نتایج جستجو برای: membrane modification

تعداد نتایج: 510130  

Journal: :Journal of materials research and technology 2021

Abstract The discharge of oily wastewater and offshore oil spills contaminates the biotic aquatic environment ultimately result in destruction ecosystem. Recently, application ceramic membranes has gained prodigious attention due to its efficiency oil-water separation process. Ceramic developed from inorganic materials are considered as most promising technology for treatment industrial wastewa...

Journal: :Current Biology 2004
Todd R Graham

Post-translational modification with myristoyl or prenyl groups is essential for membrane association of many small GTPases in the Ras superfamily. Two recent papers show that, rather than myristoylation, amino-terminal acetylation of the Arf-like protein Arl3p is required for Golgi targeting via an interaction with an integral membrane protein called Sys1.

Journal: :ChemElectroChem 2023

Water electrolysis is by far the most appealing method to produce green hydrogen. Among possible technologies, Anion Exchange Membrane (AEM) water electrolyzers are promising in medium term, as they make it avoid critical and noble materials catalyst components. However, AEMs still lacking performance stability, which has become current research focus. Here, we report facile inexpensive chemica...

Journal: :Chemical engineering research & design 2022

We report here a method for enhancing the non-oxygen functionalization of graphene nanosheets. This improvement is taken place by increasing oxygen functional groups as active reaction sites on oxide cold plasma treatment followed substitution octadecylamine (ODA). The FTIR, XPS, XRD, RAMAN, and TGA analyses verified that modification could increase amount 61%. plasma-treated functionalized nan...

Journal: :Journal of physics 2022

Abstract With the development of industry, more and oily wastewater is discharged into water, which brings great harm to ecological environment human health. Membrane separation technology a very promising for treatment. In this experiment, 1:1 mixed solution formic acid dichloromethane (FA/DCM) was used as solvent prepare PA66 microfiltration membrane by evaporation method, nano-SiO 2 modify w...

Journal: :The Journal of biological chemistry 2008
P Ryan Steed Robert H Fillingame

Rotary catalysis in F(1)F(0) ATP synthase is powered by proton translocation through the membrane-embedded F(0) sector. Proton binding and release occurs in the middle of the membrane at Asp-61 on transmembrane helix 2 of subunit c. Previously, the reactivity of cysteines substituted into F(0) subunit a revealed two regions of aqueous access, one extending from the periplasm to the middle of th...

Journal: :Journal of cell science 2002
Praveen Babu Joshua D Bryan Heather R Panek Solomon L Jordan Brynn M Forbrich Shannon C Kelley Richard T Colvin Lucy C Robinson

The S. cerevisiae Yck2 protein is a plasma membrane-associated member of the casein kinase 1 protein kinase family that, with its homolog Yck1p, is required for bud morphogenesis, cytokinesis, endocytosis and other cellular processes. Membrane localization of Yckp is critical for its function, since soluble mutants do not provide sufficient biological activity to sustain normal growth. Yck2p ha...

Journal: :The Journal of Cell Biology 2007
Jennifer Greaves Luke H. Chamberlain

S-palmitoylation is a posttranslational modification that regulates membrane-protein interactions. However, palmitate is more than just a hydrophobic membrane anchor, as many different types of protein are palmitoylated, including transmembrane proteins. Indeed, there is now compelling evidence that palmitoylation plays a key role in regulating various aspects of protein sorting within the cell.

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