Nucleation and Growth of Ordered Arrays of Silver Nanoparticles on Peptide Nanofibers: Hybrid Nanostructures with Antimicrobial Properties
Abstract
Silver nanoparticles have been of great interest as plasmonic substrates for sensing and imaging, catalysts, or antimicrobial systems. Their physical properties are strongly dependent on parameters that remain challenging to control such as size, chemical composition, and spatial distribution. We report here on supramolecular assemblies of a novel peptide amphiphile containing aldehyde functionality in order to reduce silver ions and subsequently nucleate silver metal nanoparticles in water. This system spontaneously generates monodisperse silver particles at fairly regular distances along the length of the filamentous organic assemblies. The metal–organic hybrid structures exhibited antimicrobial activity and significantly less toxicity toward eukaryotic cells. Metallized organic nanofibers of the type described here offer the possibility to create hydrogels, which integrate the useful functions of silver nanoparticles with controllable metallic content.
- Authors:
-
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States
- Publication Date:
- Research Org.:
- Northwestern Univ., Evanston, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1250930
- Alternate Identifier(s):
- OSTI ID: 1439055; OSTI ID: 1820626
- Grant/Contract Number:
- FG02-00ER45810
- Resource Type:
- Published Article
- Journal Name:
- Journal of the American Chemical Society
- Additional Journal Information:
- Journal Name: Journal of the American Chemical Society Journal Volume: 138 Journal Issue: 17; Journal ID: ISSN 0002-7863
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 99 GENERAL AND MISCELLANEOUS; Supramolecular structures and assemblies; Nanofibers; Metal nanoparticles; Aldehydes; Silver; Supramolecular structures and assemblies,Nanofibers,Metal nanoparticles,Aldehydes,Silver
Citation Formats
Pazos, Elena, Sleep, Eduard, Rubert Pérez, Charles M., Lee, Sungsoo S., Tantakitti, Faifan, and Stupp, Samuel I. Nucleation and Growth of Ordered Arrays of Silver Nanoparticles on Peptide Nanofibers: Hybrid Nanostructures with Antimicrobial Properties. United States: N. p., 2016.
Web. doi:10.1021/jacs.6b01570.
Pazos, Elena, Sleep, Eduard, Rubert Pérez, Charles M., Lee, Sungsoo S., Tantakitti, Faifan, & Stupp, Samuel I. Nucleation and Growth of Ordered Arrays of Silver Nanoparticles on Peptide Nanofibers: Hybrid Nanostructures with Antimicrobial Properties. United States. https://doi.org/10.1021/jacs.6b01570
Pazos, Elena, Sleep, Eduard, Rubert Pérez, Charles M., Lee, Sungsoo S., Tantakitti, Faifan, and Stupp, Samuel I. Fri .
"Nucleation and Growth of Ordered Arrays of Silver Nanoparticles on Peptide Nanofibers: Hybrid Nanostructures with Antimicrobial Properties". United States. https://doi.org/10.1021/jacs.6b01570.
@article{osti_1250930,
title = {Nucleation and Growth of Ordered Arrays of Silver Nanoparticles on Peptide Nanofibers: Hybrid Nanostructures with Antimicrobial Properties},
author = {Pazos, Elena and Sleep, Eduard and Rubert Pérez, Charles M. and Lee, Sungsoo S. and Tantakitti, Faifan and Stupp, Samuel I.},
abstractNote = {Silver nanoparticles have been of great interest as plasmonic substrates for sensing and imaging, catalysts, or antimicrobial systems. Their physical properties are strongly dependent on parameters that remain challenging to control such as size, chemical composition, and spatial distribution. We report here on supramolecular assemblies of a novel peptide amphiphile containing aldehyde functionality in order to reduce silver ions and subsequently nucleate silver metal nanoparticles in water. This system spontaneously generates monodisperse silver particles at fairly regular distances along the length of the filamentous organic assemblies. The metal–organic hybrid structures exhibited antimicrobial activity and significantly less toxicity toward eukaryotic cells. Metallized organic nanofibers of the type described here offer the possibility to create hydrogels, which integrate the useful functions of silver nanoparticles with controllable metallic content.},
doi = {10.1021/jacs.6b01570},
journal = {Journal of the American Chemical Society},
number = 17,
volume = 138,
place = {United States},
year = {Fri Apr 22 00:00:00 EDT 2016},
month = {Fri Apr 22 00:00:00 EDT 2016}
}
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https://doi.org/10.1021/jacs.6b01570
https://doi.org/10.1021/jacs.6b01570
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Cited by: 106 works
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