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Results of bacterial gene point mutation assay. Cerium oxide - nanoparticulate. Summary of mean revertant colonies obtained |
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| Experiment 2 |
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| Substance |
Dose Level (μg/plate) |
TA100 |
TA1535 |
TA102 |
TA98 |
TA1537 |
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|
|
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| Mean ± S.D. |
Mean ± S.D. |
Mean ± S.D. |
Mean ± S.D. |
Mean ± S.D. |
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|
|
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| (-S9) |
(+S9) |
(-S9) |
(+S9) |
(-S9) |
(+S9) |
(-S9) |
(+S9) |
(-S9) |
(+S9) |
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|
|
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| DMSO |
100 μl |
97 ± 14 |
132 ± 8 |
28 ± 6 |
30 ± 11 |
394 ± 9 |
380 ± 25 |
21 ± 5 |
38 ± 7 |
12 ± 10 |
15 ± 6 |
| Cerium Oxide Nano |
50 |
99 ± 19 |
123 ± 17 |
32 ± 2 |
29 ± 5 |
359 ± 28 |
397 ± 39 |
21 ± 4 |
33 ± 10 |
12 ± 1 |
13 ± 6 |
| 150 |
98 ± 20 |
127 ± 10 |
35 ± 6 |
40 ± 6 |
361 ± 32 |
391 ± 32 |
22 ± 4 |
32 ± 2 |
14 ± 7 |
12 ± 4 |
|
| 500 |
84 ± 6 |
126 ± 11 |
35 ± 11 |
32 ± 4 |
382 ± 29 |
350 ± 7 |
21 ± 4 |
32 ± 5 |
14 ± 4 |
16 ± 4 |
|
| 1500 (F) |
92 ± 8 |
133 ± 7 |
36 ± 8 |
36 ± 7 |
361 ± 43 |
313 ± 29 |
19 ± 5 |
37 ± 4 |
9 ± 3 |
12 ± 3 |
|
| 5000 (F+P+M) |
95 ± 3 |
121 ± 22 |
28 ± 5 |
29 ± 3 |
371 ± 24 |
353 ± 36 |
19 ± 3 |
26 ± 3 |
9 ± 1 |
17 ± 2 |
|
|
S.D. Standard deviation F Film P Precipitate M Manual Count | |||||||||||
Park et al. Particle and Fibre Toxicology 2007 4:12 doi:10.1186/1743-8977-4-12 |
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