Table 4.
Elemental analysis of the plasma-activated silicone surfaces (1 min, 2 min, 3 min and 5 min) coated by chitosan nanoparticles alone, or in combination with the drug by XPS.
| Sample | Atomic Percentage of Elements (at.%) | ||||||
|---|---|---|---|---|---|---|---|
| C | N | O | Na | Si | P | S | |
| PDMSPA1,CN | 49.1 | 4.0 | 32.2 | 0.2 | 11.9 | 0.5 | - |
| PDMSPA1,CN-CoAM | 53.9 | 4.0 | 24.8 | 1.8 | 12.2 | 0.3 | 0.8 |
| PDMSPA2,CN | 35.8 | 2.2 | 39.9 | 0.1 | 21.7 | 0.2 | - |
| PDMSPA2,CN-CoAM | 54.5 | 5.1 | 24.7 | 1.7 | - | - | 1.4 |
| PDMSPA3,CN | 44.6 | 3.4 | 35.8 | 0.3 | 15.5 | 0.4 | - |
| PDMSPA3,CN-CoAM | 52.7 | 3.8 | 23.9 | 2.8 | - | - | 1.2 |
| PDMSPA5,CN | 56.2 | 5.1 | 29.8 | - | 8.1 | 0.9 | - |
| PDMSPA5,CN-CoAM | 54.8 | 5.5 | 24.9 | 1.5 | 10.9 | 0.4 | 1.4 |
| PDMSPA5 | 13.9 | - | 55.8 | - | 30.3 | - | - |