Microoxygraph Device for Biosensoristic Applications

Table 1

Superficial roughness of FeCl₃-treated Ag and Au electrodes.

Superficial roughness average values	=	=
Silver layer
0.1 M FeCl3; 5 min	23.13 ± 6.08 SD	28.4 ± 6.94 SD
50 mM FeCl3; 50 sec	26.27 ± 1.06 SD	33.27 ± 1.59 SD
Untreated	2.01 ± 0.14 SD	2.52 ± 0.18 SD
Gold layer
50 mM FeCl3; 50 sec	0.92 ± 0.11 SD	1.18 ± 0.15 SD
Untreated	0.95 ± 0.005 SD	1.22 ± 0.01 SD

Average values, calculated by Nanoscope software v7.30 (Bruker). : arithmetic average of the absolute values of the surface height deviations measured from the mean plane; : root mean square average of height deviations taken from the mean image data plane.