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Uranium fission neutrons (KUR Energy Converter), Mean energy Ê=1.985 MeV |
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□ Experimental system |
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Material: Human peripheral blood lymphocytes (Whole blood) (Male, 32 yrs) |
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KUR Research Reactor Institute, Kyoto University (Heavy water facility) |
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Dose rate: 3.38E+07 n/cm2/sec; Contaminated gamma rays=50.7 % of the total dose |
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Date: 1987.06.10. |
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Time |
Dose |
No. of |
Aberrations |
Distribution of cells with indicated number of aberrations |
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(sec) |
(Gy) |
cells |
Tet |
Tri |
Dic |
Rc |
Ra |
aM |
F |
del |
S |
del |
Aber |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
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0 |
0 |
1000 |
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1 |
1 |
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Dics |
1000 |
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D+R |
1000 |
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All |
999 |
1 |
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25 |
0.049 |
1000 |
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16 |
6 |
3 |
4 |
25 |
5 |
8 |
6 |
Dics |
985 |
14 |
1 |
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D+R |
976 |
23 |
1 |
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All |
967 |
27 |
5 |
1 |
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50 |
0.1 |
500 |
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24 |
5 |
3 |
3 |
33 |
5 |
4 |
3 |
Dics |
477 |
22 |
1 |
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D+R |
470 |
28 |
2 |
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All |
464 |
29 |
7 |
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150 |
0.288 |
300 |
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48 |
10 |
1 |
6 |
72 |
18 |
12 |
8 |
Dics |
261 |
31 |
7 |
1 |
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D+R |
252 |
39 |
7 |
2 |
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All |
235 |
46 |
15 |
2 |
1 |
1 |
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250 |
0.503 |
300 |
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1 |
78 |
19 |
2 |
13 |
106 |
19 |
25 |
14 |
Dics |
234 |
56 |
8 |
1 |
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1 |
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D+R |
222 |
63 |
9 |
5 |
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1 |
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All |
201 |
70 |
20 |
3 |
4 |
1 |
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1 |
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500 |
0.96 |
300 |
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5 |
173 |
25 |
8 |
32 |
225 |
38 |
59 |
44 |
Dics |
177 |
74 |
41 |
5 |
3 |
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D+R |
163 |
77 |
47 |
7 |
6 |
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All |
121 |
83 |
60 |
25 |
6 |
3 |
1 |
1 |
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750 |
1.43 |
300 |
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6 |
207 |
52 |
21 |
65 |
310 |
61 |
101 |
84 |
Dics |
152 |
101 |
30 |
13 |
2 |
1 |
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D+R |
120 |
113 |
36 |
21 |
8 |
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2 |
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All |
74 |
94 |
54 |
44 |
15 |
9 |
7 |
3 |
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1000 |
1.911 |
300 |
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14 |
356 |
64 |
23 |
84 |
483 |
65 |
132 |
110 |
Dics |
92 |
103 |
61 |
25 |
11 |
8 |
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D+R |
71 |
99 |
64 |
38 |
13 |
12 |
3 |
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All |
48 |
59 |
62 |
59 |
31 |
16 |
13 |
9 |
2 |
1 |
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. |
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Ref: |
Sasaki, M. S. (1988). Chromosomal approaches to the dose assessment in human exposures to ionizing radiation. Berzelius Symposium, XV, pp.131-140. |
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Sasaki, M. S., Saigusa, S., Kimura, I. et al. (1992). Biological effectiveness of fission neutrons: energy dependency and its implication for the risk assessment. |
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Proc. Int. Conference on Radiation Effects and Protection. Mach 18-20, 1992, Mito. pp.33-35. |
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Sasaki, M. S., Takatsuji, T. and Ejima, Y. (1998), Radiat. Res., 150:253-258. |
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. |