What is the principle of ultraviolet sterilization for toothbrush sterilizers
2025-08-15
The ultraviolet sterilization principle of toothbrush sterilizers is mainly based on the UVC band ultraviolet light (253.7nm) emitted by cold cathode ultraviolet lamps, which destroys the DNA structure of bacteria, viruses and other microorganisms to achieve sterilization.
Sterilization principle
UVC ultraviolet rays can penetrate microbial cell membranes, causing DNA strands to break and rendering microorganisms inactive. Its mechanism of action includes:
253.7nm ultraviolet radiation: directly destroys the DNA and RNA structures of pathogenic organisms such as bacteria and viruses, resulting in their inability to replicate and survive.
185nm ultraviolet light: decomposes oxygen in the air to generate ozone, further oxidizes organic pollutants, compensates for the lack of linear transmission of ultraviolet light, and achieves 360 degree blind spot sterilization.
Applicable scenarios
This technology can effectively kill more than 20 common pathogens such as Escherichia coli, Mycobacterium tuberculosis, and influenza virus, and is suitable for disinfecting items within a range of 15-60 square meters.
Precautions
When using, avoid direct exposure to ultraviolet light sources. It is recommended to follow the instructions and regularly replace the ultraviolet lamp tube.
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