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Biointerphases

Journal for Biophysical Chemistry

Fig. 3 | Biointerphases

Fig. 3

From: Layer-by-Layer Assembled Films Composed of “Charge Matched” and “Length Matched” Polysaccharides: Self-Patterning and Unexpected Effects of the Degree of Polymerization

Fig. 3

a Surface morphology of the LbL-films composed of 2, 5, 10, and 20 layer pairs of (CMCS/CS)n. The 3D images of the films at the top were obtained with CS of low molecular weight and at the bottom with CS of medium molecular weight. b AFM topologies and line profiles of LbL-films composed of 2, 5, 10, and 20 layer pairs of (CMCS/CS)n composed of CS LMW (top) and CS MMW (bottom). All films terminate with a layer of CS. The lines along which the profiles were taken are indicated by white dotted arrows. The topological images were taken at n = 2 and the evolution of the film topology as a function of n is evidenced by the line scans on the right side of each row. The image dimensions are 2.5 × 2.5 μm2, and the maximum Z-ranges in (b) are 20 nm (n = 2), 50 nm (n = 5), 60 nm (n = 10) and 35 nm (n = 20)

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