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AIEgens for Bacterial Imaging and Ablation.

Qinggele Borjihan1, Haixia Wu1, Alideertu Dong1

  • 1College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot, 010021, P. R. China.

Advanced Healthcare Materials
|August 3, 2021
PubMed
Summary

Aggregation-induced emission luminogens (AIEgens) offer a novel approach for detecting and treating bacterial infections. These materials overcome traditional fluorescence quenching issues, enabling sensitive pathogen identification and targeted bacterial killing.

Keywords:
aggregation-induced emissionantimicrobial materialsbacteriabiomaterialsimaging

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Area of Science:

  • Advanced materials science
  • Biomedical engineering
  • Infectious disease research

Background:

  • Accurate bacterial infection diagnosis is crucial for effective management and preventing antibiotic resistance.
  • Traditional fluorescence probes often suffer from aggregation-caused quenching (ACQ), limiting their sensitivity.
  • Aggregation-induced emission luminogens (AIEgens) exhibit enhanced fluorescence upon aggregation, overcoming ACQ limitations.

Purpose of the Study:

  • To review recent advancements in AIEgens for diagnosing and treating pathogenic bacterial infections.
  • To highlight the molecular design, applications, and biocompatibility of AIEgens.
  • To discuss future prospects for AIEgens in precision therapies for infections.

Main Methods:

  • Review of recent scientific literature on AIEgens for bacterial infection applications.
  • Analysis of molecular design strategies for AIEgens with aggregation-induced emission properties.
  • Evaluation of AIEgen applications in bacterial imaging and ablation (in vitro and in vivo).

Main Results:

  • AIEgens effectively overcome the ACQ effect, enhancing sensitivity in bacterial detection.
  • Certain AIEgens generate reactive oxygen species (ROS) in aggregate states, enabling bacterial ablation.
  • AIEgens demonstrate potential for both in vitro and in vivo imaging and treatment of bacterial infections.

Conclusions:

  • AIEgens represent a promising class of materials for sensitive bacterial diagnosis and effective treatment.
  • Further research into molecular design and biocompatibility will advance AIEgen applications in precision medicine.
  • AIEgens hold significant potential for developing novel strategies against drug-resistant bacterial pathogens.