TABLE 1

Immunoreactivity of 5 Radiolabeled T101s with PBMNC

NuclideTotal binding (%)Nonspecific binding* (%)
125I73.19 ± 0.621.65 ± 0.07
111In81.13 ± 0.550.99 ± 0.23
205,6Bi79.49 ± 3.140.53 ± 0.18
211At71.73 ± 2.154.15 ± 0.36
203Pb82.19 ± 3.530.95 ± 0.15
  • *Nonspecific binding is after addition of 25 μg unlabeled T101 antibody.

  • Data are expressed as percentage of total radioactivity added to 5 × 106 PBMNC after incubation for 2 h at 4°C.