Talih Soha, Salman Rola, Karaoghlanian Nareg, El-Hellani Ahmad, Saliba Najat, Eissenberg Thomas, Shihadeh Alan
Mechanical Engineering Department, Faculty of Engineering and Architecture, American University of Beirut , Bliss Street, P.O. Box 11-0236, Beirut, Lebanon.
Chem Res Toxicol. 2017 Oct 16;30(10):1791-1793. doi: 10.1021/acs.chemrestox.7b00212. Epub 2017 Sep 29.
An emerging category of electronic cigarettes (ECIGs) is sub-Ohm devices (SODs) that operate at ten or more times the power of conventional ECIGs. Because carcinogenic volatile aldehyde (VA) emissions increase sharply with power, SODs may expose users to greater VAs. In this study, we compared VA emissions from several SODs and found that across device, VAs and power were uncorrelated unless power was normalized by coil surface area. VA emissions and liquid consumed were correlated highly. Analyzed in light of EU regulations limiting ECIG liquid nicotine concentration, these findings suggest potential regulatory levers and pitfalls for protecting public health.
电子烟（ECIG）的一个新兴类别是亚欧姆设备（SOD），其运行功率是传统电子烟的十倍或更高。由于致癌挥发性醛（VA）排放量会随着功率急剧增加，亚欧姆设备可能会使使用者接触到更多的挥发性醛。在本研究中，我们比较了几种亚欧姆设备的挥发性醛排放量，发现除非通过线圈表面积对功率进行归一化，否则在不同设备中，挥发性醛与功率不相关。挥发性醛排放量与消耗的液体高度相关。根据欧盟限制电子烟液中尼古丁浓度的规定进行分析，这些发现表明了在保护公众健康方面潜在的监管手段和陷阱。
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