Fabrication of gold nanorods-doped, bovine serum albumin microstructures via multiphoton excited photochemistry

Chi Hsiang Lien*, Wen Shuo Kuo, Keng Chi Cho, Chun Yu Lin, Yuan Deng Su, Lynn L H Huang, Paul J. Campagnola, Chen Yuan Dong, Shean Jen Chen

*Corresponding author for this work

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

In this study, three-dimensional (3D) crosslinked bovine serum albumin (BSA) microstructures containing gold nanorods (AuNRs) were fabricated via multiphoton excited photochemistry using Rose Bengal (RB) as the photoactivator. To retain AuNRs in the 3D crosslinked BSA microstructures, the laser wavelength was chosen for two-photon RB absorption for improved two-photon crosslinking efficiency, but not for enhancing the longitudinal plasmon resonance of AuNRs which may result in photothermal damage of AuNRs. Furthermore, with two-photon excitation of RB via AuNRs plasmonics, the laser power can be reduced by about 30%. As a result, 3D BSA microstructures containing AuNRs can be successfully fabricated. The AuNRs-doped BSA microstructures can be applied in biomedical scaffolds with plasmonic properties such as two-photon luminescence imaging and photothermal therapy.

原文English
頁(從 - 到)6260-6268
頁數9
期刊Optics Express
19
發行號7
DOIs
出版狀態Published - 28 三月 2011

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