Release Kinetics and Antibacterial Efficacy of Microporous -TCP Coatings
Figure 6
ESEM images of β-TCP. Comparison of VAN’s penetration depth into the ceramics: breach area of cylindrical ceramics, breach along boresight, (a) drop coating; (b) dip coating; each image is a combination of three individual images taken with PHILIPS ESEM XL 30 FEG using a backscattered electron detector, 12 kV accelerator voltage, pressure of 100 Pa, magnification 500x, and the calcium phosphate ceramic appears (due to Ca’s higher atomic number) brighter than the antibiotics, which consist mainly of hydrocarbons; top: frontal area (where the drop was placed in case of drop coating) bottom: center of ceramic cylinder and the small images are enlargements of image sections; the upper enlargement displays filled porosity and the lower empty porosity.
