Table 2.
Results of the RFA for different values of applied voltage on a 2-cm spherical zone in case of non-doped tissue (ND) and two types of dopants: saline solution (0.9% NaCl) and AuNPs (0.01 wt%)
| Dopant | Zi (Ω) | 50 V | 70 V | 90 V | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| t100-Ω | B | A | t100-Ω | B | A | t100-Ω | B | A | ||
| ND | 87.7 | 457 | 2.7 | 4.4 | 94.5 | 1.6 | 3.8 | 31.5 | 1.0 | 3.7 |
| NaCl | ||||||||||
| 1% | 84.6 | 454 | 2.8 | 4.3 | 95 | 1.7 | 4.0 | 35 | 1.2 | 3.7 |
| 2% | 82 | 452 | 2.8 | 4.3 | 97.5 | 1.7 | 4.0 | 35.5 | 1.2 | 3.7 |
| 5% | 75.5 | 457 | 3.1 | 4.6 | 103 | 1.9 | 4.0 | 36 | 1.3 | 3.8 |
| 10% | 67.8 | 450 | 3.5 | 5.0 | 109.5 | 2.2 | 4.2 | 37.5 | 1.3 | 3.9 |
| AuNPs | ||||||||||
| 1% | 78 | 456 | 3.0 | 4.5 | 101 | 1.8 | 4.0 | 35.5 | 1.2 | 3.6 |
| 2% | 71.5 | 451 | 3.2 | 4.7 | 106.5 | 2.0 | 4.1 | 36.5 | 1.3 | 3.8 |
| 5% | 60 | 448 | 3.7 | 4.8 | 120.5 | 2.6 | 4.2 | 41 | 1.5 | 4.0 |
| 10% | 51.6 | 479 | 4.4 | 5.0 | 144 | 3.2 | 4.4 | 49.5 | 2.3 | 4.0 |
Zi: initial impedance; t100-Ω: time until roll-off (in s); B and A: transverse and axial diameters (in cm) of the coagulation zone, respectively. The different values of concentration (from 1 to 10% are volume fraction)