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Correspondence
Nature 442, 244 (20 July 2006) | doi:10.1038/442244b; Published online 19 July 2006
Cells have long experience of dealing with UVC light
James E. Cleaver1
- Department of Dermatology and Pharmaceutical Chemistry, Auerback Melanoma Laboratory, UCSF Cancer Center, University of California San Francisco, San Francisco, California 94143-0808, USA
In his News and Views article "Device physics: A bug-beating diode" (Nature 441, 299; 2006) describing the development of UVC-emitting diodes that promise to have major practical applications, Asif Khan states: "Earth's ozone layer completely blocks solar light of very low ultraviolet wavelengths. Biological organisms on Earth have therefore never developed a tolerance for this 'UVC' radiation, and artificially generated UVC light has become a useful tool in the treatment and destruction of bacteria, yeast, viruses and fungi.
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