Tiny ‘blinkers’ enable simultaneous imaging of multiple biomolecules

In everyday life, blinking lights can send signals — for example, that a car is going to turn. Now, researchers have engineered tiny ‘blinkers’ that reveal single molecules of RNA or protein inside cells based on the duration and frequency of each flash. The research could allow scientists to see the locations of many different biomolecules in a cell simultaneously, possibly leading to better diagnostics and treatments.

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