Why do I watch these? I never miss one, I'm a 58 year old server administrator and have never had anything to do with chemistry, but I can't stop! They're so interesting!
I am a 30 year old cook. I absolutely love the way he can get you hooked with his way of explaining it. I think it has alot to do with his real passion. Don't matter what you do, if you feel real passion in doing it, you will always listen to someone else with the same passion in a different field totally amazed.
The hardest part of the Server admin job is keeping current with all the changes. Changes in the OS, security ect. You must constantly study and update you skill set.
"Your mind is a bit like a soup: it has the be stirred up all the time; and then, interesting vegetables float to the surface - and you will have new ideas. If you just sit there, it all stagnates and gets boring." Martyn Poliakoff
I don't usually leave comments - but Ac-225 has a half-life of 10 days not 10 hours (and I haven't seen this correction yet). It is quite a critical difference when it comes to clinical application. Ac-225 is an isotope of interest because of the "longer" half-life. It provides time to localize a radiolabelled targeting vector (such as an antibody) which can take 24-72 hours depending on the vector. A 10 hour half-life alpha emitter would destroy much more healthy tissue prior to arriving at the target which are typically cancer cells. Thank you for making this video!
It's mentioned in the "Show more" section. I too wish they'd gone a little more in depth into the cancer treatment portion; I feel Actinium has more potential than they let on. Are you in the antibody business? I work at ORNL on the Ac-225 team!
I figured they'd add a correction eventually :) My day job is at [insert acronym here for nuclear research lab] TRIUMF, I'm not usually involved with Ac-225 but managed to electroplate some from aqueous a while back. I work more intimately with Tc-99m and Cu-64 right now. It appears that Ac-225 interest will only keep growing.
With such a short half life, how do you get it from factory to hospital? I assume it must be in continuous production to have enough around for anybody to be able to work with it.
I always enjoy all your videos. I think it would be a good idea make a video explaining the main subfields of chemistry (Inorganic, Organic, Nuclear, Analytical, etc). Thanks for these amazing videos
I work with Ac225, and I want to add that a lot of groups are looking at chemical constructs that can retain the isotope after decay. The actinium (and much of its daughters) experience a significant recoil due to the large momentum of the emitted alpha particle. Antibodies will loose the isotope after decay, which can be very toxic. Around 80% of the nuclear energy is emitted after the first radioactive decay of Ac225. Great video as always!!
Great to see a new Periodic Video... particularly one on Actinium, an element I have been particularly interested in for several years now. Many thanks.
I love, really love this element videos, it's inspiring to watch someone with this passion about knowledge. Also, i always wondered how radioactive elements look like and now i'm able not just watch them but understand them better
There was a question on my final Exam of the Higer School that was "where Monoclonar Antibodies are used?". I could have brought the actinium Use. If only you released this video one day earlier!
Ac-227 is another actinium isotope with a practical application. With a half life of over 20 years, Ac-227 is used as a precursor to Ra-223 which is used to treat prostate cancer metastases in bone.
As i was hoping for a medical connection to the elements i was very very happy and amazed that this time i could learn about one-the anti-cancer properties of ACTINIUM.
i love watching the video's! very interesting and educational. i was also wondering if you guys are connected to something like ''folding at home''. i would like to let my pc help in any number crunching equations and whatever way it can if possible.
I remember a large periodic table in my high school classroom that had photographs of most elements. It included what was clearly a lump of silvery metal for both radium and actinium. I have never again seen these pictures and have begun to imagine that they were images of something else, intended to show what it *ought* to look like, and not what it actually looks like.
I'm guessing Actinium is mainly a beta emitter as the glow it emits appears to be from Cherenkov radiation. Or is it just from the oxygen and nitrogen being ionized?
Note that the blue glow is not due to Cherenkov radiation as one may suspect in association with intensely radioactive substances, as the density of air is very low and its index of refraction is only .03% higher than vacuum, but rather the blue color is due only to the numerous rovibrationally coupled emission lines in electrically excited oxygen and nitrogen gas. ie. it is blue for the same reason sparks are blue and the similarity to the color of Cherenkov radiation is merely coincidental.
At the stock markets worldwide there are usually several newly established inventory companies making cancer treatment drugs consisting of antibodies connected to actinium and other shortlived radioactive elements. Most of these companies will fail, but a few are supposed to become extremely licerative.
