Dual-emission 3D supramolecular framework hydrogel beads: highly selective detection of antibiotics and mechanism research
作者:Ke Zhu、Ruiqing Fan、Jian Zhang、Xin Jiang、Wenwen Jia、Bowen Wang、Haoyang Lu、Jingkun Wu、Ping Wang、Yulin Yang
DOI:10.1039/d1dt02733f
日期:——
Ratiometric fluorescent probes based on coordination polymers (CPs) have been widely applied in optical applications. Therefore, it is very important to develop a dual-emitting gel material based on coordination polymers for specific recognition of molecules. Cu-atda (H2atda = 3,3′-(4-amino-1,2,4-triazol-3,5-diyl) dibenzoic acid) is synthesized with a porous structure and a large number of amino sites
基于配位聚合物(CP)的比率荧光探针已广泛应用于光学应用中。因此,开发基于配位聚合物的双发射凝胶材料用于分子的特异性识别非常重要。 Cu-atda (H 2 atda = 3,3′-(4-氨基-1,2,4-三唑-3,5-二基)二苯甲酸)的合成具有多孔结构和大量暴露于表面的氨基位点表面,可以作为荧光分子的载体,并很好地分散在SA水凝胶网络中。成功制备了双发射Eu 3+功能化CP水凝胶珠( 9A/Cu-atda@Eu 3+ /SA ,9A = 9-蒽醛和SA = 海藻酸钠),可实现氟甲喹的比率荧光检测,且检出率低限制(48 nM)和高选择性。此外,它还对硝基呋喃类抗生素表现出优异的荧光猝灭作用,表现出双重功能性能。此外,还深入讨论了氟甲喹和硝基呋喃类抗生素的荧光响应机制。可视化9A/Cu-atda@Eu 3+ /SA珠作为一种便携式材料,为水环境中抗生素的实时监测提供了广泛而便捷的应用前景。