Pierce™
PIER46410EA
110
EUR
InStock
PIER46410
PIER46409
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester ≥90% (par HPLC) colorant fluorescent, Pierce™
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester
NHS fluorescein is an amine reactive derivative of fluorescein dye for antibodies and other probes in fluorescence microscopy, flow cytometry, and immunofluorescence based assays such as western blotting and ELISA.
- Label antibodies for use as immunofluorescent probes
- Label oligonucleotides for hybridization probes
- Detect proteins in gels and on Western blots
- Excitation⁄Emission - 494⁄518 (nm)
NHS fluorescein is activated with the N-hydroxy-succinimidyl (NHS) ester functional group. These fluorescein dyes are mixtures of isomers with reactive groups attached at the fifth and sixth positions of the bottom ring. The properties of these isomers are indistinguishable in terms of excitation and emission spectra and for protein applications there is no need to isolate a specific isomer.