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. Author manuscript; available in PMC: 2019 Aug 27.
Published in final edited form as: Aerosol Sci Technol. 2018 Aug 23;52(11):1219–1232. doi: 10.1080/02786826.2018.1500013

Figure 2.

Figure 2.

Aldehyde levels generated from Set I e-cigarettes or from PG and VG. To genereate aerosols, Set 1 e-cigarettes (blu battery, 3.7V, 4.56 W) or a refillable, clear tank (≈0.5 mL) atomizer with a coil resistance of 1.8-Ohm (Mistic Bridge) for carrier solutions (PG, VG; bluPLUS+ battery, 7.6 W; where, puff volume = 91 mL, puff duration = 4 s, frequency = 2 puff/min). Values are means±SD (n=3). Abbreviations: CT, Classic Tobacco; MM, Magnificent Menthol; VV, Vivid Vanilla; CC, Cherry Crush; PG, 100% propylene glycol; VG, 100 % vegetable glycerin. *P<0.05: Formaldehyde: MM=CC>PG; Acetaldehyde: MM=PG=VG>CT; Acetone: CT=MM=VV=CC>PG=VG; Acrolein: CC=MM=VV>CT=PG; CC>VG.