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. 2015 Sep 16;10:362. doi: 10.1186/s11671-015-1065-2

Table 1.

Characteristics of the colloidal suspensions used for the experiments

Manufacturer BS-Partikel (BS305) Duke Scientifics (DS300) Bangs Laboratories (BL280)
Nanosphere material Polystyrene Polystyrene Silica
Nanosphere diameter (nm) 305 ± 8 300 ± 5 280 ± 7
Solids content (wt.%) 2 0.1 2
Surface tension (mN/m) 46.8 ± 0.8 57.3 ± 0.9 70.2 ± 1.5
pH value 7.0 ± 0.2 7.0 ± 0.2 7.0 ± 0.2