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Hydrogels Based on Dynamic Covalent and Non Covalent Bonds: A Chemistry Perspective

机译:基于动态共价键和非共价键的水凝胶:化学视角

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摘要

Hydrogels based on reversible covalent bonds represent an attractive topic for research at both academic and industrial level. While the concept of reversible covalent bonds dates back a few decades, novel developments continue to appear in the general research area of gels and especially hydrogels. The reversible character of the bonds, when translated at the general level of the polymeric network, allows reversible interaction with substrates as well as responsiveness to variety of external stimuli (e.g., self-healing). These represent crucial characteristics in applications such as drug delivery and, more generally, in the biomedical world. Furthermore, the several possible choices that can be made in terms of reversible interactions generate an almost endless number of possibilities in terms of final product structure and properties. In the present work, we aim at reviewing the latest developments in this field (i.e., the last five years) by focusing on the chemistry of the systems at hand. As such, this should allow molecular designers to develop a toolbox for the synthesis of new systems with tailored properties for a given application.
机译:基于可逆共价键的水凝胶是学术和工业领域研究的一个有吸引力的话题。尽管可逆共价键的概念可以追溯到几十年前,但在凝胶特别是水凝胶的一般研究领域中仍不断出现新的发展。当在聚合物网络的一般水平上翻译时,键的可逆特性允许与底物的可逆相互作用以及对各种外部刺激的响应性(例如,自我修复)。这些代表了在诸如药物输送等应用中的更重要的特征,并且更普遍地,在生物医学领域中。此外,就可逆相互作用而言,可以做出的几种可能选择就最终产品的结构和性能而言产生了几乎无限的可能性。在当前的工作中,我们旨在通过关注手边系统的化学特性来回顾该领域的最新发展(即最近五年)。因此,这应允许分子设计人员开发工具箱,以针对给定应用合成具有定制特性的新系统。

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