Au ion-mediated Self-assembled Tyrosine-rich Peptide Nanostructure Embedded with Gold Nanoparticle Satellites

Title
Au ion-mediated Self-assembled Tyrosine-rich Peptide Nanostructure Embedded with Gold Nanoparticle Satellites
Authors
김영오Namhun LeeHyung-Seok JangMinwoo LeeHong-Jun ChoDae Hong JeongDong-Sik ShinYoon-Sik LeeDae-Won LeeSang-Myung Lee
Issue Date
2018-08
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 64-466
Abstract
We report a gold ion-mediated self-assembled tyrosine-rich peptide (TRP) spherical nanostructure with gold nanoparticle (AuNP) satellites (YC7@AuSat). We clarified that non-reduced gold ions, coordinated with TPRs are not only one another critical driving force for TRP spherical self-assembly together with instant thermal transition, but also play an key role to determine the spherical shape of TRP nanostructures. Furthermore, the pH and the concentrations (buffer, peptides, and AuCl4− ) are considered as important parameters to obtain optimal YC7@AuSat nanostructures. In addition, plasmonic properties of YC7@AuSat nanostructures were investigated for localized surface plasmon resonance (LSPR) and surface enhanced Raman scattering (SERS) applications.
URI
http://pubs.kist.re.kr/handle/201004/67494
ISSN
1226-086X
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KIST Publication > Article
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