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共轭聚合物具有共轭分子导线结构,局部微扰在整个聚合物分子链甚至整个聚合物体系内即能得到放大利用,这一性质决定了其具有检测超低含量待测物的能力,且表现出强于小分子荧光传感器的灵敏度。本文概述了荧光共轭聚合物的传感机理,并举例介绍了近年报道的以共轭聚合物为基础的荧光传感器在检测离子及有机小分子方面的应用。
Conjugated polymer conjugate molecular wire structure, local perturbation in the entire polymer chain molecules or even within the polymer system can be used to enlarge the use of this property determines its ability to detect ultra-low content of the test object, and Showing a stronger sensitivity than small molecule fluorescence sensors. In this paper, the sensing mechanism of fluorescent conjugated polymers is summarized, and the application of conjugate polymer-based fluorescence sensors reported in recent years for detecting ions and small organic molecules is introduced.