Example image of eyePlorer eyePlorer map for 'Radioactivity in biological research': Isotopic labeling Half-life Particle accelerator Fluorophore Nucleic acid Protein Tritium Curie Mole (unit) Uridine triphosphate Carbon-14 Radiometric dating Ion transporter Sodium-22 Isotopes of sulfur Amino acid Cysteine Thiol Nucleotide Polymerase Thiophosphate Phosphorus-33 Neutron Phosphorus-32 Autoradiograph Poly(methyl methacrylate) Iodine-125 Thyroxine Liquid scintillation counting Scintillation counter Geiger counter Dot blot Northern blot Photostimulated luminescence Electron microscope PMT Schild regression Adenosine triphosphate Health physics Rad (unit) Mammography Nucleic acid methods DNA microarray experiment Regulation of gene expression