Table 2.
Contact angle of control and functionalized substrates
| Treatment | (Abbr.) | Contact anglea |
|---|---|---|
| Piranha-cleaned silicon | (PIRANHA) | 4.85±0.30 |
| CDI-activated silicon | (CDI) | 9.33±0.48 |
| Amino-dendrimer immobilized via CDI | (DEND) | 13.58±0.93 |
| Glutaraldehyde onto amino-dendrimer | (DEND-GL) | 22.75±1.56 |
| GOPS-treated | (GOPS) | 70.68±0.28 |
| APTMS-treated | (APTMS) | 43.78±2.16 |
| Glutaraldehyde onto APTMS | (APTMS-GL) | 58.45±0.86 |
| Carboxy-dendrimer onto APTMS | (APTMS-DEND) | 13.68±0.34 |
a
Values represent means of four determinations±standard error