Issue 41, 2023

Single-dye NIR-II chemiluminescence system for H2O2 imaging

Abstract

An efficient single-dye NIR-II CL system was proposed for the first time with the longest emission peak around 1000 nm. Biocompatible CL nanoparticles were developed and a surprising CL intensity enhancement was found in the presence of the BASZn nanoenzyme by about three orders of magnitude. Such an NIR-II CL system was demonstrated for glucose sensing, tumor therapy and in vivo H2O2 imaging. Via theoretical and experimental analyses, a novel electron transfer model was established for such a chemiluminescence system rather than the generally considered HOMODye–LUMODOD model. These findings provide useful guidelines for designing efficient single-dye NIR-II CL systems.

Graphical abstract: Single-dye NIR-II chemiluminescence system for H2O2 imaging

Supplementary files

Article information

Article type
Communication
Submitted
03 Dec. 2022
Accepted
20 Marts 2023
First published
23 Marts 2023

Chem. Commun., 2023,59, 6171-6174

Single-dye NIR-II chemiluminescence system for H2O2 imaging

Z. Chang, C. Liu, L. Guo, B. Shu, H. Liang, J. Ding, X. Zhang and Q. Sun, Chem. Commun., 2023, 59, 6171 DOI: 10.1039/D2CC06592D

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