Correspondence: Angiotensin-converting enzyme 2 coated nanoparticles containing respiratory masks, chewing gums and nasal filters may be used for protection against COVID-19 infection

• World has encountered a novel pandemic called as COVID-19. • All people need protective items such as masks and gloves worldwide. • Preventing COVID-19 infection has become the most important issue. • ACE2 containing nanomaterials may be used in the respiratory masks, gloves and clothes. • Using nanotechnology to prevent this pandemic may be hope for fighting against COVID-19.