Photodimerization as an alternative to photocrosslinking of nanoparticles: proof of concept with amphiphilic linear polyoxazoline bearing coumarin unit

文献情報

出版日 2015-07-03

DOI 10.1039/C5PY00834D

インパクトファクター 5.582

著者

Laetitia Korchia, Cécile Bouilhac, Vincent Lapinte, Jean-Jacques Robin

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要旨

Photosensitive amphiphilic linear polyoxazolines (CoumC11–POxn) bearing alkyl chain decorated by a UV-active coumarin end group have been synthesized by cationic ring-opening polymerization (CROP). Using DLS and DOSY NMR experiments, their self-assemblies in water were compared with those of homologous photo-unreactive amphiphilic polyoxazolines (Cm–POxn). In both cases, spherical nanoparticles with DH-values around 10 nm were observed. The CoumC11–POxn nanoparticles were illuminated upon λ = 300 nm inducing the photo-dimerization of the coumarin units located in the inner compartment of the nanoparticles. Finally, the pros and the cons of the photo-dimerization of linear copolymers related to the photo-crosslinking of graft copolymers were discussed.

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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Photodimerization as an alternative to photocrosslinking of nanoparticles: proof of concept with amphiphilic linear polyoxazoline bearing coumarin unit

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