First Electron Microscope Image of DNA Double Helix

dna-double-helix

The structure of DNA was originally discovered by using X-ray crystallography, which involves scattering X-rays off atoms in crystallized arrays of DNA to form complex patterns of dots on photographic film. Images were then interpreted using complex mathematics. These new images are now direct pictures of DNA strands, seen through an electron microscope, which sees electrons rather than photons.

Read more @ SciTechDaily

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