Table 1.
PHANTOM 1 | PHANTOM 2 | |||
---|---|---|---|---|
COMPONENT MATERIAL | Background | Spheres | Background | Spheres |
deionized water | 66.5 | 59.7 | 65.4 | 59.7 |
propylene glycol | 4.2 | 3.8 | 4.2 | 3.8 |
agarose (powder) | 2.1 | 1.9 | 2.1 | 1.9 |
3:1 ultrafiltered milk | 25.1 | 33.6 | 24.7 | 33.6 |
Germall Plus (preserv) | 1.1 | 1.0 | 1.1 | 1.0 |
glass bead scatterers | 1.0 | 0 | 2.6 | 0 |