On-demand delivery of single DNA molecules


Nanopipettes can be used to analyse and deliver DNA molecules one at the time with the flip of a switch. By using voltage pulses we could control the time of ejection of the first DNA molecule and the number of molecules delivered. Beside begin a very neat effect, demonstrated both experimentally and from simulations, we believe this technology could be used to deliver individual DNA plasmids inside single cells to study DNA transfection.

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