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Research progress of redox-responsive supramolecular gel
Supramolecular Chemistry ( IF 3.3 ) Pub Date : 2020-11-01 , DOI: 10.1080/10610278.2020.1846738
Wen-Li Guan 1 , Khalid Mohammed Adam 1 , Min Qiu 1 , You-Ming Zhang 2 , Hong Yao 1 , Tai-Bao Wei 1 , Qi Lin 1
Affiliation  

ABSTRACT In recent years, with the development of supramolecular chemistry, stimuli-responsive supramolecular gels have attracted more and more researchers’ interests. Among these gels, redox-responsive supramolecular gels have shown nice application prospects because of their reversible redox-responsiveness and electric field responsiveness. Owing to the existence of redox-reacting site, for example, radical, ferrocene, iron ions, ammonium salt, iodine molecules, π-π system and so on, the redox-responsive gel generally could change the gelator or the self-assembling state under the redox conditions. Therefore, the responsiveness of this kind of gel included phase changes, colour changes, fluorescence response or chiral structure changes induced by a redox reaction. The redox-responsive supramolecular gels, as a kind of smart material, could be used in storing energy, recognition, bioimaging, biomedical, fluorescent sensor, self-erasing ink, drug delivery, chiral catalyst, etc. In this review, we present the research progress of the redox-responsive supramolecular gel in recent years according to the gelator structures including alkyl chain-based redox gels, steroidal derivative-based redox gels, metal-organic compound-based redox gels, amino acid or peptide-based redox gels, macrocycle derivatives-based gels and π-gels. It is anticipated that more and more efficiency redox-responsive supramolecular gels with novel redox mechanisms and useful applications will be developed in the near future. Graphical Abstract

中文翻译:

氧化还原响应超分子凝胶的研究进展

摘要 近年来,随着超分子化学的发展,刺激响应性超分子凝胶吸引了越来越多研究者的兴趣。在这些凝胶中,氧化还原响应性超分子凝胶因其可逆的氧化还原响应性和电场响应性而显示出良好的应用前景。由于氧化还原反应位点的存在,例如自由基、二茂铁、铁离子、铵盐、碘分子、π-π体系等,氧化还原反应凝胶一般可以改变胶凝剂或自组装状态在氧化还原条件下。因此,这种凝胶的响应性包括由氧化还原反应引起的相变、颜色变化、荧光响应或手性结构变化。氧化还原响应超分子凝胶作为一种智能材料,可用于储存能量、识别、生物成像、生物医学、荧光传感器、自擦除墨水、药物输送、手性催化剂等。在这篇综述中,我们根据近年来的氧化还原响应超分子凝胶的研究进展。凝胶结构包括基于烷基链的氧化还原凝胶、基于甾体衍生物的氧化还原凝胶、基于金属有机化合物的氧化还原凝胶、基于氨基酸或肽的氧化还原凝胶、基于大环衍生物的凝胶和π-凝胶。预计在不久的将来,将开发出越来越多的具有新型氧化还原机制和有用应用的高效氧化还原响应超分子凝胶。图形概要 我们根据胶凝剂结构介绍了近年来氧化还原响应超分子凝胶的研究进展,包括烷基链型氧化还原凝胶、甾体衍生物型氧化还原凝胶、金属有机化合物型氧化还原凝胶、氨基酸或肽型氧化还原凝胶。氧化还原凝胶、基于大环衍生物的凝胶和 π 凝胶。预计在不久的将来,将开发出越来越多的具有新型氧化还原机制和有用应用的高效氧化还原响应超分子凝胶。图形概要 我们根据胶凝剂结构介绍了近年来氧化还原响应超分子凝胶的研究进展,包括烷基链型氧化还原凝胶、甾体衍生物型氧化还原凝胶、金属有机化合物型氧化还原凝胶、氨基酸或肽型氧化还原凝胶。氧化还原凝胶、基于大环衍生物的凝胶和 π 凝胶。预计在不久的将来,将开发出越来越多的具有新型氧化还原机制和有用应用的高效氧化还原响应超分子凝胶。图形概要 预计在不久的将来,将开发出越来越多的具有新型氧化还原机制和有用应用的高效氧化还原响应超分子凝胶。图形概要 预计在不久的将来,将开发出越来越多的具有新型氧化还原机制和有用应用的高效氧化还原响应超分子凝胶。图形概要
更新日期:2020-11-01
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