Table 1 Physicochemical properties of reaction steps in HNP formation using photon correlation spectroscopy (PCS), zeta potential measurement and inductively coupled plasma-optical emission spectroscopy (ICP-OES)
From: Hybrid gold-iron oxide nanoparticles as a multifunctional platform for biomedical application
Particle | Hydrodynamic Radius nm ± SD | Polydispersity Index ± SD | Zeta Potential mV ± SD | Concentration determined by Inductively Coupled Plasma – Optical Emission Spectroscopy mgmL-1(Average value, n = 2) | |
|---|---|---|---|---|---|
| Â | Â | Â | Â | Fe | Au |
Fe3O4 | 1112 (97) | 0.763 (0.104) | -16.9 (0.379) | 14.5 | - |
Fe3O4-PEI | 237 (2) | 0.194 (0.030) | +55.6 (0.702) | 13.5 | - |
Fe3O4-PEI-Auseed | 309 (12) | 0.363 (0.016) | +35.0 (0.115) | 1.86 | 3.36 |
Fe3O4-PEI-Aucoat | 132 (37) | 0.792 (0.156) | -23.3 (1.950) | 2.74 | 3.53 |
Fe3O4-PEI-Au-PEG | 139 (71) | 0.332 (0.072) | -21.7 (0.551) | 2.20 | 3.06 |