Cholera toxin B subunit (CTB) binds GM1 ganglioside. Fluorescent CTB is used to label lipid rafts and as a neuronal retrograde tracer. Biotiums CF dyes have superior brightness and photostability compared to other dyes. Near-infrared CF740 dye has Ex/Em at 742/767 nm. 100 ug.
Source:
Synthetic
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