Medical diagnostics is searching for substances capable of documenting early on whether a serious disease is developing or what its course will be. In many cases, the treacherous molecules are present only in trace amounts - which is why extremely sensitive methods of detection are urgently needed. Now, researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), along with scientists from Potsdam and Berlin, have come up with a new method of detection, which has allowed them to notice the presence of only 17 dye molecules.
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