title: Localization of free calcium using image intensification.
mesh_terms: D000331:Aequorin; D000656:Amoeba / Q000032:analysis; D000818:Animals; D002118:Calcium / Q000032:analysis* / Q000378:metabolism; D004447:Echinodermata; D005260:Female; D005306:Fertilization; D005399:Fishes; D005456:Fluorescent Dyes; D007089:Image Enhancement / Q000379:methods; D008163:Luminescent Measurements; D010063:Ovum / Q000032:analysis
chemical_list: D005456:Fluorescent Dyes; D000331:Aequorin; D002118:Calcium