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Related Experiment Video

Updated: Jul 9, 2025

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Photoacid Generators for Biomedical Applications.

Tianzhen Sun1, Lin Kang2,3, Hongyou Zhao1

  • 1School of Medical Technology, Beijing Institute of Technology, No. 5 South Street, Zhongguancun, Haidian District, Beijing, 100081, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|December 1, 2023
PubMed
Summary

Photoacid generators (PAGs) produce protons upon light exposure. Recent advances show PAGs have significant biomedical potential in areas like cancer treatment and drug delivery.

Keywords:
antibacterial treatmentbiomedical applicationsphotoacid generatortumor treatmentwater-dependent reversible photoacid

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Area of Science:

  • Photochemistry
  • Materials Science
  • Biomedical Engineering

Background:

  • Photoacid generators (PAGs) are compounds that release protons (H+) upon irradiation.
  • PAGs have established applications in photoinduced polymerization and degradation.
  • Emerging research highlights the biomedical potential of PAGs.

Purpose of the Study:

  • To systematically review recent advancements in PAGs for biomedical applications.
  • To discuss novel PAGs and their diverse therapeutic uses.
  • To explore challenges and future directions for clinical PAG translation.

Main Methods:

  • Literature review of recent scientific publications on PAGs in biomedical fields.
  • Categorization of PAG applications based on therapeutic areas.
  • Analysis of novel PAG designs and their mechanisms of action.

Main Results:

  • PAGs show promise in tumor treatment, antibacterial therapies, and protein folding regulation.
  • Controlled drug release systems utilizing PAGs have been developed.
  • Water-dependent reversible photoacids (W-RPAs) demonstrate notable antitumor effects.

Conclusions:

  • PAGs offer versatile platforms for innovative biomedical applications.
  • Further research is needed to overcome challenges for clinical translation.
  • The development of novel PAGs, particularly W-RPAs, holds significant therapeutic promise.