Abstract
Abstract— The incorporation of four different spin traps into cultured fetal mouse liver cells was investigated using electron spin resonance spectroscopy. The cells were incubated in saline solutions of the traps, washed, and then irradiated in a saline solution containing hydrogen peroxide. The presence of a reproducible ESR signal was taken as evidence of spin trap incorporation. The spin trap DMPO was found to be incorporated, while PBN and 4‐POBN were not. MNP was toxic to the cells.
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