Sulfo-Cy3-PEG3-biotin is a PEG linker with a fluorescent Cyanine 3 dye and a terminal biotin group. Cyanine 3 dyes are popular fluorescent dyes compatible with various detection techniques and standard filters. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. Reagent grade, for research use only.
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