Table 1.
Size peaks recorded (percentage of particles in this range) and zeta-potential of Au NP in Elendt M7 after 0 and 24 h measured by dynamic light scattering and transformation to volume-based distribution (mean ± standard deviation; n = 3)
| Test compound | Size peak 1 (nm) | Size peak 2 (nm) | Zeta-potential (nm) | |||
|---|---|---|---|---|---|---|
| t = 0 | t = 24 h | t = 0 | t = 24 h | t = 0 | t = 24 h | |
| MUDAa 10 nm Au NP | 20 ± 5 (71 %) | 229 ± 60 (100 %) | 142 ± 53 (29 %) | N/A | −14 ± 7 | −16 ± 5 |
| MUDAa 30 nm Au NP | 109 ± 42 (82 %) | 279 ± 53 (100 %) | 23 ± 5 (18 %) | N/A | −15 ± 9 | −13 ± 6 |
| Citrate 10 nm Au NP | 14 ± 4 (91 %) | 188 ± 48 (60 %) | 112 ± 47 (9 %) | 20 ± 4 (40 %) | −14 ± 8 | −14 ± 6 |
| Citrate 30 nm Au NP | 225 ± 61 (100 %) | 328 ± 61 (100 %) | N/A | N/A | −14 ± 9 | −16 ± 6 |
N/A No applicable data
aMercaptoundecanoic acid