Table 2.
Experimentally determined hydrodynamic radii and observed permeability coefficients across RBEC monolayers for Lucifer yellow and FITC-dextrans
| Molecule | Molecular weight (kDa) | Hydrodynamic radius (nm) | Mean paracellular transport (× 10-6 cm/sec) | SEM (× 10-6 cm/sec) |
|---|---|---|---|---|
| Lucifer Yellow |
0.5 |
0.49 |
2.22 |
0.137 |
| 4 kDa FITC-Dextran |
4 |
1.40 |
1.00 |
0.201 |
| 10 kDa FITC-Dextran |
10 |
2.30 |
0.46 |
0.117 |
| 20 kDa FITC-Dextran |
20 |
3.30 |
0.38 |
0.142 |
| 40 kDa FITC-Dextran |
40 |
4.50 |
0.16 |
0.038 |
| 70 kDa FITC-Dextran | 70 | 6.00 | 0.14 | 0.049 |