Table 1.
Nitric oxide release from polyurethane membranes doped with different NO donor-modified silica nanoparticles.a
| NO-Release System | [NO]b (pmol cm−2 s−1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4 h | 12 h | 24 h | 48 h | 72 h | 96 h | 144 h | 240 h | 312 h | |
| RSNO | 18.1±8.9 | 6.1±2.1 | 3.2±0.8 | 0.9±0.1 | --- | --- | --- | --- | --- |
| 3:1 RSNO:DET | 23.5±2.9 | 5.3±1.9 | 3.8±0.4 | 1.8±0.7 | 0.8±0.3 | --- | --- | --- | --- |
| 1:1 RSNO:DET | 54.7±8.5 | 18.5±2.2 | 9.7±0.8 | 8.4±3.6 | 5.5±1.6 | 3.3±1.0 | 2.1±0.5 | --- | --- |
| DET/NO | 8.4±0.7 | 5.7±0.5 | 4.1±0.6 | 3.5±0.4 | 2.9±0.4 | 3.2±0.6 | 2.6±0.5 | 1.4±0.2 | 0.8±0.2 |
a
Results are expressed as average values ± standard deviation of n>3 separate experiments.
b
Instantaneous NO flux measured from mock sensor surfaces via chemiluminescence NO analysis.