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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Laser Phys Lett. 2019 Jan 17;16(2):025603. doi: 10.1088/1612-202X/aaf89e

Figure 1:

Figure 1:

Contrast agent spectra for USPA imaging (a) Absorption spectra of gold nanorods (AuNRs) and blood measured using UV-VIS spectroscopy and reported in literature, respectively17. Spectra include Si-AuNRs with peak absorption wavelengths of 780 nm and 850 nm and endogenous contrast, oxygenated and deoxygenated blood. (b) Spectra key and TEM images of Si-AuNRs obtained from Nanohybrids, Inc.