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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Ann Biomed Eng. 2013 Aug 27;41(11):10.1007/s10439-013-0901-8. doi: 10.1007/s10439-013-0901-8

Figure 5.

Figure 5

Composite contrast agent combining a GNR core with silica coating and MNPs9. (a) Schematic illustration and (b) TEM images of GNR-silica-MNP particles. (c) Ultraviolet-visible spectra of GNR-silica-MNP particles (red), silica-encapsulated GNR (green), and silica-MNP particles with 60 nm diameter (purple). Reprinted with permission from (Hu X., C. W. Wei, J. Xia, I. Pelivanov, M. O'Donnell, and X. Gao. Trapping and photoacoustic detection of CTCs at the single cell per milliliter level with magneto-optical coupled nanoparticles. Small. DOI: 10.1002/smll.201202085, 2012). Copyright (2012) John Wiley and Sons.