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The first examples of color-changing nanotech tattoos have been developed over the past few years, and they’re not just for body art. They have a biomedical purpose. Imagine a tattoo that alerts you to a health problem signaled by a change in your biochemistry, or to radiation exposure that could be dangerous to your health.
You can’t walk into a doctor’s office and get a dynamic tattoo yet, but they are on the way. Early proof-of-concept studies provide convincing evidence that tattoos can be engineered, not only to change color, but to sense and convey biomedical information, including the onset of cancer.
In 2017, researchers tattooed pigskin, which had been removed from the pig, with molecular biosensors that use color to indicate sodium, glucose or pH levels in the skin’s fluids.
In 2019, a team of researchers expanded on that study to include protein sensing and developed smartphone readouts for the tattoos. This year, they also showed that electrolyte levels could be detected with fluorescent tattoo sensors.
In 2018, a team of biologists developed a tattoo made of engineered skin cells that darken when they sense an imbalance of calcium caused by certain cancers. They demonstrated the cancer-detecting tattoo in living mice.
Temporary transfer tattoos are also undergoing a high-tech revolution. Wearable electronic tattoos that can sense electrophysiological signals like heart rate and brain activity or monitor hydration and glucose levels from sweat are under development. They can even be used for controlling mobile devices, for example shuffling a music playlist at the touch of a tattoo, or for luminescent body art that lights up the skin.
Tattoos injected into the skin offer the best of both worlds: minimally invasive, yet permanent and comfortable. New needle-free tattooing methods that fire microscopic ink droplets into the skin are now in development. Once perfected they will make tattooing quicker and less painful.
originally posted by: muzzleflash
I have no tattoos and never will.
First of all its poison and causes health problems just getting it on you.
Second of all its a lame way to tell me something about yourself and I automatically dont like you because you're shallow and think these marks you pollute yourself with are cool or send a message.
Whatever reason I don't give a #.
It's trash.
originally posted by: muzzleflash
a reply to: dragonridr
"These reactions could be linked to the presence of harmful chemicals in most mainstream tattoo inks. Phthalates and benzo(a)pyrene are two of the most harmful chemicals present, both having been linked to cancer and endocrine disruption. They can also be found on the EPA's carcinogen list."
Thats the tip of the iceberg as there are various metals etc which are very unhealthy.
originally posted by: muzzleflash
...
Should I even bother looking it up to see if I'm right? Thats the normal route but at this point I'm not caring either way.