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Journal of mcgrew (701)

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Tuesday March 10, 20
03:09 PM
Answers

Last year the TV show Innovation Nation highlighted an inventor who had produced a shirt that never stinks. The way it worked was that there were silver threads woven in with the cloth. Silver kills bacteria, they explained, and body odor us caused by bacteria.
        I didn’t know that about silver, and they never explained why or how silver kills bacteria.
        This made me wonder why all door and faucet handles, light switches, hand rails, and all sorts of other places that spread germs in hospitals aren’t silver plated?
        Of course, this wouldn’t help with Covid-19, the flu, or common cold, since they’re viral, not bacteriological. Or would it? Is silver as deadly to viruses as it is to bacteria?

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  • (Score: 2, Informative) by charon on Tuesday March 10 2020, @03:18PM (1 child)

    by charon (5660) on Tuesday March 10 2020, @03:18PM (#969081) Journal
    Copper and any alloy containing it (e.g. brass) is antimicrobial in the same way. Many, possibly most, door fittings are made of brass. See also: https://en.wikipedia.org/wiki/Antimicrobial_properties_of_copper [wikipedia.org]
    • (Score: 2) by RS3 on Wednesday March 11 2020, @06:25PM

      by RS3 (6367) on Wednesday March 11 2020, @06:25PM (#969738)

      Yes, but then they're clear-coated with lacquer, urethane, etc., to prevent tarnish. So you're not coming into contact with the metal.

      Any of those germ-killing metals tarnish quickly. Tarnish is generally metal oxide, and the germ-killing reduced. So you could do it with bare metals, but you'd have to polish them frequently, which may be worth it if it works well.

      It's worth looking into some more.

  • (Score: 5, Informative) by Azuma Hazuki on Tuesday March 10 2020, @03:28PM

    by Azuma Hazuki (5086) on Tuesday March 10 2020, @03:28PM (#969089) Journal

    What you're looking for is called the oligodynamic effect. It's why many hospitals had red brass (i.e., high-copper content) doorknobs and touch surfaces, and why some ancient near-east people used silver drinking vessels if they were wealthy enough.

    --
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  • (Score: 4, Funny) by barbara hudson on Tuesday March 10 2020, @03:37PM (1 child)

    by barbara hudson (6443) <barbara.Jane.hudson@icloud.com> on Tuesday March 10 2020, @03:37PM (#969098) Journal
    Silver tarnishes. Silver door knobs would be high maintenance. Do you really want to have the job of "official knob polisher?" Can't imagine there'd be much competition ...
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    SoylentNews is social media. Says so right in the slogan. Soylentnews is people, not tech.
    • (Score: 0, Troll) by Anonymous Coward on Tuesday March 10 2020, @09:23PM

      by Anonymous Coward on Tuesday March 10 2020, @09:23PM (#969298)

      I hear Barbara polished her knob so effectively it fell off.

  • (Score: 0) by Anonymous Coward on Tuesday March 10 2020, @05:50PM (1 child)

    by Anonymous Coward on Tuesday March 10 2020, @05:50PM (#969186)

    People steal copper from public places and sell it, so they switched to plastic and stainless steel.

    But I wonder if rubbing someone armpits with a silver eagle would reduce BO.

    • (Score: 1, Funny) by Anonymous Coward on Tuesday March 10 2020, @11:19PM

      by Anonymous Coward on Tuesday March 10 2020, @11:19PM (#969334)

      But I wonder if rubbing someone armpits with a silver eagle would reduce BO.

      Maybe, but it would at least give your pits an aerie feeling (to coin a phrase).

  • (Score: 0) by Anonymous Coward on Tuesday March 10 2020, @11:31PM (1 child)

    by Anonymous Coward on Tuesday March 10 2020, @11:31PM (#969339)

    It's standard for astronauts. Space station residents never wash clothing. They put it on, wear it until it is full of holes, and then store it in the trash to be deorbited.

    • (Score: 0) by Anonymous Coward on Thursday March 12 2020, @06:15PM

      by Anonymous Coward on Thursday March 12 2020, @06:15PM (#970328)

      They don't hang it outside to air it out?

  • (Score: 4, Informative) by Runaway1956 on Wednesday March 11 2020, @12:44AM

    by Runaway1956 (2926) Subscriber Badge on Wednesday March 11 2020, @12:44AM (#969372) Homepage Journal

    https://www.drugs.com/pro/silvadene.html [drugs.com]

    If you're ever a burn victim, this is the best stuff in the world. Not only is it antimicrobial, it feels better than sex to slather it over those burns.

    I've been a burn victim myself, and I've also tended two close relatives who were burned. If the stuff is applied properly, it seems the victim can't get infected, even if he tries to get infected. Silvadene, and a rigid regimen of debridement is all that is needed for some very nasty burns.

    Disclaimer: If you get a third degree burn, even a very small one, see the doctor or go to ER. Yeah, sivadene and debridement may very well be all that you need, but get that doctor's professional opinion before you try to treat yourself.

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