Table 4.
Summary of the X-ray attenuation properties at 50 and 70 kVp.
| Chemical | Natom | Concentration (mM [Pt] or [I]) |
Number Density (1/L) |
X-ray Attenuation Power (HU) |
X-ray Attenuation Efficiency (η) | ||||
|---|---|---|---|---|---|---|---|---|---|
| 50 kVp | 70 kVp | (HU/mM) | [HU/(1/L)] × 10−19 | ||||||
| 50 kVp | 70 kVp | 50 kVp | 70 kVp | ||||||
| PAA-Pt-NP | 378 ± 5 | 21.5 ± 0.5 | 3.4 ± 0.1 × 1019 | 371 ± 30 | 423 ± 45 | 16.4 ± 0.1 | 18.4 ± 0.1 | 102.7 ± 0.5 | 115.1 ± 0.5 |
| PAAMA-Pt-NP | 378 ± 5 | 25.6 ± 0.5 | 4.1 ± 0.1 × 1019 | 413 ± 30 | 459 ± 32 | ||||
| PMVEMA-Pt-NP | 378 ± 5 | 14.5 ± 0.5 | 2.3 ± 0.1 × 1019 | 288 ± 45 | 325 ± 46 | ||||
| Ultravist | 3 | 100.0 ± 0.5 | 20.0 ± 0.1 × 1021 | 398 ± 39 | 487 ± 38 | 4.0 ± 0.1 | 5.0 ± 0.1 | 0.20 ± 0.01 | 0.25 ± 0.01 |
| 3 | 50.0 ± 0.5 | 10.0 ± 0.1 × 1021 | 207 ± 34 | 273 ± 37 | |||||
| 3 | 25.0 ± 0.5 | 5.0 ± 0.1 × 1021 | 75 ± 32 | 82 ± 46 | |||||
| 3 | 5.0 ± 0.5 | 1.0 ± 0.1 × 1021 | 24 ± 48 | 14 ± 33 | |||||
| Water | - | - | - | 0 ± 32 | 0 ± 42 | - | - | - | - |