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. Author manuscript; available in PMC: 2019 Apr 18.
Published in final edited form as: Chem Res Toxicol. 2017 Dec 8;31(1):4–12. doi: 10.1021/acs.chemrestox.7b00116

Figure 4.

Figure 4.

Effects of constant temperature and constant wattage on radical production for a typical e-liquid solvent (75:25). (a) Effects of different constant temperatures on radical generation in a 75:25 (PG:GLY) solution. (b) Effects of different constant wattages on radical generation in a 75:25 PG/GLY solution. Different letters indicate significantly different values. (c) Sample PBN spectra of the different constant temperatures. (d) Sample PBN spectra of the different constant wattages.

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