title: Determining intracellular viscosity from the rotational motion of spin labels.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D004578:Electron Spin Resonance Spectroscopy / Q000379:methods; D004912:Erythrocytes / Q000032:analysis*; D006801:Humans; D051379:Mice; D013113:Spin Labels; D014783:Viscosity
chemical_list: D013113:Spin Labels