Abstract
We have recorded nanoscale topography and infrared chemical fingerprints of attomole layered lipids consisting of dimyristoylpho-sphatidylcholine on silicon and mica. Lipids deposited on mica built stacks consisting of up to 25 bilayers, each approximately 5 nm thick, spanning a range from 5-125 nm in height. Contrast evaluation as a function of layer thickness provides the near-field depth resolution.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aluminum Silicates / chemistry
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Cell Membrane / metabolism
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Dimyristoylphosphatidylcholine / chemistry
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Equipment Design
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Lipid Bilayers / chemistry*
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Microscopy / methods*
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Microscopy, Atomic Force / methods
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Nanoparticles / chemistry
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Nanostructures / chemistry
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Nanotechnology / methods*
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Optics and Photonics*
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Silicon / chemistry
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Spectroscopy, Near-Infrared / methods*
Substances
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Aluminum Silicates
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Lipid Bilayers
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Dimyristoylphosphatidylcholine
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mica
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Silicon