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BPfectin Transfection Reagent is a specially designed and synthesized cationic polymer formulation which offers extremely high transfection efficiencies of 293 suspension cells in serum-free CD 293 TGE Medium. It is available separately or as part of the Power 293 Expression System.
BPfectin Transfection Reagent can be used as transfection reagent for DNA delivery to different cell lines including HEK293, CHO-K1, 3T3, A549 and Hela cells. The proprietary formulation of the transfection reagent enable ultra-low cytotoxicity to cells post transfection and compatible with serum. It is suitable for academic research, stable transfection and transient expression production. Detailed transfection protocols on your application may vary and needs to be developed.
• Support high efficient transfection of mammalian cells in suspension and adherent culture
• Ultra low cytotoxicity versus competitive alternatives and conventional cationic polymers
• Scalable from culture plate to large scale stirred bioreactor
• Ultra stable and long shell life
• Chemically define and regulatory friendly
Product Classification | Cell Type | Regulatory Statement | Shelf Life | ||||
Chemically Defined, Animal Origin-Free | Established Cell Lines | For Research Use Only | 12 months | ||||
Cat. No. | Name of Product | Product Size | Storage | Shipping | |||
TF-1157-11 | BPfectin Transfection Reagent | 1.5mL | at -20°C | 2-8°C |
Table 1:Ratio for transfection complexes formation
Plasmid for Transfection | 293 Expression MAX-1 | BPfectin | 293 Culture | ||||
10μg | 4μL | 30μL | 10 million cells |
• Before transfection, passage 293 cells with CD 293 TGE Medium for at least 3 round from an adaptation procedure, seeding density greater than 0.5 ×106 cells/ml, cell viability >95%. Culture at 150-180 rpm depending on your orbital shaker design and single cell distribution status.
• Seed 293 cells at 0.5 ×106 cells/ml and transfer to pre-warmed fresh medium, subsequently grow the cells to 1.5 to 2.2 ×106 cells/ml.
• The day before transfection, dilute the culture with fresh medium to 0.8 to 1.0 ×106 cells/ml and cell density at transfection should range from 1.5 × 106 to 2.0 × 106 cells/ml, provided the doubling time is 24 h and viability is greater than 95%.
• On the day of transfection, using sterile 150 mM NaCl solution to dilute DNA plasmid and add 293 Expression MAX-1 (Catalog # EXP-711) according to the instruction.
• Add BPfectin (Catalog # TF-1157) at ratio of 3:1 (BPfectin : DNA; volume/weight) to DNA solution mix well with vortex for 3 sec.
Note: DNA dosage for transfection is 1 ug per 1 million cells in culture, and volume of DNA-BPfectin complexes is 5%(v/v) of culture. (e.g. 500 μL to 10 mL culture).
• Incubate the complexes at RT for 10 min before transfection.
• Add DNA-BPfectin complexes to cells at 5% volume ratio mix well gently.
• 24 hours post transfection, add Feed X Supplement (Catalog # CF-1116) to culture at 10% volume ratio (e.g. 1 mL to 10mL culture).
• Harvest for purification typically 7 days post transfection or when cell viability drops below 55%.
Cat. No. | Product Name | Quantity | Storage Conditions |
---|---|---|---|
TF-1157-11 | BPfectin | 1.5 mL | -20°C |
EXP-711-11 | 293 Expression MAX-1 | 1 mL | -20°C |
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