title: Fluorescent indicators of ion concentrations.
authors.affiliation: Department of Physiology-Anatomy, University of California, Berkeley 94720.
authors.forename: R Y
authors.initials: RY
authors.lastname: Tsien
mesh_terms: D002118:Calcium / Q000032:analysis*; D002713:Chlorine / Q000032:analysis*; D005456:Fluorescent Dyes; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents / Q000032:analysis; D011522:Protons; D012964:Sodium / Q000032:analysis*
chemical_list: D005456:Fluorescent Dyes; D007202:Indicators and Reagents; D011522:Protons; D002713:Chlorine; D012964:Sodium; D002118:Calcium