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- W2890825810 abstract "Abstract The use of an in situ, one‐pot polymerization‐induced self‐assembly method to synthesize light‐responsive pyrene‐containing nanoparticles is reported. The strategy is based on the chain extension of a hydrophilic macromolecular chain transfer agent, poly(oligo(ethylene glycol) methyl ether methacrylate), using a light‐responsive monomer, 1‐pyrenemethyl methacrylate (PyMA), via a reversible addition–fragmentation chain transfer dispersion polymerization; yielding nanoparticles of various morphologies (spherical micelles and worm‐like micelles). In this process, addition of comonomers, such as butyl methacrylate (BuMA) or methyl methacrylate (MMA), are required to obtain high PyMA monomer conversion (>80% in 24 h). The addition of comonomers reduces the π–π stacking of the pyrene moieties, which facilitates the diffusion of monomers in the nanoparticle core. The addition of BuMA (as a comonomer) offers P(PyMA‐ co ‐BuMA) core‐forming chains with high mobility that enables the reorganization of chains and then the evolution of morphology to form vesicles. In contrast, when MMA comonomer is used, kinetically trapped spheres are obtained; this is due to the low mobility of the core‐forming chains inhibiting in situ morphological evolution. Finally, the UV‐light‐induced dissociation of these light‐responsive nanoparticles due to the gradual cleavage of the pyrene moieties and the subsequent hydrophobic‐to‐hydrophilic transitions of the core‐forming blocks is demonstrated." @default.
- W2890825810 created "2018-09-27" @default.
- W2890825810 creator A5000107306 @default.
- W2890825810 creator A5001395511 @default.
- W2890825810 creator A5010526266 @default.
- W2890825810 date "2018-09-03" @default.
- W2890825810 modified "2023-10-12" @default.
- W2890825810 title "Synthesis of Light-Responsive Pyrene-Based Polymer Nanoparticles via Polymerization-Induced Self-Assembly" @default.
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- W2890825810 doi "https://doi.org/10.1002/marc.201800510" @default.
- W2890825810 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30176080" @default.
- W2890825810 hasPublicationYear "2018" @default.
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