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Dry layer thicknesses and water contact angles before and after sterilization by FO gas and gamma treatment with subsequent extraction of the pEHPA-b-BP (a), PGE-b-OBP (b), and PGE-b-ACBP (c) brush-coated substrates. Number values and bars indicate mean values with standard deviation (n ≥ 3). *All measured values were below the basal TCPS layer, resulting in negative thickness values indicative of oxidative degradation of not only the brush coating but also the basal substrate.
