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Mice put in 'suspended animation'

  • 23-04-2005 1:04am
    #1
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,588 Mod ✭✭✭✭


    http://news.bbc.co.uk/2/hi/science/nature/4469793.stm
    The researchers from the University of Washington and the Fred Hutchinson Cancer Research Center in Seattle put the mice in a chamber filled with air laced with 80 parts per million (ppm) of hydrogen sulphide (H2S) - the malodorous gas that gives rotten eggs their stink.

    Hydrogen sulphide can be deadly in high concentrations. But it is also produced normally in humans and animals, and is believed to help regulate body temperature and metabolic activity.
    Hydrogen Sulphide , Carbon monoxide and Cyanide are all very poisionous and affect the ability to use oxygen (eg: irreversably binding to haemoglobin) but AFAIK mice can survive carbon monoxide poisioning because they have a high surface to volume ration and can adsorb enough oxygen through their skin to survive - be interesting to know if the mouse haemoglobin was affected as this could affect scale up to larger organisms.


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