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Figure 5 | Journal of Experimental & Clinical Cancer Research

Figure 5

From: Antitumor activity of colloidal silver on MCF-7 human breast cancer cells

Figure 5

Nitric oxide production in colloidal silver-treated MCF-7 and PBMC. Nitric oxide production at 5 h by colloidal silver-treated MCF-7 and PBMC, was measured using the nitric oxide colorimetric assay kit, as described in methods. The experiments were performed in triplicates; data shown represent mean + SD of three independent experiments. *P < 0.05 as compared with untreated cells.

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