One part that he didn´t say about Cancer treatment is that to do that one need a liquid core circulating reactor, other vice one can not get them out of the system sufficiently fast. The problem with this is that nuclear power regulation, that is really just in place to push gas, wind and solar, are in the way making it very expensive to build this reactors due to overregulation. So renwable basicly blocks efficent cancer treatment. And it would be very efficent. For some cancers like leukemia the treatment would be pretty much order of magnitude better than we got to day. Even for clustered canser like brain canser it would be quite a bit more efficent than we got today
I have a question if you can :) what would happen if all these trace elemenets (such as actinium, technicium etc) were suddenly to dissapear from these ores that have like 1mg / ton of them would anything change that we would notice?
the blue glow isn't from ionization, it's from Cherenkov radiation, the alpha particles emitted have enough energy that they're moving faster than the speed of light in air, so the electrons in the O2 and N2 molecules get a sort of sonic boom in the electric field and emit light.
Sloan the Great i want to really badly since tritium is AWSOME and i am currently trying to collect samples of pure elements but its hard to do that as i am only 15 and live in the middle of nowhere lol
Hey periodic videos i have a question What happens if someone would put a super heavy man-made element in a particle accelerator a second time... would it make a new element or what, also i ask due to it is probably very hard t do with the super heavy man-made elemet's half life
Does Actinium actually vaporized or just loses its "energy"? For the case, lets say I put actinium inside someone, aka cancer organ, will it leave no trace after its effect is gone?
I saw a video from TraxNYC where they found some Actinium in a fake gold ring. Does anyone know how something as rare as actinium could end up in fake jewelry? There was 0.5% of Actinium by mass.
I always mix up Actinium and Astatine cause I hear about how Astatine, if it could be collected into a visible amount, would glow brightly from radioactivity.
Dpeends on the isotope but if you want to look up the 'actinium series' of 235U you'll see the chain of decay products leading from that istope to stable lead via 227Ac along the way. Next stop in the series is thorium or francium depending on whether the actinium undergoes beta or alpha decay.
Hope you're doing well now. No fun having cancer but hopefully the coolness of having this encounter with an exotic element was some consolation during your treatment journey.
Why do I watch these? I never miss one, I'm a 58 year old server administrator and have never had anything to do with chemistry, but I can't stop! They're so interesting!
i want to get into server administration, hows the job going for you?
I am a 30 year old cook. I absolutely love the way he can get you hooked with his way of explaining it. I think it has alot to do with his real passion. Don't matter what you do, if you feel real passion in doing it, you will always listen to someone else with the same passion in a different field totally amazed.
phaser818 they're. Correction. Minecraft server perhaps?
Never too old to learn something new, even if it's not in your field.
The hardest part of the Server admin job is keeping current with all the changes. Changes in the OS, security ect. You must constantly study and update you skill set.
Yay! A new video. We miss you in your absences professor.
Me too!
I echo your sentiment.
Mind Blown True.
Actinium Nitrate wowowowo
Mind Blown Nice thumbnail, by the way. Tim and Eric are my pep peps
Please never stop these videos,these are fuels of inspiration
"Your mind is a bit like a soup: it has the be stirred up all the time;
and then, interesting vegetables float to the surface - and you will
have new ideas. If you just sit there, it all stagnates and gets
boring."
Martyn Poliakoff
I don't usually leave comments - but Ac-225 has a half-life of 10 days not 10 hours (and I haven't seen this correction yet). It is quite a critical difference when it comes to clinical application.
Ac-225 is an isotope of interest because of the "longer" half-life. It provides time to localize a radiolabelled targeting vector (such as an antibody) which can take 24-72 hours depending on the vector. A 10 hour half-life alpha emitter would destroy much more healthy tissue prior to arriving at the target which are typically cancer cells.
Thank you for making this video!
I also was wondering about that, a 10 day half life is a whole different beast altogether....
It's mentioned in the "Show more" section. I too wish they'd gone a little more in depth into the cancer treatment portion; I feel Actinium has more potential than they let on.
Are you in the antibody business? I work at ORNL on the Ac-225 team!
I figured they'd add a correction eventually :)
My day job is at [insert acronym here for nuclear research lab] TRIUMF, I'm not usually involved with Ac-225 but managed to electroplate some from aqueous a while back. I work more intimately with Tc-99m and Cu-64 right now. It appears that Ac-225 interest will only keep growing.
With such a short half life, how do you get it from factory to hospital? I assume it must be in continuous production to have enough around for anybody to be able to work with it.
Finally a new periodic video, this is a special day
Ακτίνα yes, it's used in modern Greek too and it means beam
He was gone for a while cause he was reading a book about Helium. He just couldn't put it down.
Just thought you'd float that one?
that was heli-arious
And then there is a funny joke in the book.
"He He He" the professor laughs XD
You'll float too!
rly mak u dink 🤔
I love it when there is a new video released on this channel
Awesome video!!
when are you going to shoot it out of a shotgun?
