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(A) Raman spectra for the control cells and cells treated with plasma for 15 min. The thick lines show the average Raman spectra and the shaded areas represent standard deviations. (B) Relative intensities of the Raman bands of the control cells and the cells treated with plasma for 15 min. The data are presented as the mean ± SEM. Differences with p-values < 0.05 were considered statistically significant.
