title: On the physical identity of scintillons: bioluminescent particles in Gonyaulax polyedra.
mesh_terms: D002462:Cell Membrane; D002499:Centrifugation, Density Gradient; D056890:Eukaryota / Q000032:analysis; D005470:Fluorometry; D006147:Guanine / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D002479:Inclusion Bodies; D008163:Luminescent Measurements; D008386:Marine Biology; D008854:Microscopy, Electron
chemical_list: D006147:Guanine