As soon as somebody makes a slug of it. There will be one unhealthy ballistic gummy bear at the end of it.
TAOFLEDERMAUS didn't think id see you here.oh yeah shoot sum plutonium or something too.
Hmm try shooting Coprenicisium
;)
My favorite chemistry/physics channel!
I always enjoy all your videos. I think it would be a good idea make a video explaining the main subfields of chemistry (Inorganic, Organic, Nuclear, Analytical, etc). Thanks for these amazing videos
actinuim. One of my favorite elements. Great video!
I work with Ac225, and I want to add that a lot of groups are looking at chemical constructs that can retain the isotope after decay. The actinium (and much of its daughters) experience a significant recoil due to the large momentum of the emitted alpha particle. Antibodies will loose the isotope after decay, which can be very toxic. Around 80% of the nuclear energy is emitted after the first radioactive decay of Ac225.
Great video as always!!
Almost one million subscribers! I can't wait what they will have in store for this momentous occasion!
I love watching you guys.
I've learned a ton over the years from this channel.
I love his excitement with the hand waiving!!
Yay! Great to see the prof at it again! Keep 'em up!!!
I could just listen to the professor talk all day. . .
Love this channel
Great to see a new Periodic Video... particularly one on Actinium, an element I have been particularly interested in for several years now. Many thanks.
I like this guy. He keeps things foundational and doesn't patronise us.
Love these science classes on TH-cam!
İ like to hear on chemistry from you professor. Becauseİ can understand your speaking easily. You are my virtual teacher on youtube. Thank you!
I wonder how many confidential papers are on the shelves behind the Professor
probably some on high explosives as well
Great series, please never stop it.
I love, really love this element videos, it's inspiring to watch someone with this passion about knowledge. Also, i always wondered how radioactive elements look like and now i'm able not just watch them but understand them better
thankful you uploaded this, needed a break from revision for A-level chemistry paper 3 tomorrow :)
How did you get on in the end?
There was a question on my final Exam of the Higer School that was "where Monoclonar Antibodies are used?". I could have brought the actinium Use. If only you released this video one day earlier!
Ac-227 is another actinium isotope with a practical application. With a half life of over 20 years, Ac-227 is used as a precursor to Ra-223 which is used to treat prostate cancer metastases in bone.
professor is back
As i was hoping for a medical connection to the elements i was very very happy and amazed that this time i could learn about one-the anti-cancer properties of ACTINIUM.
Hey Periodic Videos, I'd like to see a video talking really in depth about how transition metals oxidize. Love your work!
i love watching the video's! very interesting and educational.
i was also wondering if you guys are connected to something like ''folding at home''. i would like to let my pc help in any number crunching equations and whatever way it can if possible.
I remember a large periodic table in my high school classroom that had photographs of most elements. It included what was clearly a lump of silvery metal for both radium and actinium. I have never again seen these pictures and have begun to imagine that they were images of something else, intended to show what it *ought* to look like, and not what it actually looks like.
0:33 who knew Vladmir Lenin was a chemist?
Didn't expect that, greetings from the Czech Republic 😀
🇨🇿
Yes!!! Ακτίνα that means Ray. For example, Ακτίνα Ηλίου is a Sun Ray. Ήλιος=Sun as in Helium!!! Great video as always!!!
Great video Professor! Besides, I loved the greek reference for actinium.
Actinium is also one of the elements mentioned in Shriekback's "The Reptiles and I."
The other elements that glow is Einsteinium, Radium and Curium.
Which is most radioactive among them
Wow This channel almost hit 1,000,000 sub
Can you make a video about the chemistry of hair? It would be very intense #.
I'm guessing Actinium is mainly a beta emitter as the glow it emits appears to be from Cherenkov radiation. Or is it just from the oxygen and nitrogen being ionized?
Poliakov is my spirit animal.
Beautiful decay.
always glad to see these videos...
God bless this man
Note that the blue glow is not due to Cherenkov radiation as one may suspect in association with intensely radioactive substances, as the density of air is very low and its index of refraction is only .03% higher than vacuum, but rather the blue color is due only to the numerous rovibrationally coupled emission lines in electrically excited oxygen and nitrogen gas. ie. it is blue for the same reason sparks are blue and the similarity to the color of Cherenkov radiation is merely coincidental.
thanks to you professor
it is amazing video
Interesting use.
At the stock markets worldwide there are usually several newly established inventory companies making cancer treatment drugs consisting of antibodies connected to actinium and other shortlived radioactive elements. Most of these companies will fail, but a few are supposed to become extremely licerative.
