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Analysis of the Crushing Effect about Ultrasound on E. coli and B. subtilis

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Abstract:

Escherichia coli and Bacillus subtilis as objects of the study, ultrasonic fragmentation acted on the bacterial cells in different growth stages, results showed that, it’s similar to the crushing effect of ultrasound on E. coli and B. subtilis cells of different growth stages, the highest crushing rate in the logarithmic phase, reached to 95.8% and 94.3% respectively, the crushing rate of adjustment phase is lowest, maintained at around 60%, the crushing rate stability cell was centered, which can be achieved 90%. The structure of the bacterial cell wall didn’t the main factor to decide the ultrasonic fragmentation effect, but different growth periods of bacterial cells did the determinant.

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Periodical:

Applied Mechanics and Materials (Volumes 260-261)

Pages:

1017-1021

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.260-261.1017

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Online since:

December 2012

Authors:

Xin Ying Wang, Yong Tao Liu, Min Hui, Ji Fei Xu

Keywords:

Bacillus subtilis, Crushing Rate, Escherichia coli, Ultrasonic Fragmentation

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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