Hylocomium splendens, species of moss frequently used for biomonitoring purposes, was subjected to metal oxide nanoparticle suspensions (nano-TiO2, nano-ZnO) in known concentrations in order to assess its applicability in biomonitoring of metal oxide nanoparticle pollution. After weekly subjecting the samples of the moss to the suspensions for up to eight weeks, the samples were digested and the metal content was analyzed by ICP-AES. Both applied suspensions of nanoparticles led to accumulation of the respective metals in the moss thalli – with a clear linear relationship between the amount of metal and the time of the exposition. The significant linearity of the trends and high coefficients of determination assure great accuracy and predictability of the application of Hylocomium splendens in future nanoparticle-related biomonitoring surveys.Keywords: Metal oxides, nanoparticles, pollution, biomonitoring, bryophytes
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