Clément Monteil, Nathalie Bar, Bernard Moreau, Richard Retoux, Agnès Bee, Delphine Talbot and Didier Villemin Phosphonated Polyethylenimine-Coated Nanoparticles: Size- and Zeta-Potential-Adjustable Nanomaterials Particle & Particle Systems Characterization 31
Partially phosphonated polyethylenimines are promising polymers for nanoparticle (NP) surface modification. A number of phosphonate and amino groups are easily controlled and permit to access to the functionalized NPs with a large range of zeta potential and diameter. The strong anchoring on metal oxide NPs is assumed by phosphonates. Numerous amine functions preserve dispersion and are the key to a subsequent biofunctionalization.
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