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Viral Transduction

Products >  Viral_Transduction >  Lentiviral_Transduction_Tools >  Polybrene_Alternative

Rapid Lentiviral Transduction without Polybrene

Lenti-X Accelerator is a magnetic bead-based technology designed to accelerate lentiviral transduction experiments. Traditional lentiviral transductions require overnight incubation of your cells and virus with Polybrene, but Lenti-X Accelerator allows you to complete this process in only 30 minutes and avoid using Polybrene altogether. Charged magnetic beads bind to virus particles from your lentiviral packaging supernatant and are pulled into contact with your cells in the presence of a magnetic field (see Images & Data tab).

Lenti-X Accelerator is excellent for transducing lentivirus and MMLV retrovirus, including MSCV retrovirus preparations. It is ideal for cell types that are sensitive to Polybrene. The Lenti-X Accelerator reagent (Cat. Nos. 631256 & 631257) and a Magnetic Separator for Cell Culture (Cat. No. 631255) are available separately, or together in the Lenti-X Accelerator Starter Kit (Cat. No. 631254). Low-titer lentiviral samples may be concentrated with Lenti-X Concentrator prior to transduction.

Do I Really Need To Use the Magnetic Separator?

Lenti-X Accelerator beads are large enough to carry out transduction by gravity alone without using a magnet, so you can evaluate transduction efficiency without using the Magnetic Separator. Transduction is still very rapid (15 min) compared to Polybrene (overnight), but the Magnetic Separator reduces the transduction time to 5 min and provides 10% higher transduction efficiencies. The Magnetic Separator also allows easy removal of the beads from your transduced plate—i.e., after you trypsinize to separate your cells, you can briefly expose the cells to the magnet before aspirating them to another dish.

  At-A-Glance   Documents   Images & Data   Resources


  • Lentiviral transduction in only 30 min using magnetic beads
  • Ideal for transducing Polybrene-sensitive cells
  • Concentrate low-titer lentiviral samples with Lenti-X Concentrator before transduction


  • Transduction of lentivirus and MMLV retrovirus, including MSCV retrovirus preparations
  • Transducing Polybrene-sensitive cell types

Additional Information

Please see the product's Certificate of Analysis for information about storage conditions, product components, and technical specifications. Please see the Kit Components List to determine kit components. Certificates of Analysis and Kit Components Lists are located under the Documents tab.

Cat. # Product Contents Size Price Units Select
631256 Lenti-X™ Accelerator 400 uL $355.00
631257 Lenti-X™ Accelerator 1,000 uL $708.00
631254 Lenti-X™ Accelerator Starter Kit Each $922.00



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