Listeria monocytogenes
Collins 1971 · 254 nm
Test conditions & context
Type Bacterium (vegetative)
Medium Water
Test wavelength 254 nm
Particle size 1000 nm
Author Collins
Year 1971
Aus der IUVA-Malayeri-2016-Fluence-Kompilation. Primärstudie: Collins 1971, LP-Hg 254 nm — klassischer Suspensions-Wert; ergänzt die Oberflächen-Werte (Sommers 2009, Knobling 2023, Pérez-Rodríguez 2023). Auf strukturierten Oberflächen ist die nötige Dosis durch Schattenwurf höher.
UV-C dose–response (D-values)
A D-value is the UV-C dose (in mJ/cm²) needed for a given log-reduction. D90 = 90 % inactivation = 1-log; D99 = 99 % = 2-log; D99.9 = 99.9 % = 3-log, and so on. Values come from the cited study under its specific test conditions.
Reduction log Dose (mJ/cm²)
D90 90 % 1-log 2.2 mJ/cm²
D99 99 % 2-log 3 mJ/cm²
D99.9 99.9 % 3-log 3.2 mJ/cm²
D99.99 99.99 % 4-log 4.1 mJ/cm²
D99.999 99.999 % 5-log 4.6 mJ/cm²