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Rhythmic Changes in Dry Heat Resistance of Bacillus subtilis Spores After Rapid Changes in pH |
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| Authors: | Robert J. Heckly and J. Dimatteo |
| Abstract: | Heat resistance of freeze-dried Bacillus subtilis spores varied in a rhythmic manner as a function of time between acidification to about pH 1.5 and freezing. A comparable rapid shift to pH 11 produced little change in resistance to heat. |
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