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. Author manuscript; available in PMC: 2022 Jan 21.
Published in final edited form as: Biomater Sci. 2020 Oct 15;9(2):367–390. doi: 10.1039/d0bm01063d

Figure 6.

Figure 6.

Comparison of gold nanorods (GNR) and large gold nanorods (LGNR) as OCT contrast agents. (a) Schematic illustration of the dimensions of GNR and LGNR. (b) TEM images of GNR and LGNR. Scale bar: 100 nm. Figures reprinted with permission from [102]. Copyright (2015) American Chemical Society. (c) LGNRs exhibit 8-fold greater total extinction than GNRs at equal nanoparticle concentration. (d) OCT intensity and spectral signals of GNR and LGNR. The OCT intensity and spectral signal of each LGNR particle are 30- and 110-fold greater than each GNR particle, respectively. Figures reprinted with permission from [101]. Copyright (2016) Springer Nature.