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|e rakwb
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|a eng
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| 100 |
1 |
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|a Wu, Li-Qun
|e verfasserin
|4 aut
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| 245 |
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|a Chitosan-mediated and spatially selective electrodeposition of nanoscale particles
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
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|a Date Completed 08.08.2006
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|a Date Revised 15.11.2006
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|a published: Print
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|a Citation Status MEDLINE
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|a Nanoscale particles offer a variety of interesting properties, and there is growing interest in their assembly into higher ordered structures. We report that the pH-responsive aminopolysaccharide chitosan can mediate the electrodeposition of model nanoparticles. Chitosan is known to electrodeposit at the cathode surface in response to a high localized pH. To demonstrate that chitosan can mediate nanoparticle deposition, we suspended fluorescently labeled latex nanoparticles (100 nm diameter spheres) in a chitosan solution (1%) and performed electrodeposition (0.05 mA/cm2 for several minutes). Results demonstrate that chitosan is required for nanoparticle electrodeposition; chitosan confers spatial selectivity to electrodeposition; and nanoparticles distribute throughout the electrodeposited chitosan film. Additionally, we observed that the deposited films reversibly swell upon rehydration. This work indicates that chitosan provides a simple means to assemble nanoparticles at addressable locations and provides further evidence that stimuli-responsive biological materials may facilitate fabrication at the microscale
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Biocompatible Materials
|2 NLM
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|a Fluorescent Dyes
|2 NLM
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|a Latex
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|a Chitosan
|2 NLM
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| 650 |
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|a 9012-76-4
|2 NLM
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| 700 |
1 |
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|a Lee, Kyuyong
|e verfasserin
|4 aut
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|a Wang, Xiang
|e verfasserin
|4 aut
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| 700 |
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|a English, Douglas S
|e verfasserin
|4 aut
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|a Losert, Wolfgang
|e verfasserin
|4 aut
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|a Payne, Gregory F
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 21(2005), 8 vom: 12. Apr., Seite 3641-6
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|x 1520-5827
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