Table 1

Static contact angles of dyed water and ethylene glycol on different surfaces

Surface types

Static contact angles (°)

Dyed water

Ethylene glycol

Air DBD processed PMMA

44.35

25.25

Nitrogen plasma-treated PMMA

52.13

47.70

Undoped DLC-coated PMMA

72.66

20.26

Control PMMA

79.97

48.77

Si-doped DLC-coated PMMA

81.25

39.27

Mukhopadhyay et al. Nanoscale Research Letters 2011 6:411   doi:10.1186/1556-276X-6-411