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Table 1 Regression parameters and protection factors obtained by analyzing the survival curves for 223Ra, 188Re, or 99mTc in the presence or absence of 0.2 M DMSO

From: The effect of dimethyl sulfoxide on the induction of DNA strand breaks in plasmid DNA and colony formation of PC Cl3 mammalian cells by alpha-, beta-, and Auger electron emitters 223Ra, 188Re, and 99mTc

Radionuclide Experimental condition Regression parameters (mean ± standard error) Protection factors
a b
223Ra Without DMSO 0.616 ± 0.012 (kBq/ml)−1   1.23 ± 0.04
With DMSO 0.501 ± 0.008 (kBq/ml)−1  
188Re Without DMSO 0.612 ± 0.038 (MBq/ml)−1 0.071 ± 0.100 (MBq/ml)−2 1.20 ± 0.19
With DMSO 0.512 ± 0.049 (MBq/ml)−1 0.050 ± 0.012 MBq/ml)−2
99mTc Without DMSO 0.172 ± 0.003 (MBq/ml)−1   1.34 ± 0.05
With DMSO 0.128 ± 0.002 (MBq/ml)−1