Table 3.

Theranostic radioisotopes pair [31].

Imaging/Therapeutic Pair	T1/2	Mode of Decay
Sc-44/Sc-47	3.9 h / 3.35 d	β+; EC; γ/β−; γ
Cu-64/Cu-67	12.7 h / 2.58 d	EC; β−; β+/β−; γ
Sr-83/Sr-89	32.4 h / 50.5 d	EC; β+; γ/β−
Ga-68/Ga-67	68 min / 3.26 d	β+/Aug; EC
Y-86/Y-90	14.7 h / 2.7 d	EC; β+; γ/β−
I-124/I-131	4.2 d / 8.0 d	EC; β+; γ/β−; γ
Tb-152/Tb-161	17.5 h / 6.9 d	EC; β+; γ/β−; γ
Tb-152/Tb-149	17.5 h / 4.1 h	EC; β+; γ/EC; α; β+

β⁺ = positrons; β⁻ = beta electrons; C.E. = conversion electrons; Aug. = Auger electrons.