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Roughness values (A) and contact angles (B) of samples.
Notes: Data are expressed as the mean ± standard deviation (n=3). $Denotes the statistical significance between Ti and other groups. #Denotes the statistical significance between each Zn-incorporated TNT group and its TNT counterpart group. &Denotes the statistical significance between different labeled groups. ($P<0.05, #P<0.05, &P<0.05, ANOVA.)
Abbreviation: Ra, arithmetical mean deviation of the profile.
