Fluorescein-PEG-Biotin, MW 5,000 is a biotinylated PEG polymer which can bind strongly with avidin or streptravidin for molecul target detection. The green dye can be used in biology for staining cells, tissues, biomarkers or nanoparticles. FITC has peak absorption or excitation at 494 nm and maximum emission at 521 nm. Reagent grade, for research purpose.
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