Photoacoustic imaging of hepatocellular carcinoma targeting gold nanoshells (Conference Presentation)

Quan Zhou; Yan Chen; Zhao Li; Juan Zhou; Xiyu Duan; Thomas D. Wang

doi:10.1117/12.2255917

24 April 2017 Photoacoustic imaging of hepatocellular carcinoma targeting gold nanoshells (Conference Presentation)

Quan Zhou, Yan Chen, Zhao Li, Juan Zhou, Xiyu Duan, Thomas D. Wang

Proceedings Volume 10079, Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications IX; 1007907 (2017) https://doi.org/10.1117/12.2255917
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

Plasmonic gold nanoshell (GNS) probe penetrates into tumors for deep imaging, enables superior photoacoustic contrast. Glypican-3 (GPC3) specific peptide (Kd = 71 nM) conjugated gold nanoshell (λabs=770nm) was used to detect HCC xenograft tumors in mice with photoacoustic imaging. This targeting probe demonstrated tumor uptake after 1 hr and cleared in 12 hrs. Images at a mean (±SD) depth of 9.7±1.4 mm from 0 to 2.1 cm beneath the skin revealed increased PA signal from tumors. Highest tumor uptake and tumor to normal tissue ratio occurred at 2 hrs post injection (T/B = 4.45±0.22, n = 8). Molecular targeting GNS showed potential as a simple, effective and rapid technique for noninvasive in vivo monitoring HCC tumor growth and GPC3 expression.

Conference Presentation

Citation Download Citation

Quan Zhou, Yan Chen, Zhao Li, Juan Zhou, Xiyu Duan, and Thomas D. Wang "Photoacoustic imaging of hepatocellular carcinoma targeting gold nanoshells (Conference Presentation)", Proc. SPIE 10079, Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications IX, 1007907 (24 April 2017); https://doi.org/10.1117/12.2255917

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KEYWORDS

Tumors

Gold

Photoacoustic imaging

In vivo imaging

Photoacoustic spectroscopy

Plasmonics

Skin

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