Poly(acrylic acid)-graft-poly(N-vinylcaprolactam): a novel pH and thermo dual-stimuli responsive system

文献情報

出版日 2013-04-23

DOI 10.1039/C3PY00415E

インパクトファクター 5.582

著者

Xiuyu Jiang, Guolin Lu, Chun Feng, Yongjun Li, Xiaoyu Huang

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要旨

Stimuli-responsive polymers have undoubtedly been of great interest in the past few decades due to a variety of potential applications in biomedical territory. Herein, we report a novel dual-stimuli responsive double hydrophilic graft copolymer system, poly(acrylic acid)-g-poly(N-vinylcaprolactam) (PAA-g-PNVCL), which could respond to changes in pH and temperature simultaneously. In our design, poly(acrylic acid) (PAA) was selected as a pH-sensitive moiety, whereas poly(N-vinylcaprolactam) (PNVCL) could be regarded as a thermo-sensitive one. The responsiveness of PAA-g-PNVCL to pH and temperature by itself was demonstrated in detail primarily: dynamic light scattering (DLS), fluorescence spectroscopy, and transmission electron microscopy (TEM) were employed to examine its pH-induced micellization behavior; 1H NMR, DLS, and TEM were employed to examine its thermo-induced micellization behavior. Finally, its responsiveness to the combination of both stimuli was studied by UV-vis test.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Poly(acrylic acid)-graft-poly(N-vinylcaprolactam): a novel pH and thermo dual-stimuli responsive system

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