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Keywords:

  • DNA;
  • fluorescent probes;
  • imaging agents;
  • Nobel Prize;
  • proteins
Thumbnail image of graphical abstract

Strike a light! The discovery, isolation, and development of the green fluorescent protein (GFP) and related proteins has revolutionalized the specific fluorescence labeling of proteins in cells. GFPs, the subject of the 2008 Nobel Prize in Chemistry, even facilitate the imaging of various parts of cells in different colors (see picture).