Cholesterol-PEG-Mal,MW 5K is a lipophilic lipid PEG conjugate with good water solubility. Cholesterol-PEG-Mal ,MW 1K can be used to make targeted liposome to improve circulation time for encapsulated drugs. They may also be used for non-viral transfection reagents. The maleimide group on the nanoparticle surface can react with thiol-containg moieties.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.