Zur Eliminierung des Einflusses von Zellgruppen bei der Ermittlung der Inaktivierungsrate für Einzelzellen
Open Access
- 1 September 1957
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 12 (8-9) , 542-546
- https://doi.org/10.1515/znb-1957-8-909
Abstract
If one uses as criterium of inactivation of microorganisms the inability to form macrocolonies and if the culture under investigation is a mixture of single cells and cell groups the problem arises to determine from the survival rate Ü of the mixture the rate ü1 of single cells. The frequently used formula (hn is the relative frequency of the cell groups with n cells) may be replaced with sufficient accuracy by the formula for the correction of where . Thus the possibility is given to express a given distribution hn by a single characteristic number E . The validity of this approximation is discussed by numerical examples and in general.Keywords
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