Dip-pen patterning and surface assembly of peptide amphiphiles

This paper presents results on controlling the surface morphology of evaporation-driven self-assembly of peptide amphiphile (PA) nanofibers by dip-pen nanolithography. These PA nanofibers, which measure only a few nanometers in diameter, can be oriented perpendicularly to the receding edge of a solu...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 21(2005), 12 vom: 07. Juni, Seite 5242-6
1. Verfasser: Jiang, Hongzhou (VerfasserIn)
Weitere Verfasser: Stupp, Samuel I
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Letter Research Support, U.S. Gov't, Non-P.H.S. Peptides Surface-Active Agents Polyethylene Glycols 3WJQ0SDW1A
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520 |a This paper presents results on controlling the surface morphology of evaporation-driven self-assembly of peptide amphiphile (PA) nanofibers by dip-pen nanolithography. These PA nanofibers, which measure only a few nanometers in diameter, can be oriented perpendicularly to the receding edge of a solution. Dragging a meniscus of PA ink with an atomic force microscope (AFM) tip creates reproducibly aligned arrays of isolated and close-packed PA nanofiber patterns on silicon substrates, utilizing surface coating of poly(ethylene glycol) to suppress the self-assembly of nanofibers on AFM tips. We also demonstrate the ability to construct double-layer patterns of differing nanofiber orientations at the same position. This result could be important in producing a complex, multilayer pattern of these peptide-based supramolecular nanostructures 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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