Poly-L-ornithine hydrobromide

mol wt 30,000-70,000

CAS Number:
MDL number:



Quality Level

mol wt



cell culture | mammalian: suitable


white to off-white

storage temp.


Looking for similar products? Visit Product Comparison Guide

Related Categories


Poly-L-ornithine hydrobromide has been used to coat coverslips in culture vessels for culturing neural progenitor cells. It has also been used to coat culture plates for culturing cerebral cells of mice.


10, 50, 100, 500 mg in poly bottle
1 g in poly bottle

Biochem/physiol Actions

Poly-L-ornithine is a specialized coating that acts as a charge modifier. It is a polycationic synthetic amino acid polymer. It boosts nasal absorption of hydrophilic macromolecular drugs.

Analysis Note

Molecular weight based on viscosity. Also assayed by MALLS.

Other Notes

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.


11 - Combustible Solids

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Preparation and Evaluation of PEGylated Poly-L-ornithine Complex as a Novel Absorption Enhancer
Yusuke Kamiya
Biologicals : Journal of the International Association of Biological Standardization (2017)
Isolation, characterization, and differentiation of multipotent neural
progenitor cells from human cerebrospinal fluid in fetal
cystic myelomeningocele
Mario Marotta
Stem Cell Research (2017)
FGF2 and Insulin Signaling Converge to Regulate Cyclin D Expression in Multipotent Neural Stem Cells
Adedamola Adepoju
Stem Cell Research (2013)
Elena Maria Boggio et al.
Molecular neurobiology, 56(9), 5987-5997 (2019-02-02)
Perineuronal nets (PNNs) are condensed structures in the extracellular matrix that mainly surround GABA-ergic parvalbumin-positive interneurons in the adult brain. Previous studies revealed a parallel between PNN formation and the closure of the critical period. Moreover, ocular dominance plasticity is...
A R Boccaccini et al.
Journal of the Royal Society, Interface, 7 Suppl 5, S581-S613 (2010-05-28)
Electrophoretic deposition (EPD) is attracting increasing attention as an effective technique for the processing of biomaterials, specifically bioactive coatings and biomedical nanostructures. The well-known advantages of EPD for the production of a wide range of microstructures and nanostructures as well...
Humankind has utilized protein materials throughout its existence, starting with the use of materials such as wool and silk for warmth and protection from the elements and continuing with the use of recombinant DNA techniques to synthesize proteins with unique and useful properties.
Read More

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service