Effect of Silver Nanoparticles on Biofilm Formation and EPS Production of Multidrug-Resistant Klebsiella pneumoniae

Table 3

Qualitative estimation of biofilm formation by tube method.

Intensity of color of biofilm	Positive control	Concentrations of Ag NPs (μg/ml)				Negative control
		25	50	75	100
MF953599	++++	+++	+	+	−	−
MF953600	++++	+++	+	−	−	−