On the use of toluene as inhibitor in enzymological surveys of freshwater bottom deposits

Szabó, Ernő and F. Kalkó, Zsuzsa and Felföldy, Lajos (1961) On the use of toluene as inhibitor in enzymological surveys of freshwater bottom deposits. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 28. pp. 135-138. ISSN 0365-3005

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Abstract

The effectiveness of toluene in blocking microbial growth and activity was estimated in two bottom deposit samples originating from Lake Balaton. According to the agar pour plate countings the toluene stops the growth of microorganisms not only in mud samples but also in agar plates. The saccharase activity measurements show that, due to the effect of ow toluene concentration, the activity will be slightly greater. The findings show that H ofmann’s biological activity measurements give useful results only by adherence to the original instructions and, that the results may be used only for comparisons.

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