Cellular deoxyribonucleic-acid probes of two-photon-excited fluorescent quinolinium-substituted carbazole

文献情報

出版日 2018-11-23

DOI 10.1039/C8AN01597J

インパクトファクター 4.616

著者

Shuheng Chi, Yanli Zhao, Yunjie Zhang

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要旨

We report three new types of two-photon-absorption compounds, which contain a carbazole center core linked to two quinolinium units. Their action two-photon absorption cross-sections are 287.13, 267.75, and 236.25 GM. Under near-infrared excitation, their fluorescence emissions are observed at approximately 650 nm. The new compounds can stain deoxyribonucleic acid (DNA) with the same level of nuclear localization as that of Hoechst 33342. Under continuous irradiation with a near-infrared laser, the fluorescence decays of the three new compounds were less than those of 4,6-diamidino-2-phenylindole; the average fluorescence decay rates were 0.014, 0.015, and 0.014% s−1. They are expected to become new two-photon fluorescent probes of DNA.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Cellular deoxyribonucleic-acid probes of two-photon-excited fluorescent quinolinium-substituted carbazole

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