Date published: 2025-11-4

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Polybrene® (CAS 28728-55-4)

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Datasheets

See product citations (1552)

Alternate Names:
Hexadimethrine bromide; 1,5-Dimethyl-1,5-diazaundecamethylene polymethobromide
Application:
Polybrene® is a highly efficient infection reagent used to introduce retroviral vectors into mammalian cells
CAS Number:
28728-55-4
Molecular Weight:
374.20
Molecular Formula:
C13H30Br2N2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

Polybrene® is a cationic polymer used to increase the efficiency of infection of certain cells with a retrovirus in cell culture. Polybrene® acts by neutralizing the charge repulsion between the virons and cell surface. It has other uses, including as a peptide carrier for protein sequencing.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences


Polybrene,[object Object], (CAS 28728-55-4) References

  1. Protein and peptide separations on high surface area capillaries.  |  Pesek, JJ., et al. 1999. Electrophoresis. 20: 2343-8. PMID: 10499324
  2. Compatibility testing without a centrifuge: the slide Polybrene method.  |  Lin, M. 2004. Transfusion. 44: 410-3. PMID: 14996200
  3. Method for microfluidic whole-chip temperature measurement using thin-film poly(dimethylsiloxane)/rhodamine B.  |  Samy, R., et al. 2008. Anal Chem. 80: 369-75. PMID: 18081260
  4. Conversion of restrictive mouse cells to permissiveness during sequential and mixed double infection by murine leukemia viruses.  |  Niwa, O., et al. 1976. Virology. 74: 140-53. PMID: 185786
  5. Coagulant and noncoagulant thrombin enzymatic activity on the endothelium.  |  Frebelius, S., et al. 1990. Blood Coagul Fibrinolysis. 1: 285-92. PMID: 2103313
  6. Generation and hepatic differentiation of human iPS cells.  |  Ishikawa, T., et al. 2012. Methods Mol Biol. 826: 103-14. PMID: 22167643
  7. Generation of Stable Expression Mammalian Cell Lines Using Lentivirus.  |  Tandon, N., et al. 2018. Bio Protoc. 8: PMID: 30505888
  8. Transfection of myeloid cell lines using polybrene/DMSO.  |  Chisholm, O. and Symonds, G. 1988. Nucleic Acids Res. 16: 2352. PMID: 3357794
  9. 2-Mercaptoethanol (2-ME)-based IATs or Polybrene method mitigates the interference of daratumumab on blood compatibility tests.  |  Zhou, Y., et al. 2021. Hematology. 26: 365-370. PMID: 33971806
  10. Consumption of heparin cofactor II (dermatan sulfate cofactor) and antithrombin during coagulation.  |  Andersson, TR. 1987. Thromb Res. 46: 355-62. PMID: 3603428
  11. GAGs-potentiated inhibition of thrombin, factor Xa and plasmin in plasma and in a purified system containing antithrombin III - correlation with total charge density.  |  Cofrancesco, E., et al. 1981. Thromb Haemost. 46: 749-51. PMID: 6460339
  12. Measurement of antithrombin III in normal and pathologic states using chromogenic substrate S-2238. Comparison with immunoelectrophoretic and factor Xa inhibition assays.  |  Goodnight, SH., et al. 1980. Am J Clin Pathol. 73: 639-47. PMID: 7377131
  13. Strategy for developing microbeads applicable to islet xenotransplantation into a spontaneous diabetic NOD mouse.  |  Iwata, H., et al. 1994. J Biomed Mater Res. 28: 1201-7. PMID: 7829549
  14. Histological analysis of microencapsulated dopamine-secreting cells in agarose/poly(styrene sulfonic acid) mixed gel xenotransplanted into the brain.  |  Miyoshi, Y., et al. 1996. Exp Neurol. 138: 169-75. PMID: 8593892
  15. A newly developed three-layer agarose microcapsule for a promising biohybrid artificial pancreas: rat to mouse xenotransplantation.  |  Tun, T., et al. 1996. Cell Transplant. 5: S59-63. PMID: 8889234

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Polybrene®

sc-134220
1 ml
$26.00

Polybrene®

sc-134220A
50 ml
$260.00

What is the expiration date of this reagent?

Asked by: Cindy
Thank you for your question. It depends on the lot # that you received.
Answered by: Technical Service SH
Date published: 2023-09-25

How does polybrene respond to freeze-thaw cycles?

Asked by: Dizz
Thank you for your question. It would be helpful if you could call us, allowing for a more interactive discussion of this and other related questions.
Answered by: Technical Support
Date published: 2024-03-08

Hello, I would like to know how long this product could be stable at -20C. I have 2 tubes of this product (lot #K1116, C0317), could you tell me when they were produced? Thanks, Carmen Gagnon

Asked by: Carmen G
We do not have data on the stability and long term storage for Polybrene® at -20C. We do warranty the product for one year from the date of shipment. If it was purchased more than one year ago, to be safe we would recommend purchasing a new lot.
Answered by: Technical Support
Date published: 2022-05-10

Is the material sterile and which are the method of sterilization?

Asked by: Anaaa
Thank you for your question. Yes, Polybrene ®: sc-134220, is provided as 10mg/ml in 1 ml sterile water. The product is prepared with MQ water, filtered via 0.22 um membrane, and vialed under sterile conditions in a hood. Please contact our Technical Service Department if you have further questions.
Answered by: Technical Support
Date published: 2022-05-11

Can I have an MSDS to Polybrene sc-134220?

Asked by: mazdog
Thank you for your question. The Material Safety Data Sheet for our Polybrene®: sc-134220 is available on our website using the "Datasheets" link. The link below will open the PDF. https://datasheets.scbt.com/sc-134220.pdf
Answered by: Technical Support
Date published: 2017-07-21

Is the product sterile?

Asked by: chemicalsmg
Thank you for your question. Polybrene ®, sc-134220, is a sterile product.
Answered by: TechService7
Date published: 2023-01-31
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Rated 5 out of 5 by from Very goodI brought this 2 months back and this is a good reagent.. will recommend this to others
Date published: 2024-09-17
Rated 5 out of 5 by from PolybrenePolybrene (5ug/ml) used to treat the hLECs before infecting with lentiviral particles.
Date published: 2023-06-30
Rated 4 out of 5 by from It does the jobHelps for shRNA silencing procedure and very low cellular toxicity.
Date published: 2022-11-22
Rated 4 out of 5 by from good for Lenti transfectionWorks great for Lentitransfection of different cells and Organoids.
Date published: 2022-06-21
Rated 5 out of 5 by from TRES PRO!Tout s'est très bien passé, le produit est à la hauteur de la demande.
Date published: 2022-06-07
Rated 5 out of 5 by from Great choiceI bought this product two weeks ago. It's a good choice. The experiment is going well. I will continue to support it!
Date published: 2021-10-08
Rated 5 out of 5 by from good reagentgreat reagent for lenti-viral infection. it's convenient.
Date published: 2020-12-01
Rated 5 out of 5 by from recommend for labUsed in sirRNA tracfection,got expected result,very reliable quality.
Date published: 2018-01-27
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Polybrene ® is rated 4.9 out of 5 by 25.
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