Table 2.
Summary of wavelengths of maximum absorbance (λMAX) and averages, standard deviations, percent relative standard deviations, and number of replicate determinations (No.) of calculated molar absorptivities (ɛ) at λMAX for the heptamethine cyanine dyes and the standard (ICG).
| Dye | λMAX(nm) | Avg.ɛɛ (λMAX) (M−1cm−1) | Std. Dev. ɛ (λMAX) (M−1cm−1) | % RSD ɛ (λMAX) | No. |
|---|---|---|---|---|---|
| IR-786 | 774 | 2.6E+05 | 2.2E+04 | 8.45 | 2 |
| IR-780 | 779 | 2.74E+05 | 2.4E+03 | 0.88 | 2 |
| MHI-71 | 779 | 1.64E+05 | 6.6E+03 | 4.01 | 2 |
| ICG | 783 | 1.25E+05 | 1.2E+03 | 0.98 | 2 |