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Graphical representation of MTT (a) and LDH (b) assays results for NN sample of 200 mg/mL, 100 mg/mL and 50 mg/mL concentrations. Control is represented by HT-29 cells in culture media with PBS (NN solvent). For MTT p value * = 0.0103 (highly significant statistically) and for LDH p value ** = 0.0042 (highly significant statistically).
