Table 2 Characteristics of 111In and 68Ga.
111In | 68Ga | |
|---|---|---|
Half-life | 2.80 days | 67.71 minutes |
Type of decay | Electron capture | β− |
Gamma energy (keV)20 | 171.3 (94%) 245.4 (91%) | 511 (178%) 1077 (3.2%) 1883 (0.14%) |
Positron energy (keV)20 | — | 1899 (max) (yield 0.88) 836 (mean) 822 (max) (yield 0.01) 353 (mean) |
Electron energy (keV)20 | Auger Electrons (yield 14.7): 0.0085–25.6 | (mean energy/decay: 6.75) IC Electrons (yield 0.16): 145–245 (mean energy/decay: 26.0) — |
Range Soft Tissue | Auger Electrons: 0.25 nm–13.6 μm23 IC Electrons: 205–622 μm23 | Positron: 8.9 mm (max) |
