The kinetics of inactivation of spheroidal microbial cells by pulsed electric fields
نویسندگان
چکیده
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. PACS numbers: 87.00.00; 87.16.Dg; 87.17.Aa; 87.50.Rr; 89.75.Da The kinetics of inactivation of spheroidal microbial cells by pulsed electric fields 2
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