Chemiluminescence for bioimaging and therapeutics: recent advances and challenges

Chemiluminescence, the generation of light through chemiexcitation as a result of chemical reactions, has emerged as a novel tool for bioimaging and therapy in vivo. Due to the elimination of external optical excitation, it can effectively avoid background autofluorescence existing in fluorescence t...

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Bibliographic Details
Published in:Chemical Society reviews Vol. 49; no. 19; p. 6800
Main Authors: Yang, Mingwang, Huang, Jiaguo, Fan, Jiangli, Du, Jianjun, Pu, Kanyi, Peng, Xiaojun
Format: Journal Article
Language:English
Published: England 07.10.2020
Subjects:
Animals
Antineoplastic Agents - pharmacology
Diagnostic Imaging
Fluorescence
Humans
Hydrogen Peroxide - metabolism
Limit of Detection
Luminescence
Mice
Photochemotherapy
Photosensitizing Agents - pharmacology
ISSN:1460-4744, 1460-4744
Online Access:Get more information
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Summary:Chemiluminescence, the generation of light through chemiexcitation as a result of chemical reactions, has emerged as a novel tool for bioimaging and therapy in vivo. Due to the elimination of external optical excitation, it can effectively avoid background autofluorescence existing in fluorescence techniques, providing extremely high signal-to-noise ratios and sensitivity in bioimaging. Furthermore, in situ emitted photons can replace traditional excitation light to construct chemiexcited photodynamic therapy or drug release systems for the monitoring and treatment of deeply seated diseases or tumors. In this tutorial review, we will focus on the recent advancements of chemiluminescent platforms based on luminophore substrates including luminol and its derivatives, cypridina luciferin analogs, peroxyoxalates, and dioxetanes, and systematically summarize the design principles, sensing mechanisms, and bioimaging and therapeutic applications of representative chemiluminescent probes as well as theranostic agents. Finally, the potential challenges and perspectives of chemiluminescent platforms for bioimaging and therapeutics are also discussed.
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ISSN:1460-4744
1460-4744
DOI:10.1039/d0cs00348d