Table 1. Fluorescence Data of Triapine and Its Derivatives.
| compda | excitation maximum (nm) | emission maximum (nm) | counts per secondb |
|---|---|---|---|
| Triapine | 368 | 454 | 1,360,000 |
| H2NNHMe | 364 | 448 | 1,109,300 |
| H2NNMe2 | 368 | 422 | 1,530,600 |
| MeHNNH2 | 396 | 482 | 2,360,200 |
| MeHNNHMe | 392 | 482 | 1,524,900 |
| MeHNNMe2 | 396 | 492 | 378,600 |
| Me2NNH2 | 352 | 506 | 409,200 |
| Me2NNHMe | 352 | 500 | 731,300 |
| Me2NNMe2 | 352 | 482 | 670,700 |
a
DMSO stock solutions of all compounds were diluted with PBS (pH 7.4) to a final concentration of 10 μM (1% DMSO).
b
Measured at the maxima of the excitation and emission wavelengths.