Fig. 3
From: Controlling stem cell fate using cold atmospheric plasma
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13287-020-01886-2/MediaObjects/13287_2020_1886_Fig3_HTML.png)
Interfacial modification of an artificial stem cell niche using CAP. Image was taken when using a handheld plasma device based on piezoelectric direct discharge (PDD) technology. The gaseous plasma jet can be seen exiting the nozzle and spreading over the target surface