Triphenylamine-based AIE fluorescence probe for lipid droplets imaging in living cells

IF 4.7 3区 化学 Q2 CHEMISTRY, PHYSICAL Journal of Photochemistry and Photobiology A-chemistry Pub Date : 2025-05-01 Epub Date: 2024-12-27 DOI:10.1016/j.jphotochem.2024.116248
Sichen Zhang , Yu Fang , Jie Wang , Aobo Sun , Jiale Li , Xue Zhang , Chunfei Wang , Lutan Zhou , Lei Hu , Hui Wang
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Abstract

Lipid droplets (LDs), as an important organelle, play a crucial role in regulating cell metabolism and growth. When their function is disrupted, they may lead to a series of diseases, which makes the monitoring of LDs the focus of researchers. In this study, relying on the lipophilic properties of triphenylamine and using its derivatives as targeting groups, we developed a series of BODIPY-based fluorescent probes (X1-X5) based on NBO structure. Probes X1, X2, and X4 all exhibited good aggregation-induced emission (AIE) performance. In addition, these probes have excellent photostability and low cytotoxicity, and have a large stokes shift (>100 nm) in H2O. Especially, probe X4 has been successfully applied to living cell LDs imaging, providing valuable tools for the field of biological imaging.

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基于三苯胺的AIE荧光探针用于活细胞脂滴成像
脂滴作为一种重要的细胞器,在调节细胞代谢和生长中起着至关重要的作用。当它们的功能被破坏时,它们可能导致一系列疾病,这使得对ld的监测成为研究人员关注的焦点。本研究依托三苯胺的亲脂性,以其衍生物为靶向基团,开发了一系列基于NBO结构的bodipy荧光探针(X1-X5)。探针X1、X2和X4均表现出良好的聚集诱导发射(AIE)性能。此外,这些探针具有优异的光稳定性和低细胞毒性,并且在水中具有大的斯托克斯位移(>100 nm)。特别是X4探针已成功应用于活细胞lcd成像,为生物成像领域提供了有价值的工具。
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来源期刊
CiteScore
7.90
自引率
7.00%
发文量
580
审稿时长
48 days
期刊介绍: JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds. All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor). The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.
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