Table 1: Counterion-mediated attractive interaction between highly charged surfaces surface potential 0 greater than 70 mV and colloidal particles.
Inkjet black inksa |
MS2 bacteriophageb |
||||
Ionic strength |
Complex field extension, r0, mm |
Particle velocity, V = r0/Dt, mm/s |
Diffusion coefficient, D, cm2/s |
Complex field extension, r0, mm |
Particle velocity, V = r0/Dt, mm/s |
1000 mM |
2.12 ± 1.0 |
1.18 ± 0.56 |
1.2·10-8 |
|
|
100 mM |
3.0 ± 2.7 |
1.66 ± 1.50 |
2.5·10-8 |
|
|
10 mM |
1.15 ± 0.35 |
0.64 ± 0.19 |
3.7·10-9 |
|
|
1 mM |
0.83 ± 0.25 |
0.46 ± 0.14 |
1.9·10-9 |
88 ± 20 |
0.18 ± 0.04 |
0.1 mM |
0.23 ± 0.03 |
0.13 ± 0.02 |
1.5·10-10 |
156 ± 26 |
0.33 ± 0.06 |
0.01 mM |
0.18 ± 0.03 |
0.10 ± 0.02 |
9.0·10-11 |
|
|
Notes: a) Ink particle with mean particle size of 127 nm [39]; b) MS2 particle size of 27 nm