Table 2 |
|||
|
Values of diffusion coefficients and surface tension parameters from analytical simulation on each position-time curve of all the microfluidic flow |
|||
|
Surface modification |
Surface structure |
Diffusion coefficient, D (ρm2 s-1) |
γsa - γsl N/m |
|
|
|||
|
Air DBD processed |
Flat surface |
66153420 |
0.004330 |
|
100 μm pillar |
38677500 |
0.002531 |
|
|
200 μm pillar |
23777420 |
0.001556 |
|
|
300 μm pillar |
12537020 |
0.000820 |
|
|
Nitrogen plasma treated |
Flat surface |
45091690 |
0.002951 |
|
100 μm pillar |
20411460 |
0.001336 |
|
|
200 μm pillar |
12500060 |
0.000818 |
|
|
300 μm pillar |
11718310 |
0.000767 |
|
|
Control PMMA |
Flat surface |
6337320 |
0.000414 |
|
100 μm pillar |
3219800 |
0.000210 |
|
|
200 μm pillar |
2142380 |
0.000140 |
|
|
300 μm pillar |
1477070 |
0.000096 |
|
|
Undoped DLC coated |
Flat surface |
10878150 |
0.000712 |
|
100 μm pillar |
3993380 |
0.000261 |
|
|
200 μm pillar |
2983690 |
0.000195 |
|
|
300 μm pillar |
1782760 |
0.000116 |
|
|
Si-doped DLC coated |
Flat surface |
4044020 |
0.002646 |
|
100 μm pillar |
2058300 |
0.000134 |
|
|
200 μm pillar |
1449660 |
0.000094 |
|
|
300 μm pillar |
1175890 |
0.000076 |
|
|
|
|||
|
Mukhopadhyay et al. Nanoscale Research Letters 2011 6:411 doi:10.1186/1556-276X-6-411 |
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