The present disclosure relates to a device for the transport of biological or other samples and for analysis thereof by interaction with a pulsed and focused energy beam, comprising: a transport capillary configured to house transport liquid, configured with an outlet section; a nozzle disposed concentrically and externally to the transport capillary, wherein said nozzle comprises a discharge section; and wherein the space between the transport capillary and the nozzle is configured to house a stabilizing gas; at least a first electrode for connecting a voltage to the transport liquid, in turn connected to a second electrode arranged at the outlet of the transport liquid capillary and the nozzle wherein said electrodes are subjected to an electrical potential difference. The disclosure also relates to a method comprising the use of said device.