Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/87443
Title: Compact Plasmonic Blackbody for Cancer Theranosis in the Near-Infrared II Window
Authors: Zhou, Jiajing
Jiang, Yuyan
Hou, Shuai
Upputuri, Paul Kumar
Wu, Di
Li, Jingchao
Wang, Peng
Zhen, Xu
Pramanik, Manojit
Pu, Kanyi
Duan, Hongwei
Keywords: Plasmonic Blackbody
Hyperbranched Nanostructure
Issue Date: 2018
Source: Zhou, J., Jiang, Y., Hou, S., Upputuri, P. K., Wu, D., Li, J., et al. (2018). Compact Plasmonic Blackbody for Cancer Theranosis in the Near-Infrared II Window. ACS Nano, 12(3), 2643-2651.
Series/Report no.: ACS Nano
Abstract: We have developed a class of blackbody materials, i.e., hyperbranched Au plasmonic blackbodies (AuPBs), of compact sizes (<50 nm). The AuPBs were prepared in a seedless and surfactant-free approach based on the use of mussel-inspired dopamine. Strong intraparticle plasmonic coupling among branches in close proximity leads to intense and uniform broadband absorption across 400–1350 nm. The blackbody absorption imparts the compact AuPB with a superior photothermal efficiency of >80% and closely matched photothermal activity in the first near-infrared (NIR-I) and the second near-infrared (NIR-II) spectral windows, making it a rare broadband theranostic probe for integrated photoacoustic imaging and photothermal therapy (PTT). Our comparative study, using the same probe, has demonstrated that the improved PTT outcome of NIR-II over NIR-I primarily results from its higher maximum permission exposure (MPE) rather than the deeper tissue penetration favored by longer wavelengths. The compact plasmonic broadband nanoabsorbers with tailored surface properties hold potential for a wide spectrum of light-mediated applications.
URI: https://hdl.handle.net/10356/87443
http://hdl.handle.net/10220/44466
ISSN: 1936-0851
DOI: 10.1021/acsnano.7b08725
Rights: © 2018 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by ACS Nano, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1021/acsnano.7b08725].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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