Effect of Co60 Gamma Irradiation on Staphylococcos Aureus

Abstract

The sensitivity of staphylococcus aureus to gamma radiation of varying dose rates in a nutrient broth and in a phosphate buffer solution, with and without glucose, was studied. Twenty-four-hour-old microorganisms were irradiated with doses of 20,40,60, 80, 100,200,300,400 and 500 krad at dose rates of 4 and 400 rad/sec. An increase in dose rate within the limits studied was found to produce a more effective reduction in number of germs. A dissimilar biological effect of gamma rays of varying dose rates at different integral dose levels was noted.

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Document Details

Document Type
Technical Report
Publication Date
Apr 23, 1974
Accession Number
AD0784243

Entities

People

  • A. Kudryasheva
  • I. S. Emelyanov
  • M. I. Volokhina

Organizations

  • United States Army Foreign Science and Technology Center

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Buffers (Chemistry)
  • Dose Rate
  • Freeze Drying
  • Gamma Rays
  • Integrals
  • Ionizing Radiation
  • Microorganisms
  • Radiation
  • Scientific Research
  • Sensitivity
  • Staphylococcus Aureus
  • Survival
  • Viability

Fields of Study

  • Physics

Readers

  • Analytical Chemistry
  • Nuclear and Radiation Engineering.