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Good Riddance
ASEE Prism, Jan 2008 by Grose, Thomas K
INKS
LIFE CAN BE TOUGH for the young, beautiful and hip. Consider Angelina Jolie. When her main man was actor Billy Bob Thornton, she had his name emblazoned on her arm. When she took up with Brad Pitt, Thornton's name had to come off. Typically, removing tattoos is a difficult process requiring multiple laser treatments.
Fortunately, help is on the way for tattoo wearers who want a new look. A new technology developed by Edith Mathiowitz, professor of medical science and engineering at Brown University, could result In inks for tattoos that are much easier to erase.
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The process is called microencapsulationthat's the use of microcapsules of polymers to coat tiny particles, such as molecules. In this case, the microcapsules are filled with dye molecules and mixed in a solution. Though just as durable as traditional inks,Mathiowitz's are safer and more easily removed.They're free of heavy metals and toxins, so they're also less likely to cause allergic reactions. More important, once zapped in a single laser treatment, they break open and the body can safely absorb the Ink. Says Mathiowitz: "It's terrific that my technology has such a cool consumer application." Still, she stresses it also has "enormous possibilities"for drug delivery. New York company Freedom-2 has licensed the technology, which it funded, to make the inks. So, Angelina, it may soon be safe to get Brad's name tattooed on your other arm. -THOMAS K. GROSE
Copyright AMERICAN SOCIETY FOR ENGINEERING EDUCATION Jan 2008
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Most Popular Articles in Reference
- The importance of understanding organizational culture
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