a Summary of In Vitro and In Vivo Studies Evaluating the Impact of E-Cigarette Exposure on Living Organisms and the Environment

The document in question is a scientific research article titled "aerosol Size Distributions, Mass and Number Concentrations of Exhaled Electronic Cigarette Mist and Cigarette Smoke" published in the journal Toxics in 2019. The article is distributed under the Creative Commons attribution (CC BY) license.

The research aims to compare the aerosol size distributions, mass and number concentrations of exhaled electronic cigarette (e-cigarette) mist and conventional cigarette smoke. The study was conducted by Lampos et al. and is a follow-up to previous research on the environmental impacts of e-cigarettes.

The authors used two types of e-cigarettes and one brand of conventional cigarettes in the study. They measured the aerosol size distributions, mass and number concentrations of the exhaled e-cigarette mist and cigarette smoke in real-time.

The results showed that the exhaled e-cigarette mist had smaller aerosol particles compared to conventional cigarette smoke. The mass and number concentrations of the exhaled e-cigarette mist were also lower compared to conventional cigarette smoke. The study also found that the temporal and spatial dispersion of exhaled e-cigarette mist and cigarette smoke were different, with e-cigarette mist dispersing more slowly and over a smaller area compared to cigarette smoke.

The authors suggest that the results of the study could have implications for the environmental impact of e-cigarettes, as well as for indoor air quality and secondhand exposure.

The document also cites other relevant research on the topic, including a study on electronic cigarettes in the indoor environment, research gaps related to the environmental impacts of electronic cigarettes, and a study on the characterization of the spatial and temporal dispersion differences between exhaled e-cigarette mist and cigarette smoke.

In summary, the document is a research article that compares the aerosol size distributions, mass and number concentrations of exhaled electronic cigarette mist and conventional cigarette smoke. The study found that e-cigarette mist has smaller aerosol particles and lower mass and number concentrations compared to cigarette smoke. The authors suggest that the results could have implications for environmental impact and indoor air quality.

Merecz-Sadowska, anna, Przemyslaw Sitarek, hanna Zielinska-Blizniewska, Katarzyna Malinowska, Karolina Zajdel, Lukasz Zakonnik, and Radoslaw Zajdel. “a Summary of In Vitro and In Vivo Studies Evaluating the Impact of E-Cigarette Exposure on Living Organisms and the Environment.” International Journal of Molecular Sciences 21, no. 2 (January 19, 2020): 652. https://doi.org/10.3390/ijms21020652.