• Question: can you use photo chemistry to fight pathogens? and how?

    Asked by Ghbarreiros to Jonny, Daniela ? on 22 Jun 2016.
    • Photo: Jonathan Hunter

      Jonathan Hunter answered on 22 Jun 2016:

      Yes! Photochemistry can be used to kill pathogens! UV light is already used to sterilise equipment. It does this by damaging the DNA of the bacteria and damaging other parts of the bacterial cells.
      The problem with using photochemistry to treat pathogens when inside people is that UV light damages humans cells as well as bacteria (think really bad Sunburn).

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