| MAN37 | silica-coated magnetic particles |
| MAN127 | polyvinylpyrrolidone-coated magnetic particles |
| MAN158 | phosphate-coated magnetic particles |
| MAN164 | tripolyphosphate-coated magnetic particles |
| SEM | scanning electron microscopy |
| PVP | polyvinylpyrrolidone |
| MAN37 | silica-coated magnetic particles |
| MAN127 | polyvinylpyrrolidone-coated magnetic particles |
| MAN158 | phosphate-coated magnetic particles |
| MAN164 | tripolyphosphate-coated magnetic particles |
| SEM | scanning electron microscopy |
| PVP | polyvinylpyrrolidone |