Increased JUUL Emissions from Initial Puffs after Removing and Reinserting Pod.

Increased JUUL Emissions from Initial Puffs after Removing and Reinserting Pod.
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DOI:
10.1021/acs.chemrestox.2c00017
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发表时间:
2022-03-21
影响因子:
4.1
通讯作者:
Pender, Jack
Pender, Jack
中科院分区:
医学3区
文献类型:
--
作者:
Soule, Eric K.;Sousan, Sinan;Streuber, Dillon;Fresquez, Sarah E.;Mooring, Ronald;Salman, Rola;Talih, Soha;Pender, Jack

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标准实验室电子烟(ECIG)抽吸协议不考虑用户行为,例如移除和重新插入烟弹,可能会低估排放量。本研究比较了4种10喷吹方法的JUUL发射。我们使用JUUL设备在室内产生ECIG气溶胶,并测量直径≤2.5 μm的颗粒物(PM2.5)的浓度。在实验1-4中,分别取出和重新插入JUUL pod 0次、2次、4次和9次。实验1的平均实时PM2.5浓度为65.06 μg/m3(SD=99.53),实验2为375.50 μg/m3(SD=346.45),实验3为501.94 μg/m3(SD=450.00),实验4为834.69 μg/m3(SD=578.34)。在这项研究中,移除并重新插入JUUL pod导致PM2.5浓度高于未移除并重新插入JUUL pod的抽吸方案。ECIG应根据ECIG用户的真实行为进行检查和评估。
Standard laboratory electronic cigarette (ECIG) puffing protocols that do not consider user behaviors, such as removing and resinserting a pod, may underestimate emissions. This study compared JUUL emissions from four 10-puff bout procedures. We generated ECIG aerosol in a chamber using a JUUL device and measured concentrations of particulate matter ≤2.5 μm in diameter (PM2.5). The JUUL pod was removed and reinserted 0 times, 2 times, 4 times, and 9 times in Experiments 1–4 respectively. Mean real-time PM2.5 concentration was 65.06 μg/m3 (SD=99.53) for Experiment 1, 375.50 μg/m3 (SD=346.45,) for Experiment 2, 501.94 μg/m3 (SD=450.00) for Experiment 3, and 834.69 μg/m3 (SD=578.34) for Experiment 4. In this study, removing and reinserting a JUUL pod resulted in greater PM2.5 concentrations compared to puffing protocols in which the JUUL pod was not removed and reinserted. ECIGs should be examined and evaluated based on ECIG users’ real-world behaviors.
DOI: 10.1080/02786826.2022.2047152
发表时间: 2022
期刊: Aerosol science and technology : the journal of the American Association for Aerosol Research
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