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. 2018 Feb 8;8(2):95. doi: 10.3390/nano8020095

Table 1.

Zeta potential (ZP) and hydrodynamic diameter (DH) ± standard deviation of the test NPs from single to ternary mixture systems.

Test NPs 0 h 96 h
ZP DH ZP DH
mV nm mV nm
TiO2 −20.9 ± 1.2 1111 ± 410 −15.3 ± 0.9 1278 ± 924
SiO2 −22.3 ± 1.6 525 ± 373 −17.9 ± 1.1 147 ± 38
ZrO2 −19.0 ± 0.5 333 ± 12 −16.3 ± 0.2 336 ± 41
TiO2 + SiO2 −16.7 ± 0.5 1095 ± 213 −13.8 ± 1.1 511 ± 319
TiO2 + ZrO2 −18.8 ± 1.0 596 ± 87 −16.3 ± 1.0 352 ± 22
SiO2 + ZrO2 −20.0 ± 0.5 327 ± 46 −19.8 ± 0.6 285 ± 30
TiO2 + SiO2 + ZrO2 −18.1 ± 0.2 523 ± 39 −18.5 ± 0.5 333 ± 10