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Issue 31, 2018
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Controlled formation of chitosan particles by a clock reaction

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Abstract

Clock reactions allow precise control of chemical composition in the time domain. Such nonlinear chemical systems have recently been introduced to mimic the self-assembly pathways common in living organisms. Here, we demonstrate the use of a clock reaction to trigger the formation of polymeric nanoparticles. By adjusting the delay of a formaldehyde clock reaction, we controlled the precipitation of chitosan to form particles with sizes tunable in a wide range (from about 200 to 600 nm diameter). The chemical structure of chitosan was not significantly perturbed by the clock reagents.

Graphical abstract: Controlled formation of chitosan particles by a clock reaction

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Publication details

The article was received on 23 May 2018, accepted on 20 Jul 2018 and first published on 23 Jul 2018


Article type: Communication
DOI: 10.1039/C8SM01060A
Citation: Soft Matter, 2018,14, 6415-6418
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    Controlled formation of chitosan particles by a clock reaction

    G. Panzarasa, A. Osypova, A. Sicher, A. Bruinink and E. R. Dufresne, Soft Matter, 2018, 14, 6415
    DOI: 10.1039/C8SM01060A

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