Scientists look deeper into the body with new fluorescent dye

December 24, 2015

Glowing dyes help scientists see inside the body and diagnose ailments, but they needed a certain type of molecule to improve the imaging depth. They invented a long wavelength near-infrared fluorescent molecule, and it works.

In recent years, physicians and researchers have increasingly turned to glowing dyes to look beneath the skin. An eye doctor, for example, might inject a dye into a patient's blood before shining a bright light in her eye. The dye causes the blood vessels to glow, providing a road map of the patient's retina on a computer screen.

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