How LEDs Power a One-Step Hydrogen Isotope Exchange (IMAGE)

Princeton University

How LEDs Power a One-Step Hydrogen Isotope Exchange

Caption

From left: Gleevec, an anti-cancer drug, is submerged in heavy water (T2O) and bathed in blue LED light to replace hydrogen atoms with tritium atoms (green circles) in a one-step direct hydrogen isotope exchange (HIE). Clinicians can trace radioactive compounds in the body using sophisticated imaging technologies for research and diagnostic purposes.

Credit

Yong Yao Loh, Kazunori Nagao, and David MacMillan/Princeton University

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