Description Application Bis(2,2′-bipyridine)-4′-methyl-4-carboxybipyridine-ruthenium N-succinimidyl ester-bis(hexafluorophosphate) has been used: • as a component in the preparation of ruthenium labelling agent solution (RuC) as an extrinsic fluorophore • to stain protein in mass cytometry • in the synthesis of ruthenium (Ru) gelatin • in the preparation of streptavidin-Ru(bpy)32+ mixture involved in aptamer-magnetic bead electrochemiluminescence (ECL) sandwich assays Activated ester of ruthenium complex for acylation of amino acid side chain amines. Features and Benefits This dye has a long fluorescence lifetime (near 500 nanoseconds) with high photostability, good water solubility, a lack of dye-dye interactions and large Stokes′ shifts. Packaging Bottomless glass bottle. Contents are inside inserted fused cone.