Skip to main content

Table 1 Characteristics of the radionuclides used in this study [9]

From: Active bone marrow S-values for the low-energy electron emitter terbium-161 compared to S-values for lutetium-177 and yttrium-90

Radionuclide

177Lu

161Tb

90Y

Half-life (d)

6.65

6.89

2.67

β¯ mean (keV/nt)

133

154

933

Internal conversion/auger (keV/nt)

14.7

48.2

0.2

Total (keV/nt)

148.0

202.5

933.1

# Internal conversion/auger electrons emitted (/nt)

1.27

12.38

1.39E−03

# Internal conversion/auger electrons emitted < 50 keV (/nt)

1.17

12.36

1.27E−03

Photons* (keV)

 

45.27 (6.6%)

–

112.95 (6.4%)

46.08 (11.8%)

208.36 (11.0%)

48.91 (17.0%)

 

74.57 (10.2%)

  1. *Photon energies suitable for imaging