Abstract
Monomeric collagen ‐lms were prepared by spin-coating of acidic collagen solutions on di†erent atomically Nat surfaces. The thin biomolecular coatings have been investigated by scanning force microscopy. Depending on both the wetting behaviour and the microtopology of the substrates used, di†erent ‐lm morphologies have been observed. Collagen monomers cover the surface of hydrophilic substrates homogeneously, whereas pore formation due to dewetting processes takes place at non-structured hydrophobic surfaces. The size of pores depends on the evaporation velocity of the solvent during spin-coating. Topological and metric properties of the resulting networks have been analysed and compared to soap foam network structures. 1997 by John Wiley & Sons, Ltd.
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