17 April 2015 3 2K Report

I have been trying to perform plaque assay with PR8 but some times I am able to see clear plaques at 48h and sometimes there almost no plaques at 48h when I repeat the experiment. the protocol is definatly not the problem. Could this mean I have to incubate longer? Or maybe I did not resuspend my virus well enough before I prepared the dilutions? Your contributions will be highly appreciated

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