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Using Hydrogels to Accommodate Hydrophobic Nanoparticles in Aqueous Media via Solvent Exchange
Author(s) -
Bai Shuo,
Nguyen TichLam,
Mulvaney Paul,
Wang Dayang
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201000336
Subject(s) - materials science , nanoparticle , self healing hydrogels , aqueous solution , chemical engineering , solvent , coating , composite number , hydrophobic effect , nanotechnology , polymer chemistry , composite material , organic chemistry , chemistry , engineering
The solvent exchange of hydrogel particles allows direct loading of hydrophobic inorganic nanoparticles into the gel particles without modification of the particles surfaces and the hydrogel networks. The hydrophobic coating of the loaded nanoparticles is well retained, leading to an excellent chemical stability in water. Simultaneous or stepwise loading of different nanoparticles leads to multifunctional inorganic/organic composite particles.