DailyKenn.com — Imagine a device that can read your medical history as easily as it reads your body temperature.
A specialized dye that is invisible to the naked eye has been developed to record your vaccination history. The tattoo could, we suppose, double as a passport for a large number of vaccines.
The technology was introduced in 2019.
Several years ago, the MIT team set out to devise a method for recording vaccination information in a way that doesn’t require a centralized database or other infrastructure. Many vaccines, such as the vaccine for measles, mumps, and rubella (MMR), require multiple doses spaced out at certain intervals; without accurate records, children may not receive all of the necessary doses.
“In order to be protected against most pathogens, one needs multiple vaccinations,” Jaklenec says. “In some areas in the developing world, it can be very challenging to do this, as there is a lack of data about who has been vaccinated and whether they need additional shots or not.”
To create an “on-patient,” decentralized medical record, the researchers developed a new type of copper-based quantum dots, which emit light in the near-infrared spectrum. The dots are only about 4 nanometers in diameter, but they are encapsulated in biocompatible microparticles that form spheres about 20 microns in diameter. This encapsulation allows the dye to remain in place, under the skin, after being injected.
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