Tunable hydroxyapatite wettability: Effect on adhesion of biological molecules

Hydrophobicity of electron beam modified surface of hydroxyapatite films

“…It has been found that contact poling hydroxyapatite pellets at temperature in excess of 250 • C increases wettability [6,7]. This is in stark contrast to the report by Aronov et al [8] of a decreasing wettability in hydroxyapatite pellets polarized by low energy electron beam (100 eV).…”

“…investigations to determine the influence of electrical polarization on surface wettability and biological reactions [5][6][7][8]. Reports of the enhancement or reduction of the bioactivity of HA by different polarization or charging methods have so far been unable to distinguish and clearly identify mechanisms behind such modification of bioactivity.…”

The effect of surface treatment on the surface texture and contact angle of electrochemically deposited hydroxyapatite coating and on its interaction with bone-forming cells

“…Modification of the surface energy on the nanoscale was made both to HAp-coated and to uncoated samples, applying the process developed by Rosenman et al [27][28][29][30][31]. The results of a feasibility study are presented here.…”

“…In the present work, an innovative process was evaluated. In this treatment [27][28][29][30][31], low-energy electron irradiation leads to surface energy modification on the nanoscale. HAp is a p-type wide-band-gap semiconductor with originally positive surface band-bending and several electron/hole bulk and surface states.…”

Improving Natural Biopolymeric Membranes Based on Chitosan and Collagen for Biomedical Applications Introducing Silver

“…31 These data can be used to estimate the surface tension of the solid. Calculations based on these measurements produce a parameter (surface tension, surface free energy (SFE) etc.…”