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Photoresponsive Supramolecular Hydrogel Co-assembled from Fmoc-Phe-OH and 4,4′-Azopyridine for Controllable Dye Release
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作者 Xiao-Qiu Dou Chang-Li Zhao +3 位作者 Nabila Mehwish Ping Li Chuan-Liang Feng Holger Schonherr 《高分子科学:英文版》 SCIE CAS CSCD 2019年第5期437-443,共7页
Photoresponsive hydrogels have been attractive because they can provide precise spatial and temporal control for molecule release, whereas the conventional preparation of photoresponsive hydrogels generally involves c... Photoresponsive hydrogels have been attractive because they can provide precise spatial and temporal control for molecule release, whereas the conventional preparation of photoresponsive hydrogels generally involves complex chemical synthesis steps or specific conditions which limits their practical applications. Herein, a new photoresponsive hydrogel is facilely prepared via co-assembly of two simple molecules, Fmoc-Phe-OH and Azp, without chemical synthesis. The co-assembly mechanism, morphology, and photoresponsiveness of(Fmoc-Phe-OH)-Azp hydrogel are investigated by circular dichroism(CD), ultraviolet-visible(UV-Vis), fluorescence,~1 H nuclear magnetic resonance(~1 H-NMR), attenuated total internal reflection Fourier transform Infrared(ATR-FTIR) spectroscopy, and scanning electron microscopy(SEM). Furthermore, the enhanced release of encapsulated sulforhodamine B(SRB) dye molecules can be achieved via UV light irradiation. The enhanced dye release amount can be controlled by manipulating photoirradiation time. This study provides a facile way to prepare photoresponsive hydrogel which holds great potential for controllable drug release. 展开更多
关键词 PHOTORESPONSIVE Supromolecular Co-assembly HYDROGEL DYE RELEASE
A new family of supramolecular multiferrocenyl rhomboids:Synthesis,characterization,and their electrochemical behavior
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作者 Jiang-Kun Ou-Yang Li-Jun Chen +2 位作者 Lin Xu Cui-Hong Wang Hai-Bo Yang 《中国化学快报:英文版》 SCIE CAS CSCD 2013年第6期471-474,共4页
二篇小说,超分子, multiferrocenyl 偏菱形 5 和 6 成功地被构造了从最新设计了 60
关键词 电化学行为 超分子 菱形 表征 合成 家庭 二茂铁基 核磁共振
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