نتایج جستجو برای: co solvent

تعداد نتایج: 384677  

Journal: :Small 2021

Intercalation Capacitance The ion intercalation/deintercalation mechanism is of great significance in energy storage technology. Hence, the intercalation model sub-nanometer confined ions and solvent molecules (H2O) 2D materials was constructed by Liqiang Mai, Yuancheng Cao, co-workers to investigate effect solvent/ions co-intercalation desolvation process on performance (article number 2104649...

Journal: :Dalton transactions 2014
Hai-Bin Zhu Yan-Fang Wu Yue Zhao Jun Hu

By the combination of different metal salts and solvents, four unprecedented in situ reactions have been discovered for heterocyclic disulfide of 2-ppds (2-ppds = di[4-(pyridin-2-yl)pyrimidinyl]disulfide). In the CH3CN-DMF solvent, reaction of 2-ppds with AgNO3 produced a one-dimensional chain structure of {[Ag2(1L)2]·2CH3CN}n (1), wherein 2-ppds was converted into its sulfonate of 1L by means ...

Journal: :The Biochemical journal 1969
S B Brown I R Lantzke

1. Conductivity and u.v. and visible spectroscopic techniques were used to investigate the solution structure of the prosthetic group of the ferric haemoproteins (ferrihaem) in dimethyl sulphoxide, NN-dimethylacetamide, NN-dimethylformamide and sulpholane, and certain of their aqueous mixtures. 2. In neutral or acid dimethyl sulphoxide, chlorohaemin is monomeric and completely dissociated into ...

2001
Xuerong Zhang Thomas J. Richardson James K. Pugh

INTRODUCTION Electrolytes typically used in lithium batteries consist of a lithium salt dissolved in an organic solvent, or a mixture of these solvents. The solvents fall into two general classes: ethers or alkyl esters of carbonic acid. Because of lower volatility and higher flash point, the organic carbonates are the preferred solvent class in commercial batteries. Propylene carbonate (PC) ha...

Journal: :Biophysical chemistry 2013
Jens Smiatek Rakesh Kumar Harishchandra Hans-Joachim Galla Andreas Heuer

The influence of hydroxyectoine on the properties of the aqueous solution in presence of DPPC lipid bilayers is studied via semi-isotropic constant pressure (NPT) Molecular Dynamics simulations. We investigate the solvent-co-solute behavior in terms of Kirkwood-Buff integrals as well as hydrogen bond life times for an increasing hydroxyectoine concentration up to 0.15mol/L. The observed prefere...

Objective(S): In this work, paclitaxel (PX), a promising anticancer drug, was loaded in the basil seed mucilage (BSM) aerogels by implementation of supercritical carbon dioxide (SC-CO2) technology. Then, the effects of operating conditions were studied on the PX mean particle size (MPS), particle size distribution (PSD) and drug loading efficiency (DLE). <stron...

Journal: :Physical chemistry chemical physics : PCCP 2011
Pankaj Attri Pannuru Venkatesu

The stability of proteins under co-solvent conditions is dependant on the nature of the co-solvent; the co-solvent can alter a protein's properties and structural effects through bimolecular interactions between its functional groups and co-solvent particles. Ionic liquids (ILs) represent a rather diverse class of co-solvents that are combinations of different ions, which are liquids at or clos...

Journal: :journal of sciences islamic republic of iran 0

separation of polycyclic aromatic hydrocarbons was performed by rp-hplc using mixed micellar mobile phase. effect of temperature, types and amounts of coorganic solvent in mobile phase on efficiency, asymmetry factor and selectivity factor showed that the appropriate condition for separation of these compounds was 3% isopropanol (v/v) as co-organic solvent in mobile phase at 40°c. analysis of t...

Journal: :Frontiers in catalysis 2022

The use of water-miscible organic co-solvents in biocatalysis is a simple procedure for obtaining higher enzymatic activities toward hydrophobic substrates. However, effects on activity and stability have to be carefully evaluated, also with regard the type concentration respective co-solvent. In this contribution, we investigated evaluated effect some common biocatalytic performance recombinan...

2017
Barbara Stella Sara Bolognesi Federica Lince Daniele L. Marchisio Antonello A. Barresi Franco Dosio

The solvent displacement method involves three main steps to obtain nanoparticles: dissolution of both the polymer and the drug into a solvent, mixing of the obtained solution with the anti-solvent, and elimination of the solvent through evaporation. 1 Mixing leads to rapid diffusion of the solvent into the anti-solvent and spontaneous particle formation. Particle formation is extremely rapid a...

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