Abstract
The ingenious construction of versatile cancer phototheranostic agents involving FLI, PDT, and PTT concurrently has attracted great interest. By virtue of the plentiful freely rotated moieties and the inherent twisted structure, AIEgens have been proven a perfect template for development of phototheranostic system. The systematic regulation of the energy consumption pathways through altering the molecular structure of AIEgens based on side-chain engineering is of great significance for the simultaneous pursuit of controllable fluorescence, photodynamic and photothermal properties, but has rarely been reported. Herein, an AIE-active multifunctional phototheranostic system was reported through intentional control the side-chain structure. Bearing the longest alkyl chain, all of those three energy dissipation pathways were retained controllably. In vitro and in vivo evaluations verified that TBFT2 nanoparticles performed well in terms of FLI-guided PDT and PTT synergistic cancer therapy. This study provides a new insight into the exploration of superior versatile phototheranostics through side-chain engineering.
Supplementary materials
Title
Side-Chain Engineering of Aggregation-Induced Emission Molecules for Boosting Cancer Phototheranostics
Description
Additional experimental details; figures showing NMR spectra and high-resolution mass spectra, AIE curves, fluorescence quantum yield, fluorescence lifetime DLS measurement, storage stability, confocal images, histological and hematological data, blood routine indexes, hepatic and renal functions.
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Title
Side-Chain Engineering of Aggregation-Induced Emission Molecules for Boosting Cancer Phototheranostics
Description
The ingenious construction of versatile cancer phototheranostic agents involving FLI, PDT, and PTT concurrently has attracted great interest. By virtue of the plentiful freely rotated moieties and the inherent twisted structure, AIEgens have been proven a perfect template for development of phototheranostic system. The systematic regulation of the energy consumption pathways through altering the molecular structure of AIEgens based on side-chain engineering is of great significance for the simultaneous pursuit of controllable fluorescence, photodynamic and photothermal properties, but has rarely been reported. Herein, an AIE-active multifunctional phototheranostic system was reported through intentional control the side-chain structure. Bearing the longest alkyl chain, all of those three energy dissipation pathways were retained controllably. In vitro and in vivo evaluations verified that TBFT2 nanoparticles performed well in terms of FLI-guided PDT and PTT synergistic cancer therapy. This study provides a new insight into the exploration of superior versatile phototheranostics through side-chain engineering.
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