. Author manuscript; available in PMC: 2021 Feb 17.

Published in final edited form as: Chem Res Toxicol. 2019 Dec 24;33(2):343–352. doi: 10.1021/acs.chemrestox.9b00243

Table 2.

Experimental Settings for E-Cigarette Particle Generation

experiments	factors	settings	other settings
device setting	device power (watt)	6.4, 14.7, 31.3	90 mL puff volume, 3.8 s puff duration, 12 mg/mL nicotine in VG
e-liquid bulk material	base material	PG, VG, PG&VG (v:v = 1:1)	6.4 W power output, 90 mL puff volume, 3.8 s puff duration
	nicotine (mg/mL)	0, 3, 12, 24, 36 in VG
e-liquid flavoring agents	flavor	8 flavors^a in VG	6.4 W power output, 90 mL puff volume, 3.8 s puff duration
	flavoring level (%)	1, 10^b in VG
vaping topography	puff volume (mL)	35, 90, 170	6.4 W power output and 12 mg/mL nicotine in VG
	puff duration (s)	2, 3.8

Strawberry (Ripe), dragonfruit, menthol, cinnamon, bubblegum, bavarian cream, sweet cream, and graham cracker.

0.1% and 1% for the cinnamon flavor.