Results 21 to 30 of about 14,899,928 (306)

Modulation of phospholipase A2 by electrostatic fields and dipole potential of glycosphingolipids in monolayers

open access: yesJournal of Lipid Research, 1999
Phospholipase A2 activity against mixed monolayers of dilauroylphosphatidic acid or dilauroylphosphatidylcholine with glycosphingolipids can be reversibly modulated by external constant electrostatic fields.
Bruno Maggio
doaj   +1 more source

A Phenomenological Model for Electrical Transport Characteristics of MSM Contacts Based on GNS

open access: yesMicromachines, 2023
Graphene nanoscroll, because of attractive electronic, mechanical, thermoelectric and optoelectronics properties, is a suitable candidate for transistor and sensor applications.
Meisam Rahmani   +2 more
doaj   +1 more source

Donnan potential and surface potential of a charged membrane

open access: yesBiophysical Journal, 1985
A model is presented for the electrical potential distribution across a charged biological membrane that is in equilibrium with an electrolyte solution. We assume that a membrane has charged surface layers of thickness d on both surfaces of the membrane, where the fixed charges are distributed at a uniform density N within the layers, and that these ...
Ohshima, H., Ohki, S.
openaire   +2 more sources

Surface profile prediction and analysis applied to turning process [PDF]

open access: yes, 2008
An approach for the prediction of surface profile in turning process using Radial Basis Function (RBF) neural networks is presented. The input parameters of the RBF networks are cutting speed, depth of cut and feed rate.
LU, Chen, COSTES, Jean-Philippe
core   +1 more source

Mechanisms for surface potential decay on fluorinated epoxy in high voltage DC applications [PDF]

open access: yes, 2014
Epoxy resin has been extensively used for decades as an insulation material in high voltage transmission systems. However, this insulation material does suffer from bulk and surface charging when used as insulating spacer, mainly in high voltage DC ...
Z. An   +7 more
core   +1 more source

Surface roughness prediction in milling based on tool displacements [PDF]

open access: yes, 2011
In this paper, an experimental device using non-contact displacement sensors for the investigation of milling tool behaviour is presented. It enables the recording of high frequency tool vibrations during milling operations.
MOREAU, Vincent   +3 more
core   +1 more source

Effect of Pre-passivation on the Corrosion Behavior of PH13-8Mo Stainless Steel in Industrial—Marine Atmospheric Environment

open access: yesFrontiers in Materials, 2019
The corrosion behavior and mechanism of PH13-8Mo stainless steel with and without nitric acid passivated film were studied through 5 years of outdoor exposure tests in industry-marine atmospheric environments in Qingdao, by means of morphological ...
Yanning Liu   +5 more
doaj   +1 more source

Fluorocholesterols, in contrast to hydroxycholesterols, exhibit interfacial properties similar to cholesterol

open access: yesJournal of Lipid Research, 2000
We used an automated Langmuir-Pockels surface balance to characterize the air–water interfacial properties of cholesterol (CH) and its derivatives with hydrophilic OH and F substitutions at isologous sites on the sterol body or side chain.
John M. Kauffman   +2 more
doaj   +1 more source

Electrochemical Perspective on Hematite–Malonate Interactions

open access: yesColloids and Interfaces, 2021
Organic matter (OM) interactions with minerals are essential in OM preservation against decomposition in the environment. Here, by combining potentiometric and electrophoretic measurements, we probed the mode of coordination and the role of pH-dependent ...
Karolina Kędra   +6 more
doaj   +1 more source

Lipid monolayers: action of phospholipase A of Crotalus atrox and Naja naja venoms on phosphatidyl choline and phosphatidal choline

open access: yesJournal of Lipid Research, 1966
The activity of phospholipase A on phosphatidyl choline and phosphatidal choline spread as monolayers on phosphate buffers containing snake venom (Crotalus atrox or Naja naja) was studied by measuring the fall of surface potential as a function of time ...
Giuseppe Colacicco, Maurice M. Rapport
doaj   +1 more source

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