id author title date pages extension mime words sentences flesch summary cache txt cord-308736-kpz0o1ag Heßling, Martin Ultraviolet irradiation doses for coronavirus inactivation – review and analysis of coronavirus photoinactivation studies 2020-05-14 .txt text/plain 2826 156 45 Methods: Coronavirus inactivation experiments with ultraviolet light performed in the past were evaluated to determine the UV radiation dose required for a 90% virus reduction. To answer the important question regarding SARS-CoV-2 and other coronaviruses as to which irradiation doses are needed for inactivation, the existing coronavirus photoinactivation results of the last 60 years have been reviewed and analyzed in this study. In most studies, the authors did not intend to investigate the log-reduction doses of coronaviruses, but rather virus inactivation in various applications. Most authors did not measure the UVC absorption properties of their biological materials because it was of no importance for their research task; thus, it is almost impossible to extract the role of the absorption in the calculation of the necessary irradiation doses for a 90% virus reduction. To date, UVC radiation has been effective against all coronaviruses in all published investigations, although the absorption properties of the sample media reduced inactivation success. ./cache/cord-308736-kpz0o1ag.txt ./txt/cord-308736-kpz0o1ag.txt