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- sulfo-Cyanine3-PEG3-Biotin
sulfo-Cyanine3-PEG3-Biotin
| Cat. # | Quantity | Price | Lead time | |
|---|---|---|---|---|
| 3079-1mg | 1 mg | 120.00$
|
||
| 3079-5mg | 5 mg | 290.00$
|
This fluorescent conjugate is useful to construct streptavidin-based fluorescent assays and visualize binding of biomolecules. This is especially useful because streptavidin has four binding centers for biotin – this gives opportunity to build different kinds of assays. For example, target molecule having affinity to surface can be conjugated with biotin and be immobilized on solid surface. After it, streptavidin can be bound to the biotinylated surface and washed. Then, bound streptavidin on the surface can be visualized with biotin-dye conjugate.
The long and hydrophilic PEG3 linker facilitates binding and decreases nonspecific interactions.
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Sulfo-Cyanine5-PEG3-Biotin
Conjugate of biotin with sulfo-Cyanine5 emitting in the far-red region of the spectrum.
