Table 4.
Calculated average, minimum and maximum DEF values in tumor with homogeneous and inhomogeneous distributions of GNPs, and the percentage difference between average DEF calculated for both models. The tumor is located at depth of 4.5 cm in the water phantom.
| Concentration (mgAu/g) | Energy (keV) | Homogeneous | Inhomogeneous | Diff. (%) | ||||
|---|---|---|---|---|---|---|---|---|
| Average DEF | Min. DEF | Max. DEF | Average DEF | Min. DEF | Max. DEF | |||
| 10 | 35 | 2.17 | 1.76 | 2.70 | 2.38 | 0.85 | 4.17 | 9.68 |
| 55 | 2.34 | 2.21 | 2.48 | 2.42 | 0.96 | 3.74 | 3.42 | |
| 75 | 1.88 | 1.84 | 1.91 | 1.91 | 0.98 | 2.68 | 1.60 | |
| 95 | 1.96 | 1.82 | 2.05 | 1.93 | 0.96 | 2.84 | -1.53 | |
| 30 | 35 | 2.97 | 1.52 | 5.63 | 3.85 | 0.62 | 9.49 | 29.63 |
| 55 | 4.22 | 3.57 | 5.15 | 4.75 | 0.88 | 8.83 | 12.56 | |
| 75 | 3.35 | 3.16 | 3.61 | 3.58 | 0.95 | 5.90 | 6.87 | |
| 95 | 3.58 | 2.87 | 4.21 | 3.55 | 0.88 | 6.57 | -0.84 | |
| 70 | 35 | 2.95 | 1.00 | 10.50 | 4.71 | 0.38 | 17.20 | 59.66 |
| 55 | 6.07 | 3.97 | 9.83 | 7.72 | 0.72 | 17.50 | 27.18 | |
| 75 | 5.42 | 4.65 | 6.67 | 6.24 | 0.87 | 11.80 | 15.13 | |
| 95 | 5.75 | 3.43 | 8.60 | 5.87 | 0.73 | 13.90 | 2.09 | |