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For researchers, scientists, and technical professionals: Your one-stop shop for the complete range of laboratory, production, and safety products and services.
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7-Dehydrocholesterol is a biosynthetic precursor of cholesterol and vitamin D3. It is present in relatively high concentrations in the skin, where it is converted to pre-vitamin D3 upon UV irradiation and is also exposed to exogenous radical sources and oxygen.
Biosynthetic precursor of cholesterol and vitamin D3.
Human endogenous metabolite.
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18:1 PEG2000 PE ammonium salt is a PEGylated phosphoethanolamine that attaches a methoxy-PEG2000 chain to phosphatidylethanolamine, enabling incorporation of a hydrophilic PEG surface into lipid bilayers and nanoparticle formulations. It is used in liposome and nanoparticle preparation, membrane model studies, and surface modification to impart steric stabilization and reduce aggregation.
Provides steric stabilization to lipid bilayers and nanoparticles.
Increases hydrophilicity and reduces aggregation of lipid assemblies.
Suitable for liposome and nanoparticle formulation and membrane model systems.
Reported high purity (>99%), suitable for research applications.
Powder form; hygroscopic and recommended storage at -20 °C.
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DSPE-PEG2000-Mal ammonium contains DSPE phospholipid and maleimide, designed for preparing nanostructured lipid carriers. It is known to extend blood circulation time and increase stability for encapsulated agents. Immune liposomes constructed with this product can be utilized for brain drug delivery.
Contains DSPE phospholipid and maleimide
Prepares nanostructured lipid carriers
Extends blood circulation time
Increases stability for encapsulated agents
Can be used for brain drug delivery with immune liposomes
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