EuropiumLutetiumSilicatesFluoroimmunoassayPhotosensitizing AgentsLuminescenceTomography Scanners, X-Ray ComputedMetals, Rare EarthPhotochemotherapyPhantoms, ImagingSamariumPositron-Emission TomographyLuminescent AgentsTerbiumYtterbiumLanthanoid Series ElementsStreptavidinEquipment DesignPhenanthrolinesStearatesAmmonium HydroxideFluorometryOrganometallic CompoundsChelating AgentsCoordination ComplexesHeterocyclic Compounds, 1-RingThenoyltrifluoroacetone