In the realm of antimicrobial strategies, the application of light-based technologies has emerged as a critical area of research, yielding promising results against pathogens. The development of multiple photosensitizers and the employment of various wavelengths, including ultraviolet (UV), antimicrobial blue light, visible light, and infrared, has been studied extensively to understand their effectiveness against infectious diseases and in sterilization or disinfection processes. The urgency to develop these technologies has increased in the face of growing antibiotic resistance, which poses a significant threat to global health.

This Research Topic aims to delve deeper into the potential of light-based technologies to offer novel antimicrobial solutions. It seeks to assess the efficacy, mechanism, and safety of different light spectrums in combating a range of microbial organisms. The exploration involves not only direct microbial eradication but also the prevention of microbial growth on various surfaces and environments.

To gather further insights in this burgeoning field, we welcome articles addressing, but not limited to, the following themes:

• Mechanisms of action of different wavelengths and/or photosensitizers on infectious diseases
• Nanotechnology-based drug delivery systems for antimicrobial photodynamic therapy
• Studies of UV, antimicrobial blue light, and infrared technologies for antimicrobial control
• Innovations in light sources (LED, OLED, QLED) technology for antimicrobial purposes
• Light-based disinfection in healthcare settings
• Integration of light-based systems in public and private infrastructure
• Safety and environmental impacts of antimicrobial light technologies
• Future directions and potential for scaling light-based antimicrobial systems

This structured approach should catalyze comprehensive understanding and advancements in the use of light for microbial control across various sectors.

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Frontiers in Cellular and Infection Microbiology

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