[DIYbio] Is it legal to reproduce an electrospray device?

Guys,

Here (Chris mentioned it some time ago) http://www.nature.com/srep/2012/120228/srep00289/full/srep00289.html#/t1  is a device that can reach transformation efficiencies around 67 % using just water, NaCl, electricity.

If I built a deivce like the one described, would that be stealing of IP ?


If not so, there's a problem:
The cells have to be attached to the petri dish. In the paper this is done with Polyethyleneimine.
When they can float around, the energy is not going to reach the cells in the right way and it won't work.
Polyethyleneimine is very toxic.

Is there a DIY-approach to bind the cells to the dish without toxic or hard-to-get substances??


Regards,

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