Table 1.
The spectral characteristics of dyes 38 and 48 in different solvents.[15]
Solvents | Characteristics | Dye 38 | Dye 48 |
---|---|---|---|
H2O | λex [nm] | 473 | 458 |
λem [nm] | 574 | 554 | |
Stokes shift [nm] | 101 | 96 | |
ε [× 10−4 Lmol−1 cm−1] | 1.91 | 3.52 | |
DMSO | λex [nm] | 503 | 481 |
λem [nm] | 596 | 565 | |
Stokes shift [nm] | 93.6 | 84 | |
ε [× 10−4 Lmol−1 cm−1] | 2.09 | 3.21 | |
MeOH | λex [nm] | 503 | 479 |
λem [nm] | 581 | 558 | |
Stokes shift [nm] | 78.6 | 79.4 | |
ε [× 10−4 Lmol−1 cm−1] | 2.28 | 4.13 | |
CHCl3 | λex [nm] | 513 | 503 |
λem [nm] | 570 | 568 | |
Stokes shift [nm] | 57 | 65 | |
ε [× 10−4 Lmol−1 cm−1] | 2.82 | 2.16 |