نتایج جستجو برای: polyethylenimine
تعداد نتایج: 1240 فیلتر نتایج به سال:
INTRODUCTION As a result of heavy metal ion release from industrial wastewater, water pollution has become a serious problem. Waste streams contain solutions of metal ions, such as copper, nickel, cobalt and lead. Many reviews have discussed the removal of metal ions from aqueous solutions using approaches based upon adsorption, precipitation, solvent extraction and polymeric membranes. Recentl...
Ternary composite nanomaterials based on deferoxamine-coated superparamagnetic iron oxide nanoparticles (8-10 nm), circular plasmid DNA (~4 kb) with fluorescent/luminescent reporter group, and branched polyethylenimine (25 kDa, PDI = 2.5) were prepared and compared in terms of their efficiencies in transfecting brain tumor cells at low concentration.
Objective(s): Polyethylenimine (PEI) is one of the most widely used polymers in gene delivery. The aim of this study was to modify PEI by replacing some of its primary amines with Brevinin 2R (BR-2R) peptide in order to increase the efficiency of gene delivery.Materials and Methods: Polyethylenimine was modified by BR-2R peptide by two d...
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