particle Systems Characterization, 2014

Synthesis of nanoparticles in high‐boiling alcohols (so‐called polyol synthesis) and surface functionalization of nanoparticles with polyethylene glycol (so‐called PEGylation) in combination with certain heating are often accompanied with an intense fluorescence in the blue to green spectral ...

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Temperature‐Dependent Electrical Transport in Polymer‐Sorted Semiconducting Carbon Nanotube Networks

14.10.2014 | Jia Gao, Yueh‐Lin (Lynn) Loo, Advanced Functional Materials, 2014

The temperature dependence of the electrical characteristics of field‐effect transistors (FETs) based on polymer‐sorted, large‐diameter semiconducting carbon nanotube networks is investigated. The temperature dependences of both the carrier mobility and the source‐drain current in the range of ...

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NIR provides excellent predictions of properties of biocoal from torrefaction and pyrolysis of biomass

14.10.2014 | Torbjörn Albert Lestander; Magnus Rudolfsson; Linda Pommer; Anders Nordin, Green Chemistry, 2014

When biomass is exposed to high temperatures in torrefaction, pyrolysis or gasification treatments, the enrichment of carbon in the remaining ‘green coal’ is correlated with the temperature. Various other properties, currently measured using wet chemical methods, which affect the materials’ ...

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Physical and bacterial controls on inorganic nutrients and dissolved organic carbon during a sea ice growth and decay experiment

12.10.2014 | Author(s): J. Zhou , B. Delille , H. Kaartokallio , G. Kattner , H. Kuosa , J.-L. Tison , R. Autio , G.S. Di ..., Marine Chemistry, 2014

Publication date: Available online 5 October 2014 Source:Marine Chemistry Author(s): J. Zhou , B. Delille , H. Kaartokallio , G. Kattner , H. Kuosa , J.-L. Tison , R. Autio , G.S. Dieckmann , K.-U. Evers , L. Jørgensen , H. Kennedy , M. Kotovitch , A.-M. Luhtanen , C.A. ...

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