Thermal-responsive heterogeneous organohydrogels with on-demand oil-release capabilities

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2025-04-18 DOI:10.1016/j.colsurfa.2025.136982

Yihui Lv , Qi Shi , Xiaocao Yan , Yudong Cai , Yunxuan Weng , Hainan Gao

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引用次数: 0

Abstract

The responsive secreting function of artificial materials plays an important role in wettability, self-regulation, self-lubrication, antifouling, and controlled loading and release. Drawing inspiration from the secretory tissues in plant bodies, here we present a facile strategy to prepare a stimuli-responsive organohydrogel with water-driven and thermally-driven oil-release functions, and the responsive wettability is achieved. In essence, the stimuli-responsive secretory function is inextricably linked to the infiltration and exfiltration behavior of different dispersion media between heterogeneous networks. The responsive deswelling of the dispersion medium can be induced by certain environmental factors, including changing the dispersion medium or environmental temperature, which further enables unique on-demand water-driven and thermally-driven oil-release properties. It is anticipated that such smart, self-secreting organohydrogel materials, featured with controllable liquid loading and releasing properties, have great potential in a variety of fields, such as drug delivery systems, self-lubrication and antifouling surfaces, and controlled embedding and release of bioactive molecules.

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具有按需释油能力的热响应型非均相有机水凝胶

人工材料的响应性分泌功能在润湿性、自我调节、自润滑、防污、控制加载和释放等方面发挥着重要作用。受植物体内分泌组织的启发，我们提出了一种简单的策略来制备具有水驱动和热驱动油释放功能的刺激响应型有机水凝胶，并实现了响应性润湿性。从本质上讲，刺激反应性分泌功能与异质网络中不同分散介质的浸润和渗漏行为有着千丝万条的联系。分散介质的响应性溶胀可以由某些环境因素引起，包括改变分散介质或环境温度，这进一步实现了独特的按需水驱和热驱释油特性。可以预见，这种智能、自分泌的有机水凝胶材料具有可控的液体负载和释放特性，在药物递送系统、自润滑和防污表面、生物活性分子的可控包埋和释放等领域具有巨大的潜力。

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.