Table 2.
Characteristics of fluorescent probes used.
| Charge | Molecular weight, g/mol | Dimensions, A° | |
|---|---|---|---|
| Lucifer yellow | –2 | 443 | 12.2 × 11.2 × 6.1 |
| Rhodamine 123 | +2 | 380 | 11 × 11.4 × 6.9 |
| Neurobiotin | +1 | 287 | 17.1 × 0.2 × 0.3 |
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