Hint No. 6

Temperature effects

Watch out for your incubator temperature!

Are you familiar with this problem? When utilizing several incubator shakers in parallel, your results are not comparable despite using the same shaking speed and diameter. This may be due to temperature differences. Incubator temperatures varying a few °C may have considerable influence on the growth behavior of cells and hence on your data.

Growth rates of Escherichia coli at different temperatures 

(S.L. Herendeen, R.A. van Bogelen, F.C. Neidhardt, Journal of Bacteriology (1979), Vol. 139 (1), pp 185-194).

Temperature Growth

Solution: Determine the temperature in your incubators with the same certified, external thermometer. With the appropriate instruments you may even record temperature profiles in each incubator chamber over a longer period. Deviations of several °C are not uncommon and may be the cause of your strange results

Further questions regarding your shaken culture?

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