Table 1.
Summary of zeta potential of different hydrogel microcapsules.
| Capsule Component(s) | pH 4.8 | pH 8.0 |
|---|---|---|
| Agarose | Agarose (neutral) | Agarose (neutral) |
| Zeta potential 1.89 ± 0.28 mV | Zeta potential 2.42 ± 0.13 mV | |
| Agarose–gelatin | Agarose (neutral) | Agarose (neutral) |
| Gelatin (+ve) | Gelatin (neutral) | |
| Zeta potential 22.9 ± 0.36 mV | Zeta potential −3.01 ± 0.26 mV | |
| Agarose–gelatin–fibrinogen | Agarose (neutral) | Agarose (neutral) |
| Gelatin (+ve) | Gelatin (neutral) | |
| Fibrinogen (neutral) | Fibrinogen (−ve) | |
| Zeta potential 24.6 ± 0.95 mV | Zeta potential −14.73 ± 1.41 mV |