Table 2.
E-cigarette device and e-liquid characteristics
| Author, year | e-cig devices | e-liquid | Nicotine content in mg/mL |
|---|---|---|---|
|
| |||
| Cossio, 2020 | Cirrus 3, white cloud cigarette | Menthol flavor clear draw | 50 |
| Biondi-Zoccai, 2019 | Blu Pro, Fontem, Netherlands | e-liquid details not described | 16 |
| Kerr, 2019 | 2nd generation e-cig. 1300 mAh variable voltage rechargeable battery, a tank and an atomizer (SmokeMax; Groove Trading Ltd., Glasgow, UK) | Tobacco flavored (Pillbox38 UK Ltd., Totally Wicked, Blackburn, UK) | 18 |
| Antoniewicz, 2019 | 3rd generation e-cigarette (eVic-VT, Shenzhen Joyetech Co., Ltd., China). Temperature 230 °C, effect 32 W, resistance 0.20 ω). dual-coil nickel atomizer | 49.4% propylene glycol, 44.4% vegetable glycerin, and 5% ethanol without any added flavorings (Valeo laboratories GmbH, Germany) | 19 |
| Chaumont, 2018 | Last-generation high-power vaping device with popular and commercially available parts in USA (Smoke©, Shenzen, China). 60 W. 0.4 Ω dual coils | 50% propylene glycol and 50% glycerin pharmaceutical grade (Fagron©, Waregem, Belgium) | 19 (Nicobrand©, Coleraine, UK) |
| Franzen, 2018 | DIPSE, eGo-T CE4 vaporizer third generation, (SSR Produkt GmbH & Co KG, Oldenburg, Germany). 3.3 V, 1.5 Ω, and 7.26 W | 55% propylene glycol and 35% glycerin, tobacco flavor | 24 |
| Fogt, 2016 | Green Smart Living, Salt Lake City, UT) | e-liquid (details not described?) | 18 |
| Vlachaupoulos, 2016 | NR. | NR. | NR |
| Cooke, 2015 | Green Smart Living (Salt Lake City, UT) and Clean Electronic cigarettes (details not described) | e-liquid (details not described) | 18 |
| Yan, 2015 | Blu e-cigs, sold in retail outlets across the USA in both disposable and re-useable forms. | 3 e-liquid formulations: A and C: 75% vegetable glycerin. B and E: 50% vegetable glycerin 20% propylene glycol. D: 75% vegetable glycerin | A, B, C: 24 D: 16 |
| Szoltysek-Boldys, 2014 | e-Go, Clearomizer Crystal 2 with coil, 2.4 Ω, voltage battery 900 mAh, 3.4 V | e-liquid details not described | 24 |
| Farsalinos, 2014 | 2nd generation eGo-T battery (Nobacco Athens, Greece) with an eGo-C atomiser (Alter Ego Athens, Greece). 650-mAh rechargeable lithium battery, 3.5 V | α -propylene glycol or 1,2-propanediol > 60%, linalool (3,7-dimethylocta-1, 6-dien-3-ol) < 5%, tobacco essence (< 5%), and methyl vanillin (4-hydroxy-3-methoxybenzaldehyde) at < 1% | 11 |
| Czogala, 2012 | Mild M2001 (1st generation) | e-liquid details not described | 14 |
| Polosa, 2014 | Use of personal devices. Assorted eGo products. Advanced and standard refillable. Provari, Innokin, Joyetech, eVIC, Avatar Puff | e-liquid details not described | 9–12 (n = 4) 16–18(n = 5) |
NR., not reported