Design, multiphoton optical properties and cell imaging of D-π-A pyridine salt near-infrared materials

被引：1

作者：

Chen, Huihui ^{[1
]}

Wang, Fei ^{[2
]}

Wang, Tao ^{[1
]}

机构：

[1] Hosp 901 Joint Logist Support Force PLA, Dept Pharm, Hefei 230031, Peoples R China

[2] Anhui Sanlian Univ, Expt Ctr, Hefei 230601, Peoples R China

来源：

TETRAHEDRON LETTERS | 2021年 / 67卷

关键词：

Pyridine salt; Three-photon absorption; RNA; Bioimaging; Nucleoli; AGGREGATION-INDUCED EMISSION; RED EMISSION; 3-PHOTON; NANOPARTICLES; MITOCHONDRIA; ABSORPTION; LUMINOGEN; 2-PHOTON;

D O I：

10.1016/j.tetlet.2021.152892

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Accurate calibration of nucleoli in cells is of great significance for disease diagnosis and treatment. In this paper, a simple method was used to synthesize a new nuclear fluorescent probe TpsPym with excellent nonlinear optical properties. TpsPym has excellent three-photon behavior, and the three-photon absorption cross section can reach 11.49 x 10(-89) cm(6)s(2)photon(-2), located at the second near-infrared window (1200 nm). In vitro experimental studies have shown that TpsPym has an obvious response to RNA, mainly through hydrogen bonding and pi-pi stacking, inserting into RNA. TpsPym can specifically target nucleoli in cells with high specificity. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：6

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