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. 2019 Aug 31;9(9):1238. doi: 10.3390/nano9091238

Table 1.

Composition ratio, pH, ζ-potential, osmotic pressure of the suspensions, PSA-MNPs weight loss, ligand surface concentration of samples after first purification step (separation by ultrafiltration (UF)).

Molar Ratio PSA-MNPs. pH ζ-Potential (mV) Osmotic Pressure (bar) m (%) (air) ns (molecules/nm2)
Sample A: 1:1 9.5 −42.9 9 37 0.95
Sample B: 1:2 8.3 −35.5 5.5 22 0.46
Sample C: 1:3 9.2 −41.8 0.2 15 0.29