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The Effect of Low-Energy Electron Bombardment on Bacterial Spore Catalase

Gerald M. Lefebvre
Radiation Research
Vol. 54, No. 2 (May, 1973), pp. 234-238
DOI: 10.2307/3573701
Stable URL: http://www.jstor.org/stable/3573701
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Effect of Low-Energy Electron Bombardment on Bacterial Spore Catalase
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Abstract

Using range-restricted electrons as probes it was possible to show that the catalase of B. megaterium 14581 (ATCC) spores lies just inside a permeability barrier approximately 275 Å thick, the outer limit of which is about 350 Å from the spore's surface. The catalase itself appears to be separated into two fractions by a second barrier to permeability at about 1000 Å from the cell's surface.

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