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. 2014 Aug 21;15(8):14697–14714. doi: 10.3390/ijms150814697

Figure 2.

Figure 2

Normalized emission spectrum of Flutax-2 bound to microtubules (λexc = 494 nm, λem = 520 nm) and excitation spectrum of tau labeled with rhodamine (λexc = 556 nm, λem = 580 nm). Shaded area determines the spectral overlap between the donor emission and the acceptor absorption, the molar extinction coefficient of tau-rhodamine is 41,955 M−1·cm−1 at 556 nm.