40 MeV Protons
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Cyclotron: University of California at Berkeley
Materials: Human peripheral blood
Date: 1965
Dose No. of Aberrations Distribution of cells with indicated number of aberrations
(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
3 200 0 2 88 10 10 34 135 41 Dics 123 64 11 2
D+R 114 66 14 6
All 81 73 29 12 5
6 133 0 7 230 29 35 108 379 117 Dics 16 46 35 23 8 3 2
D+R 13 31 35 28 13 8 4 1
All 4 11 23 25 19 20 11 7 9 3 1
*) Acentric minutes are included in fragments (F). ¤ For irradiation, leukocyte-rich plasma was sandwiched in thin layer by plastic plates.
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Ref: Norman, A: (1967) Use of chromosome aberrations for biodosimetry. Proc. 1st Int. Symp. on Biological Interpretation of Dose from Accelerator-produced radiation.
US Atomic Energy Agency. Calif. 1967. pp.382
Sasaki, M. S. (1974). Chromosome aberrations by ionizing radiation. TOKYOIGAKU, 82:208-222 (in Japanese).