Skip to main content

View full-text article in PMC

. 2020 Nov 24;10:19980. doi: 10.1038/s41598-020-76610-4

Table 1.

Study arms and product characteristics.

Products	Short code	Article	Category	Brand	Nicotine conc. (mg/mL)	Protonation levels	Flavour	Puff protocol
A	N/A	Control	Cigarette	B&H Skyblue^a	N/A	N/A	N/A	Ad libitum
B	N/A	Control	Cigarette	B&H Skyblue^a	N/A	N/A	N/A	Fixed
C	ePen2.0BT18	Comparator	e-cigarette	Vype ePen	18	Unprotonated	Blended Tobacco	Ad libitum
D	ePen3.0BT18	Test #1	e-cigarette	Vype ePen3	18	Unprotonated	Blended Tobacco	Ad libitum
E	ePen3.0MB18VP	Test #2	e-cigarette	Vype ePen3	18	Medium protonation	MasterBlend Tobacco	Ad libitum
F	ePen3.0MB30VP	Test #3	e-cigarette	Vype ePen3	30	High protonation	MasterBlend Tobacco	Ad libitum
G	ePen3.0MB18VP	Test #4	e-cigarette	Vype ePen3	18	Medium protonation	MasterBlend Tobacco	Fixed
H	ePen3.0MB12VP	Test #1	e-cigarette	Vype ePen3	12	Low protonation	MasterBlend Tobacco	Ad libitum

N/A not applicable.

^aBenson & Hedges Skyblue—7 mg ISO tar cigarette.