Journal
MACROMOLECULAR BIOSCIENCE
Volume 11, Issue 2, Pages 199-210Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.201000324
Keywords
atom-transfer radical polymerization (ATRP); glycopolymer; gold nanoparticles; lectin recognition; spherical brushes
Funding
- European Science Foundation
- Department of Science and Technology (New Delhi, INDIA)
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The synthesis and characterization of spherical sugar-containing polymer brushes consisting of PS cores onto which chains of sugar-containing polymers have been grafted via two different techniques are described. Photopolymerization in aqueous dispersion using the functional monomer MAGlc and crosslinked or non-crosslinked PS particles covered with a thin layer of photo-initiator yielded homogeneous glycopolymer brushes attached to spherical PS cores. As an alternative, ATRP was used to graft poly-(N-acetylglucosamine) arms from crosslinked PS cores. Deprotection of the grafted brushes led to water-soluble particles that act as carriers for catalytically active gold nanoparticles. These glycopolymer chains show a high affinity to adsorb WGA whereas no binding to BSA or PNA could be detected.
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