Table 3. Spectral Properties of Red-Shifted Rhodamine Variantsa.
All values in 10 mM HEPES, pH 7.3 except for KL–Z, which was measured in 1:1 v/v dioxane:H2O.
ε > 150 000 M–1cm–1 in EtOH or TFE with 1% v/v TFA.
All values in 10 mM HEPES, pH 7.3 except for KL–Z, which was measured in 1:1 v/v dioxane:H2O.
ε > 150 000 M–1cm–1 in EtOH or TFE with 1% v/v TFA.