Photodegradable and size-tunable single-chain nanoparticles prepared from a single main-chain coumarin-containing polymer precursor

A polyester bearing coumarin moieties in the main chain was used to prepare photodegradable single-chain nanoparticles (SCNPs) of variable sizes. While the intra-chain photodimerization of the chromophore determines the size of SCNPs, the photocleavage occurring under UV irradiation at a different w...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-11, Vol.50 (88), p.13492-13494
Main Authors: Fan, Weizheng, Tong, Xia, Yan, Qiang, Fu, Shangyi, Zhao, Yue
Format: Article
Language:English
Subjects:
Bearing
Breaking down
Carbodiimides - chemistry
Catalysis
Chains (polymeric)
Chromophores
Coumarin
Coumarins - chemistry
Nanoparticles
Nanoparticles - chemistry
Photolysis
Polyesters - chemistry
Polymers - chemistry
Precursors
Propylene Glycols - chemistry
Thiones - chemistry
Ultraviolet Rays
Wavelengths
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Summary:A polyester bearing coumarin moieties in the main chain was used to prepare photodegradable single-chain nanoparticles (SCNPs) of variable sizes. While the intra-chain photodimerization of the chromophore determines the size of SCNPs, the photocleavage occurring under UV irradiation at a different wavelength breaks down the ultra-small nanoparticles.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc06629d