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. Author manuscript; available in PMC: 2015 Dec 10.
Published in final edited form as: Nano Lett. 2015 Jul 27;15(8):5025–5032. doi: 10.1021/acs.nanolett.5b01047

Figure 2.

Figure 2

In vitro calibration of the nanosensor. (a) Normalized absorption and emission spectra of the QD-donor and Cy3-acceptor. (b) Spectra of QD before and after 2 h incubation with the 1 μM Cy3-labeled peptide (QD/peptide = 1:31). The nanosensor was excited at 410 ± 5 nm.