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Targeted antibacterial photodynamic therapy with aggregation-induced emission photosensitizers
Biru Wu, Kenry, Fang Hu
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Targeted antibacterial photodynamic therapy with aggregation-induced emission photosensitizers
With the increasing prevalence of infectious diseases caused by drug-resistant bacteria, there is an urgent need to develop innovative therapies alternative to antibiotics. Among these alternatives, the aggregation-induced emission (AIE) photosensitizers (PSs) stand out with their integrated imaging and therapeutic functionalities, allowing for early monitoring and image-guided ablation of bacteria. AIE fluorescent probes with unique optical properties excel in selective bacterial imaging. Furthermore, AIE-enabled reactive oxygen species (ROS)-mediated antibacterial photodynamic therapy can operate on multiple targets to oxidize bacteria. Also, as they are able to specifically target bacteria, AIE PSs can ameliorate the limitations of the small-scale action of ROS. This review methodically discusses the different strategies that can be employed using AIE PSs for targeting bacteria, including sheltered bacteria. The challenges and future opportunities of using AIE PSs in this emerging field are also briefly discussed.
AIE photosensitizers / antibacterial photodynamic therapy / bacteria-targeting / bacterial infection
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