Table 1.
Photophysical data for SHP‐Cyto and 1 in buffer.[a]
| Compound | λ (1) max (10‐4 ϵ)[b] | λ fl max [c] | Φ[d] | λ (2) max [e] | Φδ [f] |
|---|---|---|---|---|---|
| SHP‐Cyto | 333 (3.80) | 455 | 1.00 | 740 | 14 |
| 1 | 371 (2.10) | 528 | 0.70 | 750 | 104 |
[a] All data were measured in MOPS buffer (30 mM MOPS, 100 mM KCl, pH 7.4) unless otherwise noted. [b] λ max of the one‐photon absorption spectra in [nm]. The numbers in parentheses are molar extinction coefficients in [m −1 cm−1]. [c] λ max of the one‐photon emission spectra in [nm]. [d] Fluorescence quantum yield, ±15 %. [e] The peak two‐photon cross section in 10−50 cm4 s photon−1 (GM), ±15 %. [f] Two‐photon action cross‐section.