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Physical characteristics of radionuclides.
| Labeled Microspheres | Half-Life | Beta Emission (E. Max) |
Range of Beta Radiation | Other Emissions | |
|---|---|---|---|---|---|
| Yttrium-90 (90Y) | Resin or glass | 2.7 days | 2.28 MeV | Mean: 2.5 mm (Max: 11 mm) | Positron (32 × 10−6) |
| Holmium-166 (166Ho) | Poly (L-Lactic acid) | 1.1 day | 1.77 MeV (49%), 1.86 MeV (50%) | Mean: 2.5 mm (Max: 8.7 mm) | Gamma (6.7%) |
