Your Radioactive House Ep. 8: Technetium

Episode 8: In this episode Kirk measures the radioactivity of a human! In this case his friend Sue was injected with the radioactive element technetium four hours before the video was shot. This particular version of technetium is a powerful gamma emitter and is used as a tracer in medical imaging. Since gamma rays are essentially the same as x-rays they can be used to create images. In this case, instead of imaging shooting x-rays through a person the image is formed by the gamma rays coming from within the body. After 10 half lives the technetium is essentially gone from the body.
This is episode 8 of a multi-part series on common radioactive items found around your home.
Kirk Mona is a professional interpretive naturalist living in the Twin Cities in Minnesota. His video channel Secret Nature explores the sometimes hidden science and connections that make nature fascinating.
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Пікірлер: 15

  • @antreaskonstantinou8585
    @antreaskonstantinou85853 жыл бұрын

    I remember my grandmother coming from the hospital and saying that shes radiaoctive and its better to keep a little distance, turns out she wasnt joking.

  • @KarbineKyle
    @KarbineKyle5 жыл бұрын

    Tc-99m. It is a metastable isomer of Tc-99 that has a half-life of 6 hours. It decays by isomeric transition by emitting gamma rays. As it emits characteristic gamma ray energies, Tc-99m decays back to its ground state to a nearly pure weak beta emitter, Tc-99, which has a very long half-life of 211,000 years, making it far less radioactive than the parent isomer.

  • @reica_aesthetic_98

    @reica_aesthetic_98

    4 жыл бұрын

    interesting, thanks for the info!

  • @b1aflatoxin
    @b1aflatoxin6 жыл бұрын

    Cool video! Sue made me smile. :)

  • @SecretNatureChannel

    @SecretNatureChannel

    6 жыл бұрын

    b1aflatoxin Thanks. Sue was a good sport and interested in the science behind the gamma ray imaging she went through.

  • @core36
    @core362 жыл бұрын

    I have a computer, somebody threw it in the trash, that had a label on it that suggested that the computer was in some kind of a lab. Do I have to fear that the pc parts could be radioactive?

  • @SecretNatureChannel

    @SecretNatureChannel

    2 жыл бұрын

    There are many kinds of "labs". Just having been in a lab doesn't mean it was around radioactive materials. If it was in a disease lab you could be concerned about bacteria and if it was from a Food Science lab you might have to worry about contamination with ketchup. It the machine was somehow radioactive (which would be very very odd unless there was an accident) it would need to be disposed of as radioactive waste and not just thrown out with the trash.

  • @24hourgmtchannel64
    @24hourgmtchannel643 жыл бұрын

    Can anyone elaboration how these tests are not detrimental to body tissue and cells? Any possibility of causing cancer of the thyroid or other organs or leukemia years form now?

  • @bsadewitz

    @bsadewitz

    3 жыл бұрын

    They're too weak to cause harm in the quantities they're used in, as they are fairly rapidly eliminated and excreted by the body. People don't receive enough cumulative exposure to cause problems. People who work in fields where radioactivity is present typically wear badges which track exposure, and there is a lifetime limit.

  • @24hourgmtchannel64

    @24hourgmtchannel64

    3 жыл бұрын

    @@bsadewitz Thanks Blair.

  • @Mully410
    @Mully4106 жыл бұрын

    Wow!

  • @SecretNatureChannel

    @SecretNatureChannel

    6 жыл бұрын

    Craig Mullenbach Yup, it was really something.

  • @ericmed
    @ericmed3 жыл бұрын

    Is Sue’s radioactivity ionizing?

  • @SecretNatureChannel

    @SecretNatureChannel

    3 жыл бұрын

    Yes. It seems strange right? Someone had cancer so to see if it is gone you inject them with radioactive particles. But, that goes to show that even this level of radioactivity for a short level of time is not that big of a deal. They have to weigh the costs of the very very very tiny risk from the exposure against the much greater risk the person's cancer poses if it has not been eradicated.

  • @cjmarsh504
    @cjmarsh5045 жыл бұрын

    Wooow