Figure 6

(a) PBN-H spectrum obtained after 150 s of plasma treatment in DMEM. (b) Effect of plasma exposure on PBN-H signal in three solvents. Half height of the middle peak was chosen to represent PBN-H intensity.

(a) PBN-H spectrum obtained after 150 s of plasma treatment in DMEM. (b) Effect of plasma exposure on PBN-H signal in three solvents. Half height of the middle peak was chosen to represent PBN-H intensity.