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  Indian J Med Microbiol
 

Figure 3: Visualization of nano-bubbles in warm tap water and hydrogen-water made via electrolysis. Note: Tap water before electrolysis has only few nano-bubbles (upper-left), whereas after 60 minutes electrolysis, hydrogen nano-bubbles emerge continuously and become detectable (other three pictures) due to the laser beam-induced halation under a microscope/video camera. Scale bar: 1 μm.

<b>Figure 3: Visualization of nano-bubbles in warm tap water and hydrogen-water made via electrolysis.</b>
Note: Tap water before electrolysis has only few nano-bubbles (upper-left), whereas after 60 minutes electrolysis, hydrogen nano-bubbles emerge continuously and become detectable (other three pictures) due to the laser beam-induced halation under a microscope/video camera. Scale bar: 1 μm.