Macroporous Beads Modification with Polyethyleneimines of Different Molecular Weight as Poly-Cationic Ligands

NATALIA P. GONZÁLEZ; MIRIAM C. STRUMIA; CECILIA I. ALVAREZ IGARZABAL*

JOHN WILEY & SONS INC

Año: 2010 vol. 116 p. 2857 - 2857

span lang="en" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman","serif"; mso-fareast-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ES; mso-bidi-language: AR-SA"> Polyethylenimines of different molecular weight (PEIs) (Mn 60000; 1200 and 423) were coupled onto macroporous beads. These rigid and spherical beads were prepared by crosslinking of 2-hydroxyethyl methacrylate (HEMA) and ethylene glycol dimethacrylate (EGDMA). The PEI attachment was carried out through epoxy groups yielded in a previous activation step with epichlorohydrin (Ech) on matrix hydroxyl groups.