4.8 Article

Biomimetic Mono layer and Bilayer Membranes Made From Amphiphilic Block Copolymer Micelles

Journal

ACS NANO
Volume 6, Issue 2, Pages 1532-1540

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/nn204491q

Keywords

polymer adsorption; biomimetic membranes; self-assembly; block copolymers; micelles; surfactants

Funding

  1. U.S. Department of Energy [DE-AC52-06NA25396]

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The deposition of amphiphilic poly(ethylene oxide)-block-poly(butadiene) (PEO-b-PBD) copolymer micelles is demonstrated on solid substrates. Depending upon surface chemistry, micelle adsorption creates either monolayer or bilayer films. Lateral diffusion measurements reveal that strong coupling between hydrophilic surfaces and PEO blocks creates immobile bilayers, while monolayers retain the fluidity previously observed in vesicular assemblies.

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