Chemical disinfectants are quite effective in killing the vast majority of microbes. However, most chemical disinfectants are not environmentally friendly. More critically, chemical disinfectants can be harmful to human health. This investigation constructed far-UVC excimer lamps to disinfect dining-table surfaces. The lamps were mounted at different heights and orientations, and the irradiance on table surfaces was measured. The irradiation doses to obtain different inactivation efficiencies for Escherichia coli (E. coli) were provided. See
https://www.nature.com/articles/s41598-023-27380-2
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