Figure 2.

Principle component analyses. PCA of differentially expressed genes in HaCaT cells exposed for 3 h and 3 d to 30 μg/ml WC, 33 μg/ml WC-Co nanoparticles and 3 μg/ml CoCl2. Each symbol represents a biological replicate.

Busch et al. BMC Genomics 2010 11:65   doi:10.1186/1471-2164-11-65
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