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磁性氧化铁纳米粒子在热响应性海藻酸钠-聚（N-异丙基丙烯酰胺）半互穿聚合物网络中的原位合成。

In situ Synthesis of Magnetic Iron Oxide Nanoparticles in Thermally Responsive Alginate-Poly(N-isopropylacrylamide) Semi-Interpenetrating Polymer Networks.

作者信息

Hernández Rebeca, Mijangos Carmen

机构信息

Instituto de Ciencia y Tecnología de Polímeros, CSIC, Juan de la Cierva, 3, 28006 Madrid, Spain.

出版信息

Macromol Rapid Commun. 2009 Feb 2;30(3):176-81. doi: 10.1002/marc.200800602. Epub 2008 Dec 23.

DOI:10.1002/marc.200800602
PMID:21706595
Abstract

A novel semi-interpenetrating polymer network based on alginate and poly(N-isopropylacrylamide) (PNiPAAm) has been synthesized that shows response to temperature and magnetic fields. Highly homogeneous porous hydrogels are obtained by copolymerizing N-isopropylacrylamide and bis-acrylamide in the presence of an aqueous alginate solution. The synthesis of magnetic iron oxides by in-situ oxidation of iron cations coordinated to the alginate network results in a hydrogel with an enhanced deswelling rate with respect to pure PNiPAAm.

摘要

一种基于藻酸盐和聚（N-异丙基丙烯酰胺）（PNiPAAm）的新型半互穿聚合物网络已被合成，它对温度和磁场有响应。通过在藻酸盐水溶液存在下使N-异丙基丙烯酰胺和双丙烯酰胺共聚，可获得高度均匀的多孔水凝胶。通过对与藻酸盐网络配位的铁阳离子进行原位氧化来合成磁性氧化铁，得到一种相对于纯PNiPAAm具有更高去溶胀速率的水凝胶。

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In situ Synthesis of Magnetic Iron Oxide Nanoparticles in Thermally Responsive Alginate-Poly(N-isopropylacrylamide) Semi-Interpenetrating Polymer Networks.磁性氧化铁纳米粒子在热响应性海藻酸钠-聚（N-异丙基丙烯酰胺）半互穿聚合物网络中的原位合成。
Macromol Rapid Commun. 2009 Feb 2;30(3):176-81. doi: 10.1002/marc.200800602. Epub 2008 Dec 23.
2
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Thermal responsive hydrogels based on semi interpenetrating network of poly(NIPAm) and cellulose nanowhiskers.基于聚（NIPAm）和纤维素纳米纤维半互穿网络的温敏水凝胶。
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Temperature-sensitive polyamidoamine dendrimer/poly(N-isopropylacrylamide) hydrogels with improved responsive properties.具有改善响应性能的温度敏感型聚酰胺胺树枝状大分子/聚（N-异丙基丙烯酰胺）水凝胶
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