Fluorescence microscopy is the most popular way to image biomolecules, but it leaves many of them in the dark. Non-fluorescent, light-absorbing molecules can now be viewed by a method that turns them into mini-lasers.
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Hell, S., Rittweger, E. Light from the dark. Nature 461, 1069–1070 (2009). https://doi.org/10.1038/4611069a
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DOI: https://doi.org/10.1038/4611069a
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