Research Article
Development of a Hybrid Chitosan- and Niacinamide-Coupled ZnO Nanoparticle Composite for Sun Protection Application
Table 4
SPF timed mean study of ZnO, CS/ZnO, and Nia/ZnO.
| | SPF mean | (UVA) | (UVB) | Lambda critical |
| ZnO 0 min | 4.06 | 0.3023 | 0.2769 | 383.2 | ZnO 15 min | 4.11 | 0.3019 | 0.2762 | 383.1 | CS/ZnO 0 min | 1.15 | 0.9325 | 0.8869 | 355.3 | CS/ZnO 15 min | 1.18 | 0.9293 | 0.8823 | 356 | Nia/ZnO 0 min | 8.83 | 0.1653 | 0.1184 | 380.3 | Nia/ZnO 15 min | 9.96 | 0.1658 | 0.1187 | 380.2 |
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