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Related Concept Videos

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Bacteriophages, or phages, are viruses that specifically infect bacteria. Among them, T-even bacteriophages, such as T4, exhibit a well-characterized lytic replication cycle in Escherichia coli (E. coli). This process ensures the rapid proliferation of the virus while ultimately leading to the destruction of the bacterial host.Attachment and DNA InjectionThe infection process begins with the recognition and binding of the T4 phage to the E. coli cell surface. Tail fibers of the phage...
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Related Experiment Video

Updated: Aug 26, 2025

Inactivation of Pathogens via Visible-Light Photolysis of Riboflavin-5′-Phosphate
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Viral inactivation by light.

Mohammad Sadraeian1, Le Zhang1, Farzaneh Aavani2

  • 1Present Address: Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007 Australia.

Elight
|October 3, 2022
PubMed
Summary
This summary is machine-generated.

Physical methods using irradiation offer promising alternatives to chemical antivirals for combating viral infections. Radiant approaches, including ultraviolet, gamma, X-ray, neutron, laser, and blue light, show potential for safe and effective viral inactivation.

Keywords:
Antiviral therapyEnveloped virusIonizing radiationNuclear radiationsPhoto-inactivation

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Area of Science:

  • Virology
  • Radiation Physics
  • Biophysics

Background:

  • Viral infections pose significant global health challenges.
  • Current antiviral therapies face limitations, including drug resistance and side effects.
  • Physical inactivation methods offer a promising alternative to chemical treatments.

Purpose of the Study:

  • To review the antiviral applications of various radiant methods.
  • To highlight the potential of ionizing and non-ionizing radiation in combating viral infections.
  • To discuss the advantages of physical inactivation over chemical methods.

Main Methods:

  • Review of scientific literature on radiant inactivation of viruses.
  • Categorization of methods into ionizing (UV, gamma, X-ray, neutron) and non-ionizing (lasers, blue light) radiation.
  • Analysis of the mechanisms and efficacy of different radiant approaches.

Main Results:

  • Ionizing radiation (high energy UV, gamma, X-ray, neutron) demonstrates significant virucidal effects.
  • Non-ionizing photo-inactivation using lasers and blue light also shows promise for viral inactivation.
  • Radiant methods offer a potential for antiviral strategies without the risk of drug resistance.

Conclusions:

  • Radiant methods represent a viable and advantageous approach for viral infection control.
  • Further research into optimizing radiant inactivation techniques is warranted.
  • Physical inactivation offers a complementary strategy to existing antiviral therapies.