Question: "How dangerous are nanoscale particles (ultrafine particles) that are already present in the environment through soot emissions and natural aerosols like SiO2 or beech dust?

Dust and aerosols in the environment can also be hazardous. It is known that i.e. inhaled wood dust from beech and oak in joineries can lead to cancer. Fine dust and diesel exhaust gases are known to have an impact on the human respiration system.

Research on the effects of nanoparticles will lead to new findings regarding the evaluation of ultrafine particles occurring in the environment. Vice versa, present evaluation studies of fine dust and particles from combustion processes can lead to conclusions about the effects of some synthetic nanoparticles (i.e. in the respiratory tract).  


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