An efficient supramolecular artificial light-harvesting system based on twisted cucurbit[15]uril and cucurbit[10]uril for live cell imaging

IF 8 1区化学 Q1 CHEMISTRY, ANALYTICAL Sensors and Actuators B: Chemical Pub Date : 2022-09-01 DOI:10.1016/j.snb.2022.132006

Wei Zhang , Yang Luo , Meng-Hao Jia , Xin-Long Ni , Zhu Tao , Chao-Da Xiao , Xin Xiao

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引用次数: 6

Abstract

The construction of highly efficient artificial light-harvesting systems in aqueous solutions is still challenging. Herein, we reported a new light-harvesting system based on the supramolecular combination of twisted cucurbit[15]uril (tQ[15]), cucurbit[10]uril (Q[10]), and an anthracene derivative (APy) with aggregation-induced emission (AIE) properties. The Q[n]-based linear supramolecular polymer, APy@tQ[15]@Q[10], was constructed through a two-step assembly strategy. Subsequently, a highly efficient artificial light-harvesting system with relatively high antenna effect and energy transfer efficiency was successfully constructed through non-covalent interactions between Rhodamine B (RB, acceptor) and the APy@tQ[15]@Q[10] (donor). The resulting system was compatible with HeLa cells and could be used for live-cell imaging in the red channel. This supramolecular assembly strategy has not only produced a highly efficient light-harvesting system but also expands the application of Q[n]s in the biomedical field.

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基于扭曲葫芦[15]和葫芦[10]的高效超分子人工光采集系统的活细胞成像

在水溶液中构建高效的人工光收集系统仍然具有挑战性。在此，我们报道了一种基于扭曲葫芦[15]尾叶(tQ[15])、葫芦[10]尾叶(Q[10])和具有聚集诱导发射(AIE)性质的蒽衍生物(APy)的超分子组合的新型光收集系统。通过两步组装策略构建了基于Q[n]的线性超分子聚合物APy@tQ[15]@Q[10]。随后，通过罗丹明B (RB，受体)与APy@tQ[15]@Q[10](给体)之间的非共价相互作用，成功构建了具有较高天线效应和能量传递效率的高效人工光收集系统。该系统与HeLa细胞兼容，可用于红色通道的活细胞成像。这种超分子组装策略不仅产生了高效的光收集系统，而且扩展了Q[n]s在生物医学领域的应用。

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来源期刊

Sensors and Actuators B: Chemical 工程技术-电化学

CiteScore

14.60

自引率

11.90%

发文量

1776

审稿时长

3.2 months

期刊介绍： Sensors & Actuators, B: Chemical is an international journal focused on the research and development of chemical transducers. It covers chemical sensors and biosensors, chemical actuators, and analytical microsystems. The journal is interdisciplinary, aiming to publish original works showcasing substantial advancements beyond the current state of the art in these fields, with practical applicability to solving meaningful analytical problems. Review articles are accepted by invitation from an Editor of the journal.