University of Groningen, University Medical Center Groningen, Department of Biomedical Engineering-FB40, A. Deusinglaan 1, Groningen, 9713 AV, The Netherlands.
Macromol Rapid Commun. 2022 Aug;43(15):e2100766. doi: 10.1002/marc.202100766. Epub 2022 May 1.
Designing new dynamic matrices in combination with a highly diverse material formation approach as Pickering emulsions provides the tools to engineer innovative dynamic porous microstructures in a highly controllable fashion. Here, nanogels (nGels) are used, which exhibit dynamic covalent cross-linking capabilities, as surface stabilizing agents in view of their highly controllable physiochemical properties. The method provides the successful formation of dynamic covalent cross-linked hydrogel microstructures based on ketone and amine-functionalized nGels using Pickering emulsions. In this system, a pH-triggerable responsive behavior is incorporated. The physiochemical properties of the resulting microstructure can be further tailored by modifying the intramolecular interactions at the interface, making these systems interesting for a wide range of applications.
设计新的动态基质并结合高度多样化的材料形成方法,如 Pickering 乳液,为工程创新的动态多孔微结构提供了高度可控的工具。在这里,纳米凝胶(nGels)被用作表面稳定剂,因为它们具有高度可控的物理化学性质,具有动态共价交联能力。该方法成功地使用 Pickering 乳液形成了基于酮和胺功能化 nGels 的动态共价交联水凝胶微结构。在这个系统中,引入了 pH 触发的响应行为。通过改变界面处的分子内相互作用,可以进一步调整所得微结构的物理化学性质,使这些系统在广泛的应用中具有吸引力。
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