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Updated: Apr 7, 2026

Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
Published on: July 4, 2017
Photo, pH, and thermo triple-responsive spiropyran-based copolymer nanoparticles for controlled release
Shuo Chen1, Fengjuan Jiang, Ziquan Cao
1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China. guojie.wang@mater.ustb.edu.cn.
Abstract:
A spiropyran-based amphiphilic random copolymer was synthesized and self-assembled into photo-, pH-, and thermo-responsive micellar nanoparticles. The triple-stimuli triggered morphological changes of the nanoparticles were revealed by TEM and DLS. Highly efficient controlled release of encapsulated molecules, coumarin 102, from the nanoparticles under stimulation of UV light, acid and the combined stimuli could be realized.
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