A green fluorescent, amine-reactive dye for labeling antibodies, proteins and amine-modified oligonucleotides.
Thermo Fisher Scientific Alexa Fluor™ 488 NHS Ester (A20000) enables covalent fluorescent labeling of primary amines on proteins, peptides and other biomolecules. Its succinimidyl ester group provides a convenient route for preparing fluorescent antibody and protein conjugates.
Alexa Fluor™ 488 is compatible with the widely used 488 nm laser line. The dye is water-soluble and maintains fluorescence across pH 4–10, supporting imaging and flow cytometry workflows. Invitrogen™
Brand: Thermo Fisher Scientific / Invitrogen
Catalog number: A20000
Product type: Amine-reactive fluorescent dye
Reactive group: NHS ester
Quantity: 1 mg
Excitation/emission maxima of the conjugate: 494/517 nm
Applications: Antibody labeling, protein conjugation, fluorescence microscopy and flow cytometry
Research use only: Not for diagnostic procedures
Original product link: Alexa Fluor™ 488 NHS Ester — A20000