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. 2018 Oct 31;13(10):e0206557. doi: 10.1371/journal.pone.0206557

Table 1. Determination of NP stability in MilliQ water by ζ-potential measurement.

Electrophoretic mobility (μm·cm·V-1·s-1) Zeta potential
(mV)
SPION 1.995 ± 0.2 25.5 ± 2.1
SiNP -2.225 ± 0.1 -28.4 ± 1.9
CNTCOOH -4.114 ± 0.2 -52.5 ± 2.9

Zeta potentials were measured by laser Doppler electrophoresis. Data are presented as the means ± SEM (n = 3).