Description
Polyethylenimine MAX (PEI MAX®) is a versatile, trusted, and cost-effective transfection reagent designed for process development and widely recognized as a gold standard for both in vitro and in vivo applications. Known for its stable complexation with DNA, effective cellular entry, and superior endosomal escape, PEI MAX® achieves high transfection efficiency across a broad range of cell types, including HEK293 and CHO cells, in both adherent and suspension cultures. PEI MAX® enables high-yield transfection outcomes without compromising cell viability, making it an excellent choice compared to other PEI-based and liposomal reagents on the market.
Key Applications
- Transient and stable transfection
- Co-transfection and sequential transfection
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AAV and lentiviral vector production
- Recombinant protein and monoclonal antibody (mAb) production
Key Features
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Broad-Spectrum Transfection
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Efficiently transfects a wide array of cell types, making it ideal for diverse applications in bioproduction.
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Superior Performance
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Delivers high-efficiency transfection with minimal cytotoxicity, supporting optimal results in various applications.
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Flexible Workflow
- Simple to optimize and integrate into existing protocols, PEI MAX® is scalable for use in well plates, flasks, and large-capacity bioreactors.
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Cost Effective
- Economically priced, offering substantial cost savings compared to similar transfection reagents.
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Proven Reliability
- Backed by over 60 years of Polysciences’ expertise in specialty chemical manufacturing, PEI MAX® has been trusted by researchers worldwide for over a decade to support robust research and development.
| Catalog No. | 24765 |
| Appearance | White to off-white free flowing solid |
| Molecular Weight | 40,000 (~22,000 free base) |
| Solubility | Cold & room temperature water |
| Insoluble in | Common organic solvents (ethanol, acetone, tetrahydrofuran) |
| Hazards | Irritant |
| Store At | Room temperature |
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