PEI-g-PEG-Biotin is a high-performance biotin-functionalized polyethyleneimine-graft-polyethylene glycol copolymer widely used in gene delivery, nanoparticle surface modification, targeted drug delivery, and bioconjugation. With a cationic PEI backbone for efficient nucleic acid condensation, PEG chains for enhanced biocompatibility and colloidal stability, and biotin groups for specific avidin/streptavidin recognition, this product supports biomedical research, targeted therapy development, and biomaterial engineering. Ideal for laboratory and industrial applications in regional and global biomedical markets, it offers reliable performance for biolabeling, targeted delivery systems, and surface functionalization.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.