The Use of Flow Cytometry to Measure X-ray Survival in Cultured T Lymphocytes
1985
SummaryLight-scattering signals produced in a flow cytometer containing unstained, irradiated T-lymphocytes (MOLT-4 cell line) were analysed by plotting the axial light loss versus right-angle scatter. The resulting three-dimensional scattergram separated into two regions, corresponding to live and dead cells, as confirmed by trypan blue staining. The method is simple, rapid, allows large numbers of cells to be measured, avoids staining artifacts and is suitable for measuring radiation-induced killing down to 0·05 to 0·1 Gy.
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