Radiobiology 2016

The L inear Q uadratic

10 -9 10 -8 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 10 0

LQC − ln( S ) = α D + β D 2 − γ D 3

C ubic model

( )

γ = β 3 D L

Surviving fraction

LQ − ln( S ) = α D + β D 2

α/β = 3 Gy SF2 = 0.5

0

5

10

15

20

Dose (Gy)