Description_x000D_ Application_x000D_ 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._x000D_ Packaging_x000D_ 1 g in poly bottle_x000D_ 10, 50, 100, 500 mg in poly bottle_x000D_ Biochem/physiol Actions_x000D_ 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._x000D_ Analysis Note_x000D_ Molecular weight based on viscosity. Also assayed by MALLS._x000D_ Other Notes_x000D_ For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.