Purely Products PUVLB504 4-Watt UV-C Germicidal Ultraviolet Replacement Bulb. UV-C light is germicidal i.e., it deactivates the DNA of bacteria, viruses and other pathogens and thus destroys their ability to multiply and cause disease.
Specifically, UV-C light causes damage to the nucleic acid of micro-organisms by forming covalent bonds between certain adjacent bases in the DNA. The formation of such bonds prevent the DNA from being unzipped for replication, and the organism is unable to reproduce. In fact, when the organism tries to replicate, it dies.
Specifically, UV-C light causes damage to the nucleic acid of micro-organisms by forming covalent bonds between certain adjacent bases in the DNA. The formation of such bonds prevent the DNA from being unzipped for replication, and the organism is unable to reproduce. In fact, when the organism tries to replicate, it dies.
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