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. Author manuscript; available in PMC: 2012 Feb 7.
Published in final edited form as: J Phys Chem Lett. 2011 Feb 7;2(5):397–401. doi: 10.1021/jz101580e

Table 2.

Emission decay parameters for Δ- and Λ-D4 (5 μM) measured by FLIM in CHO-K1 cells.

Δ enantiomer Λ enantiomer
τ1 (ns) τ2 (ns) α2, f2 χ2 τ̄ (ns) τ1 (ns) τ2 (ns) α2, f2 χ2 τ̄ (ns)
Plasma membrane 33 456 0.16, 0.72 7 101 50 474 0.18, 0.68 7 126
Nucleus (fixed) 80 703 0.34, 0.82 16 293 73 598 0.26, 0.74 17 208
Nucleus (live)a 69 526 0.22, 0.68 9 169 61 509 0.14, 0.58 18 125
a

After photoactivated uptake.