chemistrypoint

Chemistry Point

1 Years ago
Tiny light-up barcodes identify molecules by their twinkling: Tags made of flashing DNA let researchers tease apart dozens of molecules at once

Tiny light-up barcodes identify molecules by their twinkling: Tags made of flashing DNA let researchers tease apart dozens of molecules at once

An imaging technique could make it possible to peer inside cells and watch dozens of different molecules at once -- by labeling them with short strands of light-up DNA that blink on and off with their own unique rhythm. Though they're all the same color, the technique makes it possible to distinguish as many as 56 types by their twinkling, more cheaply than traditional methods and without fading over time.

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