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Expression of Nrf-2 in cytosolic and nuclear fraction of Beas-2B cells exposed to 1 mg/L SiO2 nanoparticles. Densitometric values of expression of Nrf-2 were normalized using that of Actin and were presented as relative units compared to control.
Nrf: nuclear factor-E2-related factor-2, SiO2: silicon dioxide.
