Abstract
A new method for preparing a wettability gradient on polymer surfaces was developed. Low density polyethylene sheets were treated in air with corona from a knife-type electrode whose power gradually increases along the sample length. The polymer surfaces oxidized gradually with the increasing power and the wettability gradient was created on the surfaces as evidenced by the measurement of water contact angles, Fourier-transform infrared spectroscopy in the attenuated total reflectance mode, and electron spectroscopy for chemical analysis. The wettability gradient surfaces prepared were used to investigate the interactions of model protein and cells in terms of the surface hydrophilicity/hydrophobicity of polymeric materials.
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© 1994 Springer-Verlag Berlin Heidelberg
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Lee, H.B., Lee, J.H. (1994). Cell Adhesion and Protein Adsorption on Gradient Surfaces. In: Ghiggino, K.P. (eds) Progress in Pacific Polymer Science 3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-78759-1_2
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DOI: https://doi.org/10.1007/978-3-642-78759-1_2
Publisher Name: Springer, Berlin, Heidelberg
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