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. Author manuscript; available in PMC: 2014 Feb 5.
Published in final edited form as: Anal Chem. 2013 Jan 22;85(3):1290–1294. doi: 10.1021/ac303310j

Figure 3.

Figure 3

Characterization of NP clustering through spectral analysis. a) Cumulative distribution plots of the fitted peak resonance wavelength (λres) of 40 nm Au NPs in an ambient refractive index of nr = 1.40 and targeted at CD24 and CD44 on MCF7 and SKBR3 cells in HBSS. b) Cumulative distribution plots of λres for NPs targeted at MCF7/CD24 before (red) and after (blue) treatment with m-β-CD. For each individual condition approximately 200 individual measurements were evaluated in a) and 400 in b). Histograms of the fitted peak resonance wavelengths are included in Figure S7.