Buscar
Mostrando ítems 1-10 de 269
Electrostatic interactions at the microscale modulate dynamics and distribution of lipids in bilayers
(Royal Society of Chemistry, 2017-02)
For decades, it has been assumed that electrostatic long-range (micron distances) repulsions in lipid bilayers are negligible due to screening from the aqueous milieu. This concept, mostly derived from theoretical calculations, ...
Similar structures but different mechanisms: Prediction of FABPs-membrane interaction by electrostatic calculation
(Elsevier Science, 2012-07)
The role of fatty acid binding proteins as intracellular fatty acid transporters may require their direct interaction with membranes. In this way different mechanisms have been previously characterized through experimental ...
Halogen Bonds Stabilised by an Electronic Exchange Channel
(Wiley Blackwell Publishing, Inc, 2021-01)
The σ-hole is an important concept which has been widely used lately to describe the halogen bond (XB) essentially as electrostatic in nature. However, this idea is not free of controversy. For the sake of this work, ...
Biological activity of antibacterial peptides matches synergism between electrostatic and non electrostatic forces
(Elsevier Science, 2014-07)
Substitution of Ala 108 and Ala 111 in the 107–115 human lysozyme (hLz) fragment results in a 20- fold increased anti-staphylococcal activity while its hemolytic activity becomes significant (30%) at very high concentrations. ...
Physical Interactions Driving the Activation/Inhibition of Calcium/Calmodulin Dependent Protein Kinase II
(Elsevier Science Inc., 2021-06)
CaMKII is a protein kinase whose function is regulated by the binding of the Calcium/Calmodulin complex (Ca2+ /CaM). It is a major player in the Long Term Potentiation process where it acts as a molecular switch, oscillating ...
Electrostatically actuated encased cantilevers
(Beilstein-Institut züur Forderung der Chemischen Wissenschaften, 2018-05)
Background: Encased cantilevers are novel force sensors that overcome major limitations of liquid scanning probe microscopy. By trapping air inside an encasement around the cantilever, they provide low damping and maintain ...
Electrostatically Driven Protein Adsorption: Charge Patches versus Charge Regulation
(American Chemical Society, 2018-12)
The mechanisms of electrostatically driven adsorption of proteins on charged surfaces are studied with a new theoretical framework. The acid-base behavior, charge distribution, and electrostatic contributions to the ...
Nanowire manipulation on surfaces through electrostatic self-assembly and magnetic interactions
(Wiley VCH Verlag, 2009-01)
A method for fabricating aligned nanowire arrays on surfaces is shown. Gold and segmented Au/Ni/Au nanowires of high aspect ratio have been prepared by template electrosynthesis, and functionalized with charged short ...
Electrostatic interactions in virus removal by ultrafiltration membranes
(ELSEVIER SCIENCE BV, 2018-02)
Ultrafiltration membranes are increasingly used in potabilization to remove viral particles. This removal iscontrolled by electrostatic repulsion, attachment and size exclusion. The effect of electrostatic interaction ...
Remotion of the antibiotic tetracycline by titania and titania-silica composed materials
(Elsevier Science, 2011-09)
Removal of the antibiotic tetracycline (TC) by TiO 2 and the mesoporous binary system TiO 2-SiO 2 have been studied in batch experiments by performing adsorption isotherms/kinetics and photodegradation kinetics under ...