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Erschienen in: Journal of Polymer Research 10/2017

01.09.2017 | ORIGINAL PAPER

An antibacterial composite system based on multi-responsive microgels hosting monodisperse gold nanoparticles

verfasst von: Damla Ulker, Cansel Tuncer, Serife B. Sezgin, Yagmur Toptas, Ahmet Cabuk, Vural Bütün

Erschienen in: Journal of Polymer Research | Ausgabe 10/2017

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Abstract

A multi-responsive microgel having response to pH, temperature, and salt concentration was successfully prepared using a water-soluble monomer. Microgels were readily prepared from 2-(N-morpholino)ethyl methacrylate (MEMA) via emulsion polymerization using glycidyl methacrylate as a comonomer cross-linker. The morpholino groups of MEMA residues of microgels were able to give complexation with metal containing anions such as AuCl4 in acidic conditions. The reduction of aurate ions with sodium borohydride led to immobilized-gold nanoparticles (AuNP) in the microgel system. Average particle diameters of AuNPs were determined to be 10 ± 2 nm. The resulting AuNP-microgel system was examined as a nanoreactor for catalyst system and determined to be very effective in the reduction of 4-nitrophenol model reaction in aqueous media. AuNPs-microgel composite system had antibacterial properties against several Gram-positive and Gram-negative bacteria similar to amoxicillin. This P(MEMA-co-GMA) microgel is also very useful for different applications such as a host for metal nanoparticle production, a drug carrier or drug delivery system.

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Metadaten
Titel
An antibacterial composite system based on multi-responsive microgels hosting monodisperse gold nanoparticles
verfasst von
Damla Ulker
Cansel Tuncer
Serife B. Sezgin
Yagmur Toptas
Ahmet Cabuk
Vural Bütün
Publikationsdatum
01.09.2017
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 10/2017
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-017-1336-y

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