Radiation accidents require an easy to perform and rapid determination
of the radiation response of the victim(s) affected by the exposure,
Micronuclei in cytochalasin B blocked lymphocytes are able to serve th
is purpose, Micronuclei are particularly useful when it comes to scree
ning many exposed people after a more or less homogeneous whole body e
xposure with a high dose rate. There are problems, as is the case for
most biological indicators, with partial body (especially when it is d
ue to internal emitters), chronic and fractionated exposure.