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Recent Progress in Photocatalytic Antibacterial.

Ziling Zhou1, Bo Li1, Xiangmei Liu1

  • 1Hubei Key Laboratory of Polymer Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China.

ACS Applied Bio Materials
|January 10, 2022
PubMed
Summary

Photocatalytic antibacterial agents offer a promising solution to the global antibiotic crisis, providing rapid and effective pathogen elimination without drug resistance. This review explores their mechanisms and applications in combating bacterial infections and water pollution.

Keywords:
antibacterialheterojunctionpathogensphotocatalyticsemiconductors

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Environmental Science

Background:

  • Antibiotic resistance and superbacteria pose a significant global health threat.
  • Traditional antibiotic development is time-consuming and faces challenges.
  • Pathogen contamination in wounds, tissues, water, and public facilities causes widespread harm.

Purpose of the Study:

  • To review the mechanisms of photocatalytic antibacterial agents.
  • To summarize the development and applications of photocatalytic antimicrobial materials.
  • To highlight future research directions and industrialization potential.

Main Methods:

  • Focuses on the mechanism of photocatalysis.
  • Examines representative photocatalytic semiconductors (metal oxides, sulfides, carbon nitride, heterojunctions).
  • Investigates organic photocatalysts (polymers, aggregation-induced emission molecules).

Main Results:

  • Photocatalytic agents demonstrate rapid and efficient bactericidal efficacy.
  • These agents offer an alternative to antibiotics with no drug resistance or side-effects.
  • Summarizes current advancements in photocatalytic antibacterial mechanisms and material applications.

Conclusions:

  • Photocatalysis presents a controllable and effective strategy against bacterial diseases and water pollution.
  • Overcoming current difficulties is crucial for material manufacturing and industrialization.
  • Future research should address application limitations and explore new potentials.