Table 1 ζ-potential analysis of differently sized PS-MPP. MPP were incubated in 1 mM KCl or pre-incubated overnight in growth media (DMEM or RPMI) or 10% (v/v) FCS in 1 × DPBS. The ζ-potential was measured in 1 mM KCl (pH 6). Data represent mean ± SD, n = 3.
From: Noxic effects of polystyrene microparticles on murine macrophages and epithelial cells
MPP size (µm) | ζ-potential (mV) | ||||
|---|---|---|---|---|---|
KCl | 10% FCS | RPMI 1640 | DMEMLonza | DMEMATCC | |
0.2 | − 47.4 ± 0.3 | − 26.7 ± 0.3 | − 26.3 ± 0.1 | − 26.9 ± 0.2 | − 26.0 ± 0.2 |
0.5 | − 52.8 ± 0.2 | − 25.2 ± 0.1 | − 26.2 ± 0.1 | − 25.2 ± 0.1 | − 24.6 ± 0.2 |
1.0 | − 66.1 ± 0.1 | − 27.9 ± 0.1 | − 29.2 ± 0.5 | − 26.4 ± 0.0 | − 25.0 ± 0.1 |
2.0 | − 76.7 ± 0.3 | − 29.9 ± 0.2 | − 30.7 ± 0.1 | − 29.3 ± 0.2 | − 27.7 ± 0.4 |
3.0 | − 79.0 ± 0.6 | − 31.1 ± 0.3 | − 29.6 ± 0.4 | − 30.3 ± 0.2 | − 28.6 ± 0.2 |
6.0 | − 85.4 ± 1.4 | − 10.1 ± 0.7 | − 11.7 ± 0.2 | − 12.7 ± 0.4 | − 11.3 ± 0.3 |
