Fluoresbrite® 641 Carboxylate Microspheres 1.75µm

Fluoresbrite® carboxylate microspheres are fluorescent monodispersed polystyrene microspheres that have carboxylate groups on their surfaces which can be activated for the covalent coupling of proteins. Polysciences’ Fluoresbrite® particles are used worldwide in phagocytosis and neural retrograde transport studies, and as markers for cell bound antigens.

Nominal Reference Values:

• 1.75µm particles packaged as 2.5% aqueous suspension.
• 2.5997 x 10¹⁰particles/ml
• 641nm Excitation
• 662nm Emission