Description
PEI 40K (also known as PEI 22K in free base) is a powerful, trusted, and cost-effective transient transfection reagent. In HEK293 and CHO expression systems, PEI offers consistently high gene expression on a wide scale (96 well plates up to 100 L bioreactors). Each year, more researchers and companies turn to Polysciences PEI to gain an edge in their critical work. Relative to most other options, using PEI to prepare transfection reagents in-house can offer as much as a 40% reduction in total transfection costs.
Product information
CAS Number: 49553-93-7
Chemical Name: Polyethylenimine Linear (PEI) MW40000
Technical Data
Appearance: Solid Power
Purity: ≥98% (or refer to the Certificate of Analysis)
Solubility: To be determined
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis
Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.
Shelf Life: ≥12 months if stored properly.
Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.
Drug Formulation: To be determined
HS Tariff Code: 382200
References:
- Baranyi, L. et al. Rapid Generation of Stable Cell Lines Expressing High Levels of Erythropoietin, Factor VIII, and an Antihuman CD20 Antibody Using Lentiviral Vectors. Human Gene Therapy Methods 24, 214–227 (2013).
- Delafosse, L., Xu, P. & Durocher, Y. Comparative study of polyethylenimines for transient gene expression in mammalian HEK293 and CHO cells. Journal of Biotechnology 227, 103–111 (2016).
- Gutiérrez-Granados, S., Cervera, L., Segura, M. de las M., Wölfel, J. & Gòdia, F. Optimized production of HIV-1 virus-like particles by transient transfection in CAP-T cells. Applied Microbiology and Biotechnology 100, 3935–3947 (2016).
Products are for research use only. Not for human use.
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