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4.986 Aktuelle Fachpublikationen zum Thema temperature

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Remarkable Influence of Phenyl/Arylethynylation on the Photo­chromism of 2,2‐Diphenylbenzo­pyrans (Chromenes)

27.11.2015 | Arindam Mukhopadhyay, Vijay Kumar Maka, Jarugu Narasimha Moorthy, European Journal of Organic Chemistry, 2015

Abstract Phenyl/arylethynylation of 2,2‐diphenylbenzopyrans (i.e., chromenes) permits modulation of the spectral properties of photogenerated colored o‐quinonoid intermediates, and brings about remarkable stabilization of the latter, rendering the phenomenon of photochromism observable readily ...


Autonomous conveyer gel driven by frontal polymerization

27.11.2015 | Xiao‐Qiao Wang, Nian Liu, Cai‐Feng Wang, Su Chen, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Autonomous mechanical mass transportation for cargos on the microscale with no need of continuous external powering is of great scientific and technological interest due to their extensive applications. However, it is still challenging to create a self‐driven system applicable to ...


Polymer nanospheres formed by a microfluidic technique with Evans blue dye

27.11.2015 | Israfil Kucuk, Polymers for Advanced Technologies, 2015

In this work, the V‐shaped microfluidic junction (VMJ) device technique with gas/liquid interface was used to prepare textured polymer nanospheres from bubble bursting for drug delivery. The polymer/dye solution, N2 gas, and a volatile liquid, perfluorohexane (PFH) were simultaneously fed using ...


Applications of Biofiltration in Drinking Water Treatment – a review

26.11.2015 | Onita D. Basu, Sahil Dhawan, Kerry Black, Journal of Chemical Technology & Biotechnology, 2015

Abstract Biofiltration is a process in which an otherwise conventional granular filter is designed to remove not only fine particulates but also dissolved organic compounds through microbial degradation. Biofiltration can reduce the need for chemicals in drinking water treatment and thus ...


Elastic and Electronic Properties of TiC and TiN Crystals

25.11.2015 | Jitendra Kumar, S. K. Srivastava, Ramesh Sharma, M. Singh, K. C. Bhamu, Macromolecular Symposia, 2015

Summary A theory for evaluating the temperature variation of second, third and fourth order elastic constants (SOECs, TOECs and FOECs) for face centred cubic crystal structure solids is developed on the basis of Coulomb and Born‐Mayer potential using nearest‐neighbour distance and hardness ...


Toxicity Minimized Cryoprotectant Addition and Removal Procedures for Adherent Endothelial Cells

25.11.2015 | Allyson Fry Davidson et al., PLoS ONE, 2015

by Allyson Fry Davidson, Cameron Glasscock, Danielle R. McClanahan, James D. Benson, Adam Z. Higgins Ice-free cryopreservation, known as vitrification, is an appealing approach for banking of adherent cells and tissues because it prevents dissociation and morphological damage that may result ...


Catalytic Activity of Cationic and Neutral Silver(I)–XPhos Complexes with Nitrogen Ligands or Tolylsulfonate for Mannich and Aza‐Diels–Alder Coupling Reactions

24.11.2015 | Abdessamad Grirrane, Eleuterio Álvarez, Hermenegildo García, Avelino Corma, Chemistry - A European Journal, 2015

Abstract Cationic and neutral silver(I)–L complexes (L=Buchwald‐type biaryl phosphanes) with nitrogen co‐ligands or organosulfonate counter ions have been synthesised and characterised through their structural and spectroscopic properties. At room temperature, both cationic and neutral ...


Preparation and properties of thermoresponsive and conductive composite fibers with core‐sheath structure

23.11.2015 | Mei‐Fei Lin, Trong‐Ming Don, Fang‐Tzu Chang, Shih‐Ru Huang, Wen‐Yen Chiu, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT In this research, thermoresponsive and conductive fibers with core‐sheath structure were fabricated by coaxial electrospinning. For preparing the spinning sheath solution, poly‐(N‐isopropylacrylamide‐co‐N‐methylolacrylamide) (PNN) copolymer having thermoresponsive and cross‐linkable ...


Stepwise pyrolysis of the kerogen from the Huadian oil shale, NE China: Algaenan-derived hydrocarbons and mid-chain ketones

22.11.2015 | Author(s): Zhirong Zhang, John K. Volkman, Xiaomin Xie, Lloyd R. Snowdon, Organic Geochemistry, 2015

Publication date: Available online 17 November 2015 Source:Organic Geochemistry Author(s): Zhirong Zhang, John K. Volkman, Xiaomin Xie, Lloyd R. Snowdon Kerogen from the organic rich Eocene Huadian oil shale in NE China was subjected to sequential stepwise pyrolysis at 50 °C ...


Synthesis of Nano Calcium Hydroxide in Aqueous Medium

21.11.2015 | Aniruddha Samanta, Dipak K. Chanda, Pradip Sekhar Das, Jiten Ghosh, Anoop Kumar Mukhopadhyay, Arjun Dey, Journal of the American Ceramic Society, 2015

The present work reports a simple, inexpensive method for synthesis of calcium hydroxide [Ca(OH)2] nanoparticles (CHNPs). The method involves chemical precipitation (CP) in aqueous medium at room temperature. Calcium nitrate dihydrate [Ca(NO3)2.2H2O] and sodium hydroxide were used as precursors. ...


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