Category Archives: Autofluorescence

Textbooks upended as researchers show that DNA naturally fluoresces.

For decades, textbooks have stated that macromolecules within living cells, such as DNA, RNA, and proteins, do not fluoresce on their own. Technology instead relies on special fluorescence dyes to enhance contrast when macromolecules are imaged.  Now, a study from researchers from  Northwestern University shows that macromolecule structures in living cells do, in fact, naturally fluoresce. The team state that

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