Tailoring nanoarchitectonics to control the release profile of payloads

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Abstract

We demonstrate here that the control over the release rate of payloads and on the selectivity of the release can be achieved by designing nanomaterials with a hierarchical structure. Redox-responsive silica nanocapsules are first synthesized to allow for an accelerated release of the corrosion inhibitor 2-mercaptobenzothiazole as a payload upon chemical reduction and retarded release upon oxidation. In a second step, we embedded the nanocapsules into nanofibers by colloid-electrospinning, yielding a hierarchical composite structure. Remarkably, the encapsulation of the nanocapsules in the fibers provides two decisive advantages that are a higher selectivity of the release and a higher control over the release rate of payloads.

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Jiang, S., Lv, L., Li, Q., Wang, J., Landfester, K., & Crespy, D. (2016). Tailoring nanoarchitectonics to control the release profile of payloads. Nanoscale, 8(22), 11511–11517. https://doi.org/10.1039/c6nr00917d

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