Table 2. Statistical analytical parameter for the determination ofZnO-NPs.

S.N.	Parameters	ZnO-NPs-bacteria
1.	Color intensity time	1 day
2.	Temperature of solutions	25±1°C
3.	Wavelength(nm)	600
4.	Spectra range (nm)	200–700
5.	pH	0.686
6.	Beer's law limit (µg/mL)	0.5–2.0 µg/mL
7.	Molar absorptivity (L/mol/cm)	3.40×102
8.	Linear regression equation	A = –0.0027+0.3324C
9.	± tsa	6.11×10−3
10.	± tsb	4.20×10−3
11.	Correlation coefficient (r)	0.9942
12.	Variance(So2) of calibration line	3.38×10−4
13.	Detection limit (µg/mL)	0.182
14.	Quantitation limit (µg/mL)	0.553

Where ± t_Sa and ± t_Sb are confidence limits for intercepts and slope respectively.