Polyethylenimine, Branched, Mw 70,000, 50% w/v aq. soln. (bPEI 70000 50% soln.) - 1kg

Polyethylenimine (PEI), Branched, with an average molecular weight of 70,000 Da, is a versatile cationic polymer commonly used in gene transfection, nanoparticle synthesis, and biomaterial surface modification. Supplied as a 50% (w/v) aqueous solution, this reagent offers excellent solubility, high charge density, and strong nucleic acid binding capacity.

Key Features:

• Molecular weight: ~70,000 Da (branched form)
• Concentration: 50% w/v aqueous solution
• Quantity: 1 kg
• Highly efficient DNA/RNA transfection reagent for mammalian cells
• Ideal for polyplex formation and nanoparticle surface coating
• Excellent buffering capacity in physiological pH range

Applications:

• Gene delivery and transfection studies in molecular biology
• Nanoparticle functionalization and biosensor fabrication
• Surface modification of biomaterials and polymers
• Protein immobilization and plasmid complexation research