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Medchemexpress LLC Cholesterol-PEG-biotin | 2000 (average) | (C2H4O)nC40H66N4O4S | 50 MG
Supplier: Medchemexpress LLC HYW44071150MG
Cholesterol-PEG-Biotin (MW 2000) is a PEGylated lipid conjugate combining a cholesterol anchor with a biotin tag via an approximate 2,000 Da PEG spacer. It is designed to incorporate into lipid bilayers or liposomes and present biotin for high-affinity binding to avidin or streptavidin, enabling surface immobilization, targeted capture, and bioconjugation in biochemical and nanotechnology applications. Supplied as a powder with low-temperature storage recommendations.
- Provides a biotin handle for strong avidin/streptavidin binding.
- Anchors to lipid membranes via a cholesterol moiety.
- Peg spacer increases aqueous solubility and reduces steric hindrance.
- Enables liposome functionalization and surface immobilization.
- Supplied as a powder with recommended low-temperature storage.
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