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Appl Environ Microbiol. 1962 November; 10(6): 500-503

Precise Adsorption Method for Measuring the Percentage of Dead Bacterial Cells

Marina L. R. Vairo and Walter Borzani

Department of Chemical Engineering, Escola Politecnica, University of São Paulo, São Paulo, Brazil

ABSTRACT

It was observed that Freundlich's law is obeyed when methylene blue is adsorbed from different aqueous solutions by mixtures of dead and live bacterial cells. A simple and precise colorimetric method was developed for determining the percentage of dead cells.

Appl Environ Microbiol. 1962 November; 10(6): 500-503






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