Table 2. Atomic elemental composition percent for the individual reaction steps determined by XPS.
The different surfaces obtained were labeled as follow: unmodified surface (TA6V), piranha treated titanium alloy surface (PiTA6V), TESPSA modified PiTA6V (TPiTA6V) and chitosan modified TPiTA6V surface (CSTPiTA6V).
| TA6V | PiTA6V | TPiTA6V | CSTPiTA6V | |
|---|---|---|---|---|
| C1s (%) | 34.8 ± 0.9 | 30.7 ± 0.4 | 54.1 ± 0.3 | 61.6 ± 1.4 |
| N1s (%) | 1.2 ± 0.1 | 1.6 ± 0.7 | 2.8 ± 0.3 | 6.6 ± 0.2 |
| O1s (%) | 46.9 ± 0.6 | 49.6 ± 0.3 | 32.2 ± 0.3 | 31.8 ± 1.2 |
| Ti2p (%) | 13.3 ± 0.3 | 12.7 ± 1.0 | 0.0 ± 0.0 | 0.0 ± 0.0 |
| Si2p (%) | 0.0 ± 0.0 | 0.0 ± 0.0 | 10.9 ± 0.7 | 0.0 ± 0.0 |
| Al2p (%) | 2.6 ± 0.1 | 4.2 ± 0.3 | 0.0 ± 0.0 | 0.0 ± 0.0 |
| Others (%) | 1.2 ± 0.2 | 1.2 ± 0.7 | 0.0 ± 0.0 | 0.0 ± 0.0 |