This research was carried out to assess the possibility of using Pleurozium schreberi mosses as bioindicators of atmospheric aerosol pollution in living quarters (kitchen and bedroom), with metals originating from tobacco smoke from various types of cigarettes: conventional cigarettes, e-cigarettes and heated tobacco products. The moss-bag method of active biomonitoring was used. The mosses were exposed in these indoor spaces for three months and, after the exposition period, their analytes - Ni, Cu, Zn, Cd and Pb - were determined using flame atomic absorption spectrometry (F-AAS). Results were interpreted using the relative accumulation factors (RAF), coefficients of variation (CV) and the Wilcoxon test. As a result of the research, it was found that there were statistically significant differences in Zn and Cd concentrations in tobacco smoke from different types of cigarettes. The analyses showed that heated tobacco products contaminate indoor air with metals, similar to conventional cigarettes and e-cigarettes. It was demonstrated that the reliability of biomonitoring results was affected, for example, by the method of preparation of bioindicator samples, such as mosses.
Keywords: Active biomonitoring; Health; Metals; Pleurozium schreberi mosses; Smoke.
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