Molecular Imaging 2017

Radionuclides for diagnostic applications

γ-Energy [keV]

Radioactive decay (max. β+-Energy)

Nuclide

Half life

Production

β+ (0,97 MeV) β+ (1,2 MeV) β+ (1,74 MeV)

11 C

511

20,3 min

cyclotron

13 N

511

9,93 min

cyclotron

15 O

511

124 s

cyclotron

β+ (0,64 MeV) EC

18 F

511

109 min

cyclotron

generator Max. β+-energy determines mean free path length of β+ ! generator

81m Kr

190

13 s

IT

99m Tc

140

6,03 h

IT

123 I

159

13 h

EC

cyclotron

81 31(Cs-Kα)

nuclear reactor

133 Xe

5,3 d

β-