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基于 ICT-PET-FRET 机制的用于内质网 (ER) 中 pH 值定量测量的超灵敏比率荧光探针。

An ultrasensitive ratiometric fluorescent probe based on the ICT-PET-FRET mechanism for the quantitative measurement of pH values in the endoplasmic reticulum (ER).

机构信息

Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, People's Republic of China.

出版信息

Chem Commun (Camb). 2019 Sep 16;55(72):10776-10779. doi: 10.1039/c9cc03114f. Epub 2019 Aug 21.

DOI:10.1039/c9cc03114f
PMID:31432809
Abstract

Herein, we present a dual-site ratiometric fluorescent probe based on the ICT-PET-FRET mechanism for the detection of pH in the ER. The probe showed a highly sensitive response to pH in the range of 5.0-7.2, and could be applied for the quantitative measurement of the pH values in the ER during ER stress and dexamethanose-induced stimulation.

摘要

在此,我们提出了一种基于 ICT-PET-FRET 机制的双位点比率荧光探针,用于检测内质网中的 pH 值。该探针对 pH 值在 5.0-7.2 范围内具有高度敏感的响应,可用于定量测量内质网应激和地塞米松诱导刺激期间内质网中 pH 值。

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