PEI-b-PEG, Mn(PEI)=2 kDa, Mn(PEG)=5 kDa
A linear block copolymer composed of branched polyethylenimine (2 kDa) and polyethylene glycol (5 kDa). It exhibits low cytotoxicity, good water solubility, and excellent biocompatibility. Often used as a non-viral vector for gene delivery and drug encapsulation.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
