Catalog No. : PBL-8174
Product Name : FITC-PEG-SH, MW 5k
Description :

FITC-PEG-SH is a linear bifunctional PEG reagent with a fluorescein dye. Fluorescein often called FITC is a commonly used fluorescent tracer in biology for staining cells, tissues, biomarkers or nanoparticles. It has peak absorption or excitation at 494 nm and maximum emission at 521 nm. Fluorescent PEG is commonly used for PEGylation to label or tag biomolecules and nanoparticles with dye and tracer. It has a reactive free thiol, SH, cysteine, sulfhydryl, or mercapto group that selectively reacts with maleimide and novel metal surface including gold, silver, etc.. It is useful for reversible PEGylation. Rhodamine or other dyes including NIR dyes labeled PEG-SH is offered through custom synthesis.

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