Inactivation of encephalomyocarditis virus and salmonella typhimurium by using a visible femtosecond laser

Shaw Wei D Tsen, Kong-Thon Tsen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

We report inactivation of encephalomyocarditis virus and salmonella typhimurium by a visible femtosecond laser. Our results show that inactivation of virus and bacterium by an ultrashort pulsed laser light might involve completely different mechanisms. Inactivation of viruses by an ultrashort pulsed laser might involve disruption of their protein coat through laser-induced excitation of large-amplitude acoustic vibrations. On the other hand, inactivation of bacteria is most likely related to the disruption of their metabolism by the DNA relaxation process caused by irradiation of ultrashort pulsed lasers.

Original languageEnglish (US)
Title of host publicationOptical Biopsy IX
DOIs
StatePublished - Apr 21 2011
EventOptical Biopsy IX - San Francisco, CA, United States
Duration: Jan 24 2011Jan 26 2011

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume7895
ISSN (Print)1605-7422

Other

OtherOptical Biopsy IX
CountryUnited States
CitySan Francisco, CA
Period1/24/111/26/11

Keywords

  • Inactivation of viruses
  • bacteria
  • femtosecond lasers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Radiology Nuclear Medicine and imaging

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    Tsen, S. W. D., & Tsen, K-T. (2011). Inactivation of encephalomyocarditis virus and salmonella typhimurium by using a visible femtosecond laser. In Optical Biopsy IX [78950S] (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 7895). https://doi.org/10.1117/12.874952