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Critical times (Tcrit) and dose rates (Rcrit) for HDR–90Y RNT
| Cell lines | λ(h−1) | α(Gy−1) | R0(Gy/h) | Tav(h) | Tcrit(days) | Rcrit(Gy/h) |
|---|---|---|---|---|---|---|
| HCT116 | 0.0107 | 0.1981 | 0.792 | 20 [43] | 5.883 | 0.1749 |
| HT29 | 0.0107 | 0.0842 | 0.792 | 23 [44] | 3.095 | 0.3578 |
| SW48 | 0.0107 | 0.1511 | 0.792 | 24 [43] | 5.538 | 0.1911 |
λ, α, R0 and Tav are the decay constant for 90Y, the radiobiological parameter of the cell line, the initial dose rate of 90Y RNT and the average doubling time of the cell line, respectively
