Table 3.
Results of the RFA for different values of applied voltage on a 3-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 | 465.5 | 2.7 | 4.4 | 94.5 | 1.6 | 3.8 | 31.5 | 1.0 | 3.7 |
| NaCl | ||||||||||
| 1% | 82.5 | 438 | 2.6 | 4.4 | 92 | 1.8 | 3.9 | 32 | 1.2 | 3.8 |
| 2% | 78 | 421.5 | 2.7 | 4.5 | 90 | 1.8 | 4.0 | 31.5 | 1.2 | 3.8 |
| 5% | 67.7 | 392 | 2.7 | 4.6 | 86.5 | 1.8 | 4.2 | 30 | 1.2 | 3.8 |
| 10% | 57 | 382 | 3.1 | 4.8 | 87 | 1.8 | 4.2 | 30.5 | 1.3 | 3.9 |
| AuNPs | ||||||||||
| 1% | 71.7 | 402 | 2.7 | 4.5 | 88 | 1.8 | 4.1 | 30.5 | 1.3 | 3.7 |
| 2% | 62 | 385 | 3.0 | 4.8 | 86.5 | 1.8 | 4.2 | 30 | 1.3 | 3.8 |
| 5% | 47.6 | 399.5 | 3.0 | 4.8 | 97.8 | 1.9 | 4.3 | 34 | 1.3 | 4.0 |
| 10% | 38 | 468 | 4.5 | 5.5 | 126.5 | 2.5 | 4.8 | 43.5 | 1.7 | 4.2 |
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)