A window into the body: groundbreaking technique makes skin transparent
Using common food dye, researchers make skin, muscle safely and reversibly transparent
September 9, 2024
Researchers have developed a new way to see organs within a body by rendering overlying tissues transparent to visible light.
The counterintuitive process—a topical application of food-safe dye—was reversible in tests with animal subjects, and may ultimately apply to a wide range of medical diagnostics, from locating injuries to monitoring digestive disorders to identifying cancers.
″Looking forward, this technology could make veins more visible for the drawing of blood, make laser-based tattoo removal more straightforward, or assist in the early detection and treatment of cancers,″ said Stanford University assistant professor of materials science and engineering Guosong Hong, a U.S. National Science Foundation CAREER grantee who helped lead this work. ″For example, certain therapies use lasers to eliminate cancerous and precancerous cells, but are limited to areas near the skin’s surface. This technique may be able to improve that light penetration.″
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