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