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. 2003 Sep;85(3):1839–1850. doi: 10.1016/S0006-3495(03)74612-8

TABLE 4.

Influence of molecular oxygen on the fluorescence quantum yield of I-27 at 20°C

Solvent Water Glycerol EPA Dioxane
Dielectric constant 80 40 24 2
φ (oxygenated solution) 0.0020 0.100 0.159 0.295
φ (without O2) 0.0027 nd* 0.159 0.285
*

Not determined in 100% glycerol because of argon bubbles.