Fig. 3
From: Evaluation of microbial shifts caused by a silver nanomaterial: comparison of four test systems
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12302-019-0268-z/MediaObjects/12302_2019_268_Fig3_HTML.png)
Effect of the silver nanomaterial NM-300K on microbial exoenzyme activity. Statistical significance (α = 0.05) is indicated on the bars representing inhibition: *0.01 ≤ p < 0.05; **0.001 ≤ p < 0.01; ***p < 0.001