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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 8/2016

01.08.2016 | Original Contribution

A novel method to in situ synthesis of magnetic poly(N-isopropylacrylamide-co-acrylic acid) nanogels

verfasst von: Tianze Ma, Xueting Li, Di Zhao, Gao Qiu, Xiaodi Shi, Xihua Lu

Erschienen in: Colloid and Polymer Science | Ausgabe 8/2016

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Abstract

The monodisperse and magnetic Fe3O4/poly(N-isopropylacrylamide-co-acrylic acid) nanogels (Fe3O4/P(NIPAM-co-AA)) have been synthesized successfully by in situ oxidation. Firstly, N-isopropylacrylamide (NIPAM) and acrylic acid (AA) were used as monomers to synthesize P(NIPAM-co-AA) nanogels by emulsion precipitation polymerization in aqueous solution, followed by in situ oxidation of Fe2+ into Fe3O4 nanocrystals inside the network of the P(NIPAM-co-AA) nanogels. The resulting magnetic nanogels had a very good superparamagnetic property measured with vibrating sample magnetometer (VSM) with magnetization value of 2.7 emu g−1 and sensitive T 2-weighted in vitro magnetic resonance imaging (MRI) with r 2 relaxivity of approximately 439.23 mM−1 s−1. This work would provide the possibility of using the novel Fe3O4/P(NIPAM-co-AA) nanogels as MRI contrast agent.
Nächster Artikel Self-catalytic synthesis of soluble polythiophene/tellurium nanocomposite and its nonlinear optical property

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Metadaten
Titel
A novel method to in situ synthesis of magnetic poly(N-isopropylacrylamide-co-acrylic acid) nanogels
verfasst von
Tianze Ma
Xueting Li
Di Zhao
Gao Qiu
Xiaodi Shi
Xihua Lu
Publikationsdatum
01.08.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 8/2016
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-016-3880-0

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