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VII. CONCLUSIONS This chapter has described adsorption of polymers and surfactants on oxide surfaces from their mixed aqueous solutions. The adsorption of polymers and surfactants is affected by many factors such as chemical structures of polymer-surfactant in solution and the surface conditions of oxides. Several examples show interesting adsorption behaviors of polymers and surfactants on oxides, which may be useful for some applications. In addition, the use of atomic force microscopy or surface force apparatus can provide new insight for elucidating interactions between polymers-surfactants with oxide surfaces [101-104].