Figure 3.

Stability of cytotoxic activity of pool B to trypsin digestion. Pool B (2 μg/ml) was treated with and without 125 μg/ml trypsin. The samples were then incubated with CHO cells overnight. Percent CHO cell death was determined using the MTT assay. Experiment was performed in triplicate, error bars represent standard error of mean (n = 3).

Gatsos et al. BMC Microbiology 2012 12:303   doi:10.1186/1471-2180-12-303
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