Photoresponsive molecular tweezer: Control-release of anions and fluorescence switch

Autor: Shuqiang Mao, Leng Juhua, Puyang Dong, Tian-Wei Cui, Wannian Liu, Xin-Qi Hao, Mao-Ping Song, Guoxing Liu
Rok vydání: 2021
Předmět:
Zdroj: Dyes and Pigments. 184:108838
ISSN: 0143-7208
Popis: Photoresponsive control-release supramolecular systems have aroused considerable interest for the application in drug delivery, ion transport and so on. Here, we fabricated a stiff-stilbenes-based bis-urea that resembles a molecular tweezer, exhibiting reversible photoisomerization behaviors between (Z)-form and (E)-form. Significantly, photo-controlled selective recognition and release of CH3CO2− and H2PO4− were achieved by the molecular tweezer upon irradiation with distinct light. Furthermore, the stiff-stilbenes-based bis-urea also hold a functionalization as a novel photoinduced fluorescence switch. These finds have enormous potential for the application in optically controlled drug delivery, the regulation of anion transport across the cell membrane and advanced optical materials.
Databáze: OpenAIRE