Polyethylenimine, Linear, MW 25000, Transfection Grade PEI 25K 100 mg

Polyethylenimine (PEI) Linear, MW 25,000 (PEI 25K™) is a high-efficiency, cationic polymer widely used for DNA and RNA transfection in a broad range of mammalian cell lines. This transfection-grade reagent provides reliable complex formation with nucleic acids, ensuring high transfection efficiency and low cytotoxicity for both transient and stable gene expression studies.

Key Features:

• Product Name: Polyethylenimine Linear, MW 25,000 (PEI 25K™)
• Molecular Weight: 25 kDa (Linear form)
• Grade: Transfection grade – high purity, endotoxin-free
• Appearance: White to off-white powder
• Quantity: 1 g
• Solubility: Water and buffer soluble
• Applications: DNA/RNA transfection, gene delivery, nanoparticle coating, nucleic acid complexation
• Storage: Store at −20°C in a dry environment

Applications:

• High-efficiency DNA and siRNA delivery in HEK293, CHO, HeLa, and other cell lines
• Production of viral vectors (AAV, lentivirus)
• Nanoparticle surface functionalization
• Research in gene therapy and molecular biology