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Table 1 Physical characteristics of relevant Sc radioisotopes

From: Production of scandium radionuclides for theranostic applications: towards standardization of quality requirements

Radionuclide

Half-life

Decay mode

Energy of particles or photons (keV)

43Sc

3.89 h

β+

1198

825

γ

372

44gSc

3.97 ha

β+

1475

γ

1157

44mSc

58.6 h

γ

271

1002

1126

1157

46Sc

83.79 d

β

357

γ

889

1121

47Sc

3.35 d

β

600

439

γ

153

1120

48Sc

43.7 h

β

654

485

γ

183

1037

1312

  1. aIt is worth noting that most of the sources provide the half-life of 44Sc T1/2 = 3.97 h. This value has been recently re-determined by Garcia-Tarrano et al. (Garcia-Torano et al. 2016) to be T1/2 = 4.042 h, about 2% higher than the earlier recommended value