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Nanotopological characteristics of dPGA and PDL coated substrates. Borosilicate glass coverslips were coated with 10 µg/ml solutions of either PDL or dPGA. (A) Surface topography imaged with AFM (scale bar 200 nm). (B) RMS roughness determined by AFM (*p < .05, paired one-tailed Student's t-test n = 4).
