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Physical properties of permeants
| Molecular Weight (no counter ion) | DAqueous (25°C), 10−6 cm2/s | Stokes-Einstein Radius, Å | λex/λem, nM | Net Charge | |
|---|---|---|---|---|---|
| NBD-M-TMA | 280 | 5.8* | 4.3 | 458/580 | 1+ |
| Alexa 350 | 326 | 5.6* | 4.4 | 345/445 | 1− |
NBD-M-TMA, N,N,N-trimethyl-2-[methyl-(7-nitro-2,1,3-benzoxadiol-4-yl)amino]ethanaminium.
Calculated by Wilke-Chang (45) correlation (see materials and methods). DAqueous, diffusion constant measured in aqueous solutions; ex/em, excitation/emission.
