Recent occurrence of the pandemic revived the interest for germicidal ultraviolet (UV) lamps for disin-fection. The use of the UV-C Light Emitting Diodes (LED) can deactivate microbes in air and water, but to achieve safe and successful disinfection of surfaces, careful and precisely defined usage is required that needs additional research. Commercially available UV-C LED lamp with the wavelength of 253,7 nm is used on two types of bacteria (one of them drug resistant) and one fungus.
The presented research results show that, in addition to the dependence of the efficacy on the time of exposure and surface distance from the lamp, the relative effectiveness of disinfection for the same conditions varies for the type of microbe. For E-coli it was between 72% and 90%, for Pseudomonas aeruginosa between 81% and 97%, while for the Candida albicans it went from 93% to 98%.
Volume 427 -
11th International Conference of the Balkan Physical Union (BPU11) -
S12-PSSAP Physics of Socioeconomic Systems and Applied Physics
The influence of UV-C LED on the colonies of three different species of microorganisms
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Published on:
October 02, 2023
Abstract
DOI: https://doi.org/10.22323/1.427.0222
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.