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Table 1 Survival parameter D10 doses and their RBE values calculated from dose-survival fraction curves (Fig.1) of CHO-K1 and xrs-5 cells irradiated with KUR thermal neutron beam and gamma rays.

From: DNA double-strand break induction in Ku80-deficient CHO cells following Boron Neutron Capture Reaction

 

CHO-K1

 

xrs 5

 

BPA(25ppm)

Boric acid

(25ppm)

Boric acid

(25ppm)

BPA(25ppm)

D10 (Gy)

BNCR

3.1 ± 0.2

1.1 ± 0.1

2.9 ± 0.2

1.4 ± 0.1

D10 (Gy)

Co60 gamma ray

6.2 ± 0.3

2.0 ± 0.1

RBEa

2.0

1.8

2.1

1.4

  1. a RBE(relative biological effectiveness) was obtained by the ratio of mean value of D10 compared to that of gamma rays.
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Radiation Oncology

ISSN: 1748-717X

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