Journal
ACTA BIOMATERIALIA
Volume 4, Issue 6, Pages 2052-2058Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.actbio.2008.05.022
Keywords
Copper nanoparticles; Cupric oxide; pHEMA; Hybrid; Surface charge
Funding
- National Science Council of the Republic of China, Taiwan [NSC96-2113-M-009-027-MY2]
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A hybrid consisting of a highly ordered nanostructure of metallic Cu(0) nanoparticles embedded in a poly(2-hydroxyethyl methacrylate) (pHEMA) matrix was successfully synthesized by in situ photopolymerization, followed by in situ chemical reduction. The evolution of an ordered nanostructure of Cu(0) showing a nearly amorphous nature is discussed, and it is proposed that it is due to a coupling interaction between the Cu precursor and the unpaired O of the COOR group, associated with water molecules, among pHEMA molecules. The hybrids showed a negative surface charge and considerable improvement in blood compatibility compared to neat pHEMA and the widely used biomaterial polysulfonate. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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