A bacterial spore model of pulsed electric fields on spore morphology change revealed by simulation and SEM
Refereed conference paper presented and published in conference proceedings


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AbstractA two-layered spore model was proposed to analyze morphological change of bacterial spores subjected under pulsed electric fields. The outer layer, i.e. spore coat, was defined by Mooney-Rivlin hyper-elastic material model. The inner layer, i.e. peptidoglycan and spore core, was modeled by applying additional adhesion forces. The effect of pulsed electric fields on surface displacement was simulated in COMSOL Multiphysics and verified by SEM. The electro-mechanical theory, considering spore coat as a capacitor, was used to explain concavity; and the thin viscoelastic film theory, considering membrane bilayer as fluctuating surfaces, was used to explain leakage forming. Mutual interaction of external electric fields, charged spores, adhesion forces and ions movement were all predicted to contribute to concavity and leakage.
All Author(s) ListQiu X., Lee Y.T., Yung P.T.
Name of Conference2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014
Start Date of Conference26/08/2014
End Date of Conference30/08/2014
Place of ConferenceChicago
Country/Region of ConferenceUnited States of America
Detailed descriptionorganized by IEEE Engineering in Medicine & Biology Society,
Year2014
Month1
Day1
Pages6822 - 6825
ISBN9781424479290
LanguagesEnglish-United Kingdom

Last updated on 2020-10-08 at 02:08