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| 1 | 抗氧化水凝胶的研究进展显示文摘活性氧(ROS)是人体代谢过程中的重要中间产物,对维持人类正常生理活动起着关键作用,但其过度表达会引起一系列炎症反应,从而导致相关疾病的发生。近年来,随着对活性氧机理研究的深入,利用抗氧化材料清除ROS逐渐成为治疗炎症疾病的重要策略。其中,抗氧化水凝胶因其突出的生物相似性与多功能性,被视作清除体内ROS的重要材料之一。总结了目前抗氧化水凝胶的研究进展,包括材料的抗氧化机理、具体制备方法及其在生物医学领域的具体应用,并对抗氧化水凝胶的未来发展进行了展望。 | 陈鹏 杨凤英 顾志鹏 李乙文 | 2021 | 功能高分子学报2021，34，2： | 4 |
| 2 | Ultrasmall Nanoparticle ROS Scavengers Based on Polyhedral Oligomeric Silsesquioxanes显示文摘Although tremendous efforts have been devoted to the structural and functional tailoring of natural polyphenol-functionalized nan oparticles,preparing ultrasmall sized(<6 nm)particles with precisely-defined structures has remained a grand challenge.In this work,we reported the preparation of ultra-small and precisely structured polyhedral oligomeric silsesquioxanes(POSS)-based polyphenol nanopartides(T8^-,T10^-,and T12^-GAPOSS)by accurately functionalizing the POSS surface with plant polyphenol gallic acid units via thiol-Michael'click'reactions.Those polyphenol nanoparticles exhibited strong free radical scavenging capacity,good biocompatibility and ability to resist cell oxidative damage,which dem on strated great potentials in inhibiting oxidative stress in duced pathologies. | Zhan Li Haotian Li Jianhua Zhang Xianhu Liu Zhipeng Gu Yiwen Li | 2020 | Chinese Journal of Polymer Science2020，38，11： | 2 |
| 3 | Tea stain-inspired solar energy harvesting polyphenolic nanocoatings with tunable absorption spectra显示文摘Discovery and development of new sustainable photothermal materials with tunable light absorption spectra play a key role in solar energy harvesting and conversion.One possible solution to this quest is to check nature as a source of matters or inspiration.Inspired by the formation of tea stains,a unique class of dark stain materials generated by the interfacial reaction between tea polyphenols and metal substance,we reported the facile preparation and screening of a series of photothermal nanocoating layers via the metal ion(i.e.C u(ll)>Fe(lll),Ni(ll),Zn(ll))promoted in situ polymerization of typical phenolic moieties of tea polyphenols(i.e.,catechol and pyrogallol).It was found that those resulting metal-polyphenolic nanocoatings showed various promising features,such as high blackness and strong adhesion,excellent and tunable light absorption properties,good hydrophilicity and long-term stability.We further fabricated the photothermal composite devices by/n s/'fty formation of meta卜polyphenolic nanocoatings on pristine silks for solar desalination,which demonstrated promising durable evaporation behaviors with excellent evaporation rates and steam generation efficiencies.We believe that this work could provide more opportunities towards new types of bio-inspired and sustainable photothermal nanomaterials for solar energy harvesting applications such as water desalination. | Lu Yang Yuan Zou Wei Xia Haotian Li Xinyu He Yi Zhou Xianhu Liu Chaoqun Zhang Yiwen Li | 2021 | Nano Research2021，14，4： | 2 |
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