E=0.025 eV thermal neutrons in the presence or absence of Boron-10 

                                                                                           (Experimental system)

Thermal neutrons (0.025 eV) (in the absence of 10B)
Materials: Human peripheral blood lymphocytes (whole blood); Male 49 yrs
Dose rate: 2.31×109 n/cm2/sec; Contminated gamma=53.8 % (External=41.8 %+capture=12.0 %)
Nuclear Research Reactor Institute, Kyoto University (Heavy water facility)
Date: 1985.09.25.
Time Dose No. of Aberrations Distribution of cells with indicated number of aberrations
(min) (Gy) cells Tet Tri Dic Rc Ra aM F del min del Aber 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 0 1000 0 0 2 0 0 2 2 1 2 1 Dics 998 2
D+R 988 2
All 994 6
1 0.092 1000 0 1 24 5 4 20 34 5 14 12 Dics 977 20 3
D+R 968 29 3
All 943 46 8 2 1
2.5 0.23 1000 0 1 63 13 9 23 87 11 17 15 Dics 939 57 4
D+R 927 60 12 1
All 895 82 18 4 1
5 0.46 500 0 3 82 29 12 25 122 16 40 33 Dics 428 58 12
D+R 409 57 30 4
All 380 68 35 10 2 3 2
7.5 0.688 500 0 5 151 26 18 33 189 18 54 40 Dics 381 88 23 5 3
D+R 357 98 33 7 5
All 332 85 58 11 10 3 1
10 0.919 500 0 10 197 36 22 54 258 32 79 59 Dics 343 114 33 4 5 1
D+R 318 120 43 10 6 3
All 275 118 59 31 4 7 4 1 1
15 1.379 500 0 14 291 80 31 63 401 34 76 56 Dics 292 131 51 19 6 1
D+R 253 136 65 26 16 3 1
All 217 128 75 39 28 7 4 1 1
30 2.758 200 0 15 208 48 17 36 304 38 84 66 Dics 64 75 35 15 5 5 1
D+R 53 61 48 19 9 7 3
All 38 44 51 23 24 6 3 5 4 2
.
Thermal neutrons (0.025 eV) (in the presence of 10B)
Materials: Human peripheral blood lymphocytes (whole blood); Male 50 yrs; 20 μg/ml 10B in a form of boric acid
Dose rate: 2.31×109 n/cm2/sec; Contminated gamma=53.8 % (External=41.8 %+capture=12.0 %)
Nuclear Research Reactor Institute, Kyoto University (Heavy water facility)
Date: 1986.06.10.
Time Dose No. of Aberrations Distribution of cells with indicated number of aberrations
(min) (Gy) cells Tet Tri Dic Rc Ra aM F del min del Aber 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 0 1000 0 0 0 0 0 1 2 2 0 0 Dics 1000
D+R 1000
All 997 3
1 0.225 1000 0 5 89 19 9 20 133 24 41 33 Dics 924 56 1 1
D+R 906 67 23 2 2
All 878 67 36 14 3 1 1
2.5 0.563 480 0 5 92 23 9 22 137 19 51 46 Dics 406 51 20 1 2
D+R 389 57 28 3 3
All 369 47 38 12 10 3 1
5 1.126 500 0 9 243 60 26 38 321 26 99 81 Dics 329 108 43 15 3 2
D+R 303 108 56 19 4 6 4
All 274 94 66 33 16 9 3 2 1 2
7.5 1.689 350 0 11 180 44 22 39 257 32 96 78 Dics 218 83 11 5
D+R 192 89 44 13 8 4
All 157 85 56 22 14 7 3 4 1 1
10 2.257 210 0 7 163 42 14 25 231 31 79 63 Dics 108 59 20 16 6 1
D+R 93 59 26 17 8 5 2
All 71 56 28 24 12 9 5 1 1 1 1 1
15 3.378 85 0 7 74 24 12 18 127 21 45 38 Dics 38 20 12 11 3 1
D+R 33 14 15 11 8 3 1
All 22 14 13 12 9 5 5 2 2 1
.