Assembly of poly(dopamine) films mixed with a nonionic polymer

Poly(dopamine) (PDA) coatings have recently attracted considerable interest for a variety of applications. Here, we investigate the film deposition of dopamine mixed with a nonionic polymer (i.e., poly(ethylene glycol) (PEG), poly(vinyl alcohol) (PVA), and poly(N-vinyl pyrrolidone) (PVP)) onto silic...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 51 vom: 21. Dez., Seite 17585-92
1. Verfasser: Zhang, Yan (VerfasserIn)
Weitere Verfasser: Thingholm, Bo, Goldie, Kenneth N, Ogaki, Ryosuke, Städler, Brigitte
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Biocompatible Materials Indoles Liposomes Polymers polydopamine Silicon Dioxide 7631-86-9
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520 |a Poly(dopamine) (PDA) coatings have recently attracted considerable interest for a variety of applications. Here, we investigate the film deposition of dopamine mixed with a nonionic polymer (i.e., poly(ethylene glycol) (PEG), poly(vinyl alcohol) (PVA), and poly(N-vinyl pyrrolidone) (PVP)) onto silica substrates using X-ray photoelectron spectroscopy and quartz crystal microbalance. Furthermore, we assess the possibility of coating silica colloids to yield polymer capsules and liposomes with these mixtures. We found that mixed PDA/PEG and PDA/PVA films are deposited without the need for a covalent linker such as an amine or thiol. We also discovered the first material, namely, PVP, that can suppress PDA film assembly. These fundamental findings give further insight into PDA film properties and contribute to establish PDA as a widely applicable coating 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Goldie, Kenneth N  |e verfasserin  |4 aut 
700 1 |a Ogaki, Ryosuke  |e verfasserin  |4 aut 
700 1 |a Städler, Brigitte  |e verfasserin  |4 aut 
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