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Stimuli-Responsive Nanocomposite Hydrogels for Biomedical Applications

机译：生物医学应用刺激响应纳米复合水凝胶

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摘要

The complex tissue-specific physiology that is orchestrated from the nano- to the macroscale, in conjugation with the dynamic biophysical/biochemical stimuli underlying biological processes, has inspired the design of sophisticated hydrogels and nanoparticle systems exhibiting stimuli-responsive features. Recently, hydrogels and nanoparticles have been combined in advanced nanocomposite hybrid platforms expanding their range of biomedical applications. The ease and flexibility of attaining modular nanocomposite hydrogel constructs by selecting different classes of nanomaterials/hydrogels, or tuning nanoparticle-hydrogel physicochemical interactions widely expands the range of attainable properties to levels beyond those of traditional platforms. This review showcases the intrinsic ability of hybrid constructs to react to external or internal/physiological stimuli in the scope of developing sophisticated and intelligent systems with application-oriented features. Moreover, nanoparticle-hydrogel platforms are overviewed in the context of encoding stimuli-responsive cascades that recapitulate signaling interplays present in native biosystems. Collectively, recent breakthroughs in the design of stimuli-responsive nanocomposite hydrogels improve their potential for operating as advanced systems in different biomedical applications that benefit from tailored single or multi-responsiveness.
机译：从纳米到宏观核制的复杂组织特异性生理学，与动态生物物理/生化刺激潜在的生物过程共轭，启发了表现出刺激响应特征的复杂水凝胶和纳米粒子系统的设计。最近，水凝胶和纳米颗粒已在先进的纳米复合杂交平台中组合，扩大其生物医学应用范围。通过选择不同类别的纳米材料/水凝胶，或调整纳米颗粒 - 水凝胶物理化学相互作用来达到模块化纳米复合水凝胶构建体的缓解和灵活性广泛地扩展了可达到的特性范围，以至于传统平台的水平。该综述展示了混合构建体的内在能力，在具有面向应用的特征的开发复杂和智能系统的范围内对外部或内部/生理刺激作出反应的内在能力。此外，在编码刺激响应级联的上下文中概述了纳米粒子 - 水凝胶平台，其概括了生物系统中存在的信号相互作用。集体，近期刺激型纳米复合材料设计中的突破改善了它们在不同生物医学应用中作为先进系统操作的潜力，这些应用中受益于量身定制的单一或多响应性。

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