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A new approach to developing diagnostics and therapeutics: Aggregation-induced emission-based fluorescence turn-on.
Medicinal Research Reviews ( IF 10.9 ) Pub Date : 2019-05-09 , DOI: 10.1002/med.21595
Meichen Guo 1 , Hang Song 1 , Kai Li 1 , Minchao Ma 1 , Yang Liu 2 , Qiang Fu 1 , Zhonggui He 1
Affiliation  

Fluorescence imaging is a promising visualization tool and possesses the advantages of in situ response and facile operation; thus, it is widely exploited for bioassays. However, traditional fluorophores suffer from concentration limits because they are always quenched when they aggregate, which impedes applications, especially for trace analysis and real‐time monitoring. Recently, novel molecules with aggregation‐induced emission (AIE) characteristics were developed to solve the problems encountered when using traditional organic dyes, because these new molecules exhibit weak or even no fluorescence when they are in free movement states but emit intensely upon the restriction of intramolecular motions. Inspired by the excellent performances of AIE molecules, a substantial number of AIE‐based probes have been designed, synthesized, and applied to various fields to fulfill diverse detection tasks. According to numerous experiments, AIE probes are more practical than traditional fluorescent probes, especially when used in bioassays. To bridge bioimaging and materials engineering, this review provides a comprehensive understanding of the development of AIE bioprobes. It begins with a summary of mechanisms of the AIE phenomenon. Then, the strategies to realize accurate detection using AIE probes are discussed. In addition, typical examples of AIE‐active materials applied in diagnosis, treatment, and nanocarrier tracking are presented. In addition, some challenges are put forward to inspire more ideas in the promising field of AIE‐active materials.

中文翻译:

开发诊断和治疗方法的新方法:聚集诱导的基于发射的荧光开启。

荧光成像是一种很有前途的可视化工具,具有原位响应和操作简便的优点。因此,它被广泛用于生物测定。但是,传统的荧光团受浓度限制,因为它们在聚集时总是被淬灭,这阻碍了应用,特别是在痕量分析和实时监测方面。近年来,开发了具有聚集诱导发射(AIE)特性的新型分子,以解决使用传统有机染料时遇到的问题,因为这些新分子在自由运动状态下表现出微弱甚至无荧光,但在受到分子束缚的情况下会强烈发射。分子内运动。受AIE分子出色性能的启发,已经设计,合成了许多基于AIE的探针,并应用于各个领域,以完成各种检测任务。根据大量实验,AIE探针比传统的荧光探针更实用,尤其是在生物测定中使用时。为了衔接生物成像和材料工程学,本综述对AIE生物探针的发展提供了全面的了解。它首先概述了AIE现象的机理。然后,讨论了使用AIE探针实现精确检测的策略。此外,还介绍了在诊断,治疗和纳米载体跟踪中应用的AIE活性材料的典型示例。此外,在充满希望的AIE活性材料领域提出了一些挑战,以激发更多的想法。AIE探针比传统的荧光探针更实用,尤其是在生物测定中使用时。为了衔接生物成像和材料工程学,本综述对AIE生物探针的发展提供了全面的了解。它首先概述了AIE现象的机理。然后,讨论了使用AIE探针实现精确检测的策略。此外,还介绍了在诊断,治疗和纳米载体跟踪中应用的AIE活性材料的典型示例。此外,在充满希望的AIE活性材料领域提出了一些挑战,以激发更多的想法。AIE探针比传统的荧光探针更实用,尤其是在生物测定中使用时。为了衔接生物成像和材料工程学,本综述对AIE生物探针的发展提供了全面的了解。它首先概述了AIE现象的机理。然后,讨论了使用AIE探针实现精确检测的策略。此外,还介绍了在诊断,治疗和纳米载体跟踪中应用的AIE活性材料的典型示例。此外,在充满希望的AIE活性材料领域提出了一些挑战,以激发更多的想法。它首先概述了AIE现象的机理。然后,讨论了使用AIE探针实现精确检测的策略。此外,还介绍了在诊断,治疗和纳米载体跟踪中应用的AIE活性材料的典型示例。此外,在充满希望的AIE活性材料领域提出了一些挑战,以激发更多的想法。它首先概述了AIE现象的机理。然后,讨论了使用AIE探针实现精确检测的策略。此外,还介绍了在诊断,治疗和纳米载体跟踪中应用的AIE活性材料的典型示例。此外,在充满希望的AIE活性材料领域提出了一些挑战,以激发更多的想法。
更新日期:2019-05-09
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