Table 7.

Results of the bacterial filtration test and “smear-test” for samples produced from the wire electrode.

Sample	Number of Bacteria Passed through the Sample	BFE (%)	Number of Survived Bacteria after the “Smear-Test”
Inoculum	312	-	-
PU pristine	23	93	303
PU + 5% CuO µm	11	96	14
PU + 5% CuO nm	13	95.8	52
PU + 7% CuO µm	0	100	2
PU + 7% CuO nm	30	90	23
PU + 9.5% CuO µm	1	99.7	7
PU + 9.5% CuO nm	26	92	22
PU + 12% CuO µm	0	100	25
PU + 12% CuO nm	75	76	43