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Title

Click Crosslinked Chitosan/Gold Nanocomposite Hydrogels

AuthorsGarcía-Astrain, Clara; Hernández, Rebeca ; Guaresti, Olatz; Fruk, Ljiljana; Mijangos, Carmen ; Eceiza, Arantxa; Gabilondo, Nagore
KeywordsChitosan modifications
Click chemistry
Diels–Alder polymers
Hydrogels
Bionanocomposites
Issue Date2016
PublisherWiley-VCH
CitationMacromolecular Materials and Engineering 301: 1295-1300 (2016)
AbstractPreparation of novel nanocomposite hydrogels opens up new avenues to next generation of biocompatible materials to be used in bioengineering and drug delivery. Toward this goal, chitosan nanocomposite hydrogels using click chemistry inspired cross-linking are prepared. To enable this, Diels–Alder reaction of furan-containing chitosan and maleimide-coated gold nanoparticles is employed. The viscoelastic properties of the obtained nanocomposites as well as the effect of the nanoparticles as cross-linkers are studied, indicating that they play significant role in hydrogel formation and stability. Nanoparticle-enriched hydrogels are also found to demonstrate pH-sensitivity therefore showing their potential for future biosensing applications. (Figure presented.).
Publisher version (URL)http://dx.doi.org/10.1002/mame.201600247
URIhttp://hdl.handle.net/10261/153796
DOI10.1002/mame.201600247
Identifiersdoi: 10.1002/mame.201600247
issn: 1438-7492
e-issn: 1439-2054
Appears in Collections:(ICTP) Artículos
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