نتایج جستجو برای: حلالهای deep eutectic

تعداد نتایج: 213600  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1393

حلالهای deep eutectic اخیرا بعنوان حلالهای سبز شناخته شده اند.ای حلالها می تواند محیط مناسبی برای واکنشهای آنزیمی باشد بنابراین در این مطالعه اثر این مایعات بر فعالیت، پایداری و ساختار آنزیم لاکاز بررسی شد.

Haleh Nouri Masoud Mokhtary,

One-pot four-component synthesis of polyfunctionalized 1,4-dihydropyridine derivatives was developed by a condensation of aldehydes, malononitrile, diethylacetylenedicarboxylate and aniline in the presence of choline chloride/urea as a deep eutectic solvent (DES)at room temperature.Moreover, an efficient method was reported for the synthesis of highly substituted 4H-chromenes through one-...

2012
Najmadin Azizi Sahar Dezfuli Mohmmad Mahmoodi Hahsemi

A simple deep eutectic solvent based on tin (II) chloride was used as a dual catalyst and environmentally benign reaction medium for an efficient synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives, from aromatic and aliphatic aldehydes, 1,3-dicarbonyl compounds, and urea in good-to-excellent yields and short reaction time. This simple ammonium deep eutectic solvent, easily synthesized from...

Journal: :Physical chemistry chemical physics : PCCP 2016
Adrian Sanchez-Fernandez Thomas Arnold Andrew J Jackson Sian L Fussell Richard K Heenan Richard A Campbell Karen J Edler

Deep eutectic solvents have shown the ability to promote the self-assembly of surfactants in solution. However, some differences have been found compared with self-assembly in pure water and other polar organic solvents. The behaviour of alkyltrimethylammonium bromides in choline chloride:glycerol deep eutectic solvent has been studied by means of surface tension, X-ray and neutron reflectivity...

Deep eutectic solvents (DESs) have always been attractive to scientists due to their wide range of applications, a great interest in diverse fields including nanotechnology due to their unique properties as new green solvents. It used large-scale for chemical and electrochemical synthesis nanomaterial. DESs have had also active role in improving the size and morphology of nanomaterial during sy...

Deep eutectic solvents (DESs) have always been attractive to scientists due to their wide range of applications, a great interest in diverse fields including nanotechnology due to their unique properties as new green solvents. It used large-scale for chemical and electrochemical synthesis nanomaterial. DESs have had also active role in improving the size and morphology of nanomaterial during sy...

2012
Vivek Chidambaram Ho Beng Yeung Gao Shan

CMOS compatible metallic hermetic sealing using Al-Ge eutectic alloy for packaging MEMS devices for harsh environments has been developed. The effects of various bonding parameters on the bond quality have been extensively reported. The reliability of this eutectic joint subjected to high operating temperatures involved in deep oil well logging application has been investigated with the specifi...

Journal: :Physical chemistry chemical physics : PCCP 2017
Carmine D'Agostino Lynn F Gladden Mick D Mantle Andrew P Abbott Essa I Ahmed Azhar Y M Al-Murshedi Robert C Harris

Correction for 'Molecular and ionic diffusion in aqueous - deep eutectic solvent mixtures: probing inter-molecular interactions using PFG NMR' by Carmine D'Agostino et al., Phys. Chem. Chem. Phys., 2015, 17, 15297-15304.

Journal: :Analytical chemistry 2013
Yuntao Dai Geert-Jan Witkamp Robert Verpoorte Young Hae Choi

Developing green solvents with low toxicity and cost is an important issue for the biochemical industry. Synthetic ionic liquids and deep eutectic solvents have received considerable attention due to their negligible volatility at room temperature, high solubilization ability, and tunable selectivity. However, the potential toxicity of the synthetic ionic liquids and the solid state at room tem...

2017
Zhi Wu Rong-Rong Huang Hang Yu Yong-Chun Xie Xiao-Yan Lv Jing Su Yun-Fei Long Yan-Xuan Wen

Olivine-type LiMnPO₄/C nanorods were successfully synthesized in a chloride/ethylene glycol-based deep eutectic solvent (DES) at 130 °C for 4 h under atmospheric pressure. As-synthesized samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR) and electroc...

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