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Scientists use food dye found in Doritos to make see-through mice
Food dye transformed the skin of mice into a living window revealing blood vessels, muscle fibers and gut contractions, according to a new study.
About five minutes later, the opaque skin of the mice transformed temporarily into a living window, revealing branching blood vessels, muscle fibers and contractions of the gut, they reported Thursday in the journal Science. It could be used to diagnose deep-seated tumors without surgery, help locate a vein for a blood draw or make cosmetic procedures like tattoo removal more precise, said Guosong Hong, a materials scientist at Stanford and one of the study’s leaders. Even if this feat falls short of some of the most fantastical notions of invisibility, Rowlands said the new work was “a big deal,” allowing researchers to look 10 times deeper into living tissue with a simple topical application of a common food dye.
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