# The kinetics of inactivation of spheroidal microbial cells by pulsed electric fields

Source: [The kinetics of inactivation of spheroidal microbial cells by pulsed electric fields](<https://www.sota2.com/research/paper/68fa20c67a2b558e293332f2>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-28T13:52:09.517Z

Authors: Nikolai Lebovka, Eugene Vorobiev

Published: 2007-04-20T16:49:47.000Z

## Abstract

The nature of non-exponential kinetics in microbial cells inactivation by pulsed electric fields (PEF) is discussed. It was demonstrated that possible mechanism of non-exponential kinetics can be related to orientational disorder in suspension of microbial cells of anisotropic form. A numerical studies of spheroidal cell suspensions was carried out. The most pronounced deviations from the exponential kinetics were observed for disordered suspensions of prolate spheroids at small electric field strength $E$ or at large aspect ratio $a$. For partially oriented suspensions, efficiency of inactivation enhances with increasing of order parameter and field strength. A possibility of the PEF-induced orientational ordering in microbial suspensions is discussed.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/0704.2750>)

[PDF](<https://arxiv.org/pdf/0704.2750.pdf>)