Citation:
LI Yu-Ying, CUI Meng-Chao. Progress of Near-Infrared Fluorescent Probes for β-Amyloid Plaques in the Brain[J]. Chinese Journal of Analytical Chemistry,
;2019, 47(10): 1524-1536.
doi:
10.19756/j.issn.0253-3820.191489
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β-Amyloid (Aβ) plaques as one of the important pathological hallmarks of Alzheimer's disease (AD) are regarded as key target for diagnosis of AD in early stage. In recent years, near-infrared fluorescence (NIRF) imaging has been developed rapidly, and has become a remarkable, noninvasive and inexpensive optical imaging tool for in vitro biological analysis, in vivo diagnosis and drug screening in animal models. In this review, we summarize current NIRF Aβ probes with sensing mechanism based on the intramolecular charge transfer (ICT) and outlined the influence of chemical structures on optical and biological properties, which is important for further development of high-sensitivity NIRF Aβ probes.
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