News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Angewandte Chemie, David Russell |   Packed With Info A fingerprint glowing green with a positive test for marijuana. This is accomplished using a new technique that attaches iron oxide particles to antibodies and suspends them both in a liquid solution, which is then drizzled over a fingerprint. If the chemical that a specific antibody targets is present, the molecules latch onto it and glow. | Discovery News Video   « back to article

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Image Credits Angewandte Chemie, David Russell |

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