Journal
NANO LETTERS
Volume 11, Issue 5, Pages 2066-2070Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl200542m
Keywords
Atomic force microscopy; biophysics; biological interfaces; lipid membranes
Categories
Funding
- Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-AC02-76SF00515]
- NSF Center for Probing the Nanoscale [PHY-0425897]
- Direct For Mathematical & Physical Scien
- Division Of Physics [830228] Funding Source: National Science Foundation
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Nanoscale patterning of hydrophobic bands on otherwise hydrophilic surfaces allows integration of inorganic structures through biological membranes, reminiscent of transmembrane proteins. Here we show that a set of innate molecular properties of the self-assembling hydrophobic band determine the resulting interface stability. Surprisingly, hydrophobicity is found to be a secondary factor with monolayer crystallinity the major determinate of interface strength. These results begin to establish guidelines for seamless bioinorganic integration of nanoscale probes with lipid membranes.
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