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With polymer photoclicks to fluorescent microspheres

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Abstract

We demonstrate that fluorescent, narrow-disperse microspheres are rapidly and readily prepared by photo-clicking pre-functionalised polymers using the highly efficient nitrile-imine mediated tetrazole-ene cycloaddition (NITEC) reaction. Our approach requires no stabilisers, bases or initiators, and proceeds under mild UV irradiation at ambient temperature. The diameter of the microspheres can be tuned in the 0.25–0.75 μm range depending on the reaction conditions, including polymer concentration, polymer ratio and the solvent composition. Critically, we explore the application potential of the microspheres, including fluorescence, degradation and swellability for encapsulation.

Graphical abstract: With polymer photoclicks to fluorescent microspheres

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Publication details

The article was received on 03 Sep 2018, accepted on 26 Oct 2018 and first published on 31 Oct 2018


Article type: Communication
DOI: 10.1039/C8MH01078A
Citation: Mater. Horiz., 2019, Advance Article
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    With polymer photoclicks to fluorescent microspheres

    J. P. Hooker, L. Delafresnaye, L. Barner and C. Barner-Kowollik, Mater. Horiz., 2019, Advance Article , DOI: 10.1039/C8MH01078A

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