Comparative Study of the Antimicrobial Effect of Nanocomposites and Composite Based on Poly(butylene adipate-co-terephthalate) Using Cu and Cu/Cu2O Nanoparticles and CuSO4

Table 5 Statistical analysis for each bacterial strain

Sample	Acinetobacter baumanni		Enterococcus faecalis		Streptococcus mutans		Staphylococcus aureus
Sample	Average	Standard deviation	Average	Standard deviation	Average	Standard deviation	Average	Standard deviation
PBAT	1.75 × 10⁶	2.17 × 10⁶	2.5 × 10⁴	2.35 × 10⁴	5.0 × 10³	7.1 × 10²	6.0 × 10³	1.8 × 10³
NCs-PBAT/Cu 3%	2.0 × 10⁶	2.68 × 10⁶	5.0 × 10²	1.0 × 10³	8.0 × 10²	1.8 × 10³	0	0
NCs-PBAT/Cu\|Cu₂O 3%	3.19 × 10⁶	3.26 × 10⁶	1.0 × 10⁴	2.0 × 10³	0	0	0	0
MCs-PBAT/CuSO₄ 3%	1.76 × 10⁵	3.49 × 10⁵	2.25 × 10³	2.63 × 10³	0	0	0	0