Competing host-guest interactions to explore the alkyl anion transport in photo-responsive, space-confined hydrogels

IF 7.9 2区综合性期刊 Q1 CHEMISTRY, MULTIDISCIPLINARY

Cell Reports Physical Science Pub Date : 2024-08-26 DOI:10.1016/j.xcrp.2024.102174

Bi-Ying Liu, Yongchao Qian, Min Zhou, Xiao-Yan Jin, Mei-Juan Jia, Di Quan, Xiang-Yu Kong, Liping Wen, Lei Jiang

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Abstract

Photo-responsive hydrogel systems have attracted significant attention for their controllability, intelligent responsiveness, and reversibility. This study delves into the effect of tunable space-confined networks on anion transport in photo-responsive hydrogels. Employing azobenzene (Azo) and β-cyclodextrin (β-CD), the hydrogel was loaded into anodic aluminum oxide (AAO) to form the AAO-hydrogel membrane. Sodium dodecyl sulfonate (SDS) is chosen to investigate mass transmembrane transport. In low-degree space-confined aluminum oxide-hydrogel membrane (LSAHM), a looser structure was formed due to the breakup of the connection between Azo and β-CD with ultraviolet (UV)-light irradiation. With visible-light (vis-light) irradiation, the SDS is replaced with trans-Azo due to the more stable trans-Azo@β-CD complex, resulting in narrow channels. For high-degree space-confined AHM (HSAHM), the interaction between SDS and β-CD could be omitted due to space confinement. Also, controllable SDS-assisted cationic peptide transport is achieved with HSAHM. This work provides a comprehensive analysis of hydrogel structure variations, offering nuanced approaches to hydrogel design.

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通过主客体间的竞争性相互作用探索光响应式空间封闭水凝胶中的烷基阴离子传输问题

光响应水凝胶系统因其可控性、智能响应性和可逆性而备受关注。本研究探讨了可调空间封闭网络对光响应水凝胶中阴离子传输的影响。利用偶氮苯（Azo）和β-环糊精（β-CD），将水凝胶负载到阳极氧化铝（AAO）中，形成 AAO-水凝胶膜。选择十二烷基磺酸钠（SDS）来研究质量跨膜传输。在低度空间封闭的氧化铝-水凝胶膜（LSAHM）中，由于紫外线（UV）照射导致偶氮和β-CD之间的连接断裂，从而形成了较松散的结构。在可见光（vis-light）照射下，由于反式偶氮@β-CD 复合物更为稳定，SDS 被反式偶氮取代，从而形成狭窄的通道。对于高度空间封闭的 AHM（HSAHM），由于空间封闭，SDS 和 β-CD 之间的相互作用可以省略。此外，HSAHM 还实现了可控的 SDS 辅助阳离子肽传输。这项研究全面分析了水凝胶结构的变化，为水凝胶设计提供了细致入微的方法。

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来源期刊

Cell Reports Physical Science Energy-Energy (all)

CiteScore

11.40

自引率

2.20%

发文量

388

审稿时长

62 days

期刊介绍： Cell Reports Physical Science, a premium open-access journal from Cell Press, features high-quality, cutting-edge research spanning the physical sciences. It serves as an open forum fostering collaboration among physical scientists while championing open science principles. Published works must signify significant advancements in fundamental insight or technological applications within fields such as chemistry, physics, materials science, energy science, engineering, and related interdisciplinary studies. In addition to longer articles, the journal considers impactful short-form reports and short reviews covering recent literature in emerging fields. Continually adapting to the evolving open science landscape, the journal reviews its policies to align with community consensus and best practices.