Table 2 Results of experiments of irradiation with 10 3He2+ particles of 10 individual cell nuclei each distributed on the periphery of a 7-day-old porcine ureter explant outgrowth
Control | Irradiated | ||||||
---|---|---|---|---|---|---|---|
Sample | Mean number of damaged cells | Mean calculated number of cells within explant outgrowth ( mC) | Mean fraction of damaged cells ± s.d. ( fC) | Mean number of damaged cells | Mean calculated number of cells within explant outgrowth ( mI) | Mean fraction of damaged cells ± s.d ( fI) | Mean calculated number of the additionally damaged cells a |
1 | 2663 | 6.2 × 105 | 0.0043±0.0013 | 4215 | 5.9 × 105 | 0.0071±0.001 | 1698 |
2 | 2093 | 4.5 × 105 | 0.0046b | 2617 | 4.3 × 105 | 0.0061±0.0012 | 663 |
3 | 2039 | 8.5 × 105 | 0.0024±0.0008 | 4874 | 8.0 × 105 | 0.0061±0.0011 | 3050 |
4 | 918 | 6.6 × 105 | 0.0014±0.0011 | 3568 | 6.6 × 105 | 0.0054±0.0009 | 2633 |
5 | 1257 | 7.9 × 105 | 0.0016±0.0009 | 5236 | 7.9 × 105 | 0.0066±0.0014 | 3948 |
aMean number of additionally damaged cells is equal to (fI−fC) × (mC+mI)/2. | |||||||
bSingle explant. |