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The surface potential and size, based on zeta potential and dynamic light scattering, respectively, of microparticles is presented.
| Zeta Potential (mV) | DLS (nm) | |
|---|---|---|
| Oxidized | −30.9 + 1.0 | |
| APTES | 4.9+0.8 | 692+48 |
| APTES-MPL (pSi-MPL) | −19.1+1.3 | 675+47 |
| APTES-LPS (pSi-LPS) | −9.1+0.5 | 697+45 |