One part that he didn´t say about Cancer treatment is that to do that one need a liquid core circulating reactor, other vice one can not get them out of the system sufficiently fast. The problem with this is that nuclear power regulation, that is really just in place to push gas, wind and solar, are in the way making it very expensive to build this reactors due to overregulation.
So renwable basicly blocks efficent cancer treatment. And it would be very efficent. For some cancers like leukemia the treatment would be pretty much order of magnitude better than we got to day. Even for clustered canser like brain canser it would be quite a bit more efficent than we got today
I love learning! These are such great vids.
Bismuth 213 is being used in a similar cancer treatment as Actinium 225.
I have a question if you can :)
what would happen if all these trace elemenets (such as actinium, technicium etc) were suddenly to dissapear from these ores that have like 1mg / ton of them
would anything change that we would notice?
Prof, what was the last element able to be elucidated by physical chemistry vs using a particle accelerator
'Actina' is Greek for beam as the professor said but it also means radius in greek
the alpha particle produced by actinium could be used in many applications to finding gold or detecting a unseen enemy hiding in the bushes.
Where can I get that Periodic Table? Quite informative.
A science channel done properly!
*cough cough infantile fidget spinners and life hack videos*
that cancer treatment is really creative
the blue glow isn't from ionization, it's from Cherenkov radiation, the alpha particles emitted have enough energy that they're moving faster than the speed of light in air, so the electrons in the O2 and N2 molecules get a sort of sonic boom in the electric field and emit light.
Yay new video day! Greetings from Texas.
You never mentioned what type of decay it radiates
Love this guy!
Do a video about botulinum toxin will you?
this videos are really usefull! Love them!❤
that glow is so cool. i just wish it wasn't so harmful
SuperCookieGaming i collect uranium glass it glows under black lights but its safe
that sounds so cool
Do you collect Tritium?
Sloan the Great i want to really badly since tritium is AWSOME and i am currently trying to collect samples of pure elements but its hard to do that as i am only 15 and live in the middle of nowhere lol
Isaac The Destroyer of Stuped You'll find something else that catches your fancy
Hey periodic videos i have a question
What happens if someone would put a super heavy man-made element in a particle accelerator a second time... would it make a new element or what, also i ask due to it is probably very hard t do with the super heavy man-made elemet's half life
Does Actinium actually vaporized or just loses its "energy"?
For the case, lets say I put actinium inside someone, aka cancer organ, will it leave no trace after its effect is gone?
It decays through a series of short-lived intermediates to bismuth-209.
What's in the Crayola box on the shelf behind you?
It is used in modern Greek too
I clicked on this the moment I saw this,
L T HORNING same i love this channel
what is rarer
Actinium or Endohedral fullerene
Another great video keep up your good work 👍
is there any element named after the sound it makes?
it is modern Greek as well. it is how we describe x rays.
@periodic Videos. Can you do a video on bio diesel?
I've seen this video before. how is this possible since it just came out. i think you re uploaded this.
how is it improved? it feels like there is less information
Has the Professor had a haircut recently?
yes
Yes, back in May. The previous one before that was back in the 1400's
I think he had a hear cut in 1899.
It shrinks depending on the season.
No, the young birds grew up and left the nest which reduces the apparent bulk of it.
The picture looks like the marvelous tesseract.
Where is morty?
what is the pure form of this element
I saw a video from TraxNYC where they found some Actinium in a fake gold ring. Does anyone know how something as rare as actinium could end up in fake jewelry? There was 0.5% of Actinium by mass.
I always mix up Actinium and Astatine cause I hear about how Astatine, if it could be collected into a visible amount, would glow brightly from radioactivity.
a video on Actinium, YAY! My element! (because it's Ac and so has my initials XD)
a blue glow, huh? brb, gonna make some Nuka Cola Quantum
Into what element does it decay,?
Dpeends on the isotope but if you want to look up the 'actinium series' of 235U you'll see the chain of decay products leading from that istope to stable lead via 227Ac along the way. Next stop in the series is thorium or francium depending on whether the actinium undergoes beta or alpha decay.
We love you more than Brady Professor! But you already knew that. 😘😘😘
Science needs to discover more elements. So we can have more videos.
New Video!
actinium-225 has a 10 day half life, I had it injected into me for cancer treatment.
Hope you're doing well now. No fun having cancer but hopefully the coolness of having this encounter with an exotic element was some consolation during your treatment journey.
Wonderful
The cancer treatment whit this is preatty smart
Amazing! Yay, new video, keep it up!
Rudolph's red nose was very *actinomical*. I just learned something new. Hurray!
this guy is still alive?!?!
He's only 76, not even 70 when you wrote your comment
this guy must be a mad scientist. Look at his hair!!! and his flappy hand motions.
what's name him?
love your video's❤