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Analyzing cell adhesion on steel plates. Cell amount per mm2 was analyzed by fluorescence microscopy and manual cell counting after 48 h of cultivation. Significant reduction of cell adhesion was detected for the structures 1-5, 2-5, 5-5, and 6-5, while the structures 3-5 and 4-5 showed no significant differences. * (p < 0.05), *** (p < 0.0005), ns (non-significant).
