Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 15, Pages 7427-7433Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm16313f
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Funding
- Swedish Research Council FORMAS
- European Commission through WATERMIM [226524]
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We report a new strategy toward construction of functional composite materials for fast molecular separation. Molecularly imprinted nanoparticles containing surface-exposed alkyne groups were synthesized by one-pot precipitation polymerization. Magnetic Fe3O4 nanoparticles were first coated with a silica shell, and then modified with terminal azide groups. The two types of clickable nanoparticles were conjugated through a Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction to give composite magnetic particles, which displayed high molecular recognition selectivity and could be easily separated using a simple magnet.
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