human 184 Article 162 Humans 147 surface property 127 controlled study 121 chemistry 94 Surface Properties 82 Surface roughness 72 procedures 67 male 63 nonhuman 63 Morphology 61 Surface waters 60 Scanning electron microscopy 59 female 59 Response surface methodology 58 adult 55 Surface properties 54 in vitro study 48 Surface morphology 47 Adsorption 43 scanning electron microscopy 42 article 39 Fourier transform infrared spectroscopy 38 Male 38 Female 37 unclassified drug 37 adsorption 36 drug effect 34 pH 33