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. 2019 Dec 28;17(1):232. doi: 10.3390/ijerph17010232

Table 1.

Results from DLS analysis (mean ± sd), potential zeta and electrophoretic mobility in water samples.

Quantum Dot Mean Size ± sd Potential Zeta Electrophoretic Mobility
Mean (cm2/V)
ZnS 10 289 ± 18 nm (PDI 1.027) −26.8 mV −0.000208
ZnS 100 511 ± 163 nm (PDI 0.938) −15.5 mV −0.000120
ZnS 1000 1062 ± 363 nm (PDI 0.804) −60.8 mV −0.000316
CdS10 566 ± 61 nm (PDI 1.268) −40.8 mV −0.000316
CdS100 416 ± 55 nm (PDI 1.784) −24.2 mV −0.000188
CdS 1000 4671 ± 825 nm (PDI 0.557) −76.7 mV −0.000397
ZnS + CdS 10 658 ± 310 nm (PDI 1.145) −24.5 mV −0.000191
ZnS + CdS 100 770 ± 108 nm (PDI 0.467) −22.8 mV −0.000770
ZnS + CdS 1000 596 ± 119 nm (PDI 0.013) −42.9 mV −0.000222

PDI: polydispersity index.