Journal
ADVANCED MATERIALS
Volume 23, Issue 31, Pages 3517-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201101053
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- Hebrew University
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Liposomes of hydrogenated soy phosphatidylcholine (PC) lipids spontaneously self-assemble in close-packed layers on solid surfaces to form boundary lubricants that reduce the coefficient p of sliding friction between them down to mu approximate to 10(-4) - 2 x 10(-5), at pressures up to ca. 12 MPa. This strikingly low value is attributed to hydration-lubrication by the PC headgroups exposed at the surfaces of the gel-phase vesicles.
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