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Blue two-photon fluorescence metal cluster probe precisely marking cell nuclei of two cell lines
Yaling Wang1, Yanyan Cui, Ru Liu
1Lab for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, P. R. China. gaoxy@ihep.ac.cn.
Abstract:
A bifunctional peptide was designed to in situ reduce Cu ions and anchor a Cu cluster. The peptide-Cu cluster probe, mainly composed of Cu14, emitted blue two-photon fluorescence under femtosecond laser excitation. Most important, the probe can specifically mark the nuclei of HeLa and A549 cells, respectively.
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