Nanoparticle-Induced Permeability of Lipid Membranes

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Sergey Pogodin, Marco Werner, Jens-Uwe Sommer, Vladimir A. Baulin

ACS Nano, DOI: 10.1021/nn3028858 (2012)

Monte Carlo simulations using the bond fluctuation method with explicit solvent reveal the mechanism of enhanced permeability of lipid bilayers induced by the adsorption of nanoparticles with controlled hydrophobicity. Simulation results indicate an adsorption transition of nanoparticles on the bilayer in a certain range of relative degree of hydrophobicity. In this range the nanoparticles can translocate through the bilayer, reversibly destabilizing the structure of the bilayer and inducing enhanced permeability for water and small solutes. This transition is broader for amphiphilic nanoparticles.

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name=”Jens-Uwe Sommer”
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name=”Vladimir Baulin”
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Written by Vladimir Baulin
<p>Expertise is computer simulations and theory of soft matter systems. Research is focused on the topics in the theory of Soft matter, polymer physics.</p>